/* ═══════════════════════════════════════════════════════════════
   Kanban Board — « Aurora Flow »
   Typo : Syne + Plus Jakarta Sans
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Syne:wght@600;700;800&display=swap');

:root {
    --font-display: 'Syne', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;

    --bg-deep: #030508;
    --bg: #070b12;
    --bg-surface: rgba(12, 18, 30, 0.65);
    --bg-elevated: rgba(18, 26, 42, 0.85);
    --bg-hover: rgba(30, 42, 64, 0.9);
    --bg-glass: rgba(10, 16, 28, 0.55);

    --border: rgba(255, 255, 255, 0.06);
    --border-strong: rgba(255, 255, 255, 0.1);
    --border-focus: rgba(0, 212, 255, 0.5);
    --border-glow: rgba(124, 58, 237, 0.35);

    --text: #f0f4fc;
    --text-muted: #8b95a8;
    --text-dim: #5c6578;

    --accent: #00d4ff;
    --accent-hover: #33e0ff;
    --accent-glow: rgba(0, 212, 255, 0.25);
    --accent-subtle: rgba(0, 212, 255, 0.08);

    --violet: #7c3aed;
    --violet-glow: rgba(124, 58, 237, 0.3);
    --pink: #ec4899;
    --pink-glow: rgba(236, 72, 153, 0.2);

    --success: #34d399;
    --success-bg: rgba(52, 211, 153, 0.12);
    --danger: #f43f5e;
    --danger-bg: rgba(244, 63, 94, 0.12);

    --radius-sm: 8px;
    --radius: 14px;
    --radius-lg: 20px;
    --radius-full: 999px;

    --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 24px 80px rgba(0, 0, 0, 0.55);
    --shadow-glow: 0 0 40px var(--accent-glow);

    --header-h: 64px;
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --duration: 0.28s;

    --label-blue: #38bdf8;
    --label-green: #34d399;
    --label-yellow: #fbbf24;
    --label-orange: #fb923c;
    --label-red: #f43f5e;
    --label-purple: #a78bfa;
    --label-pink: #f472b6;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    background: var(--bg-deep);
    color: var(--text);
    line-height: 1.55;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* ——— Fond animé Aurora ——— */
.ambient {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    will-change: transform;
}

.orb-1 {
    width: 55vw;
    height: 55vw;
    max-width: 600px;
    max-height: 600px;
    top: -20%;
    right: -10%;
    background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
    animation: orbDrift1 18s ease-in-out infinite;
}

.orb-2 {
    width: 45vw;
    height: 45vw;
    max-width: 500px;
    max-height: 500px;
    bottom: -15%;
    left: -10%;
    background: radial-gradient(circle, var(--violet) 0%, transparent 70%);
    animation: orbDrift2 22s ease-in-out infinite;
}

.orb-3 {
    width: 30vw;
    height: 30vw;
    max-width: 350px;
    max-height: 350px;
    top: 40%;
    left: 35%;
    background: radial-gradient(circle, var(--pink) 0%, transparent 70%);
    opacity: 0.25;
    animation: orbDrift3 15s ease-in-out infinite;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 20%, transparent 70%);
}

@keyframes orbDrift1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-8%, 6%) scale(1.08); }
    66% { transform: translate(4%, -4%) scale(0.95); }
}

@keyframes orbDrift2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(10%, -8%) scale(1.1); }
}

@keyframes orbDrift3 {
    0%, 100% { transform: translate(0, 0); opacity: 0.25; }
    50% { transform: translate(-5%, 8%); opacity: 0.35; }
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    opacity: 0.04;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

body > *:not(.ambient) { position: relative; z-index: 1; }

h1, h2, h3, .logo-text {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -0.03em;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color var(--duration) var(--ease), text-shadow var(--duration);
}
a:hover { color: var(--accent-hover); text-shadow: 0 0 20px var(--accent-glow); }

/* ——— Révélation scroll ——— */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
    transition-delay: var(--reveal-delay, 0s);
}
.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Header */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-h);
    padding: 0 1.75rem;
    background: var(--bg-glass);
    backdrop-filter: blur(20px) saturate(1.4);
    -webkit-backdrop-filter: blur(20px) saturate(1.4);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 200;
    transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s;
}

.app-header.header-scrolled {
    background: rgba(7, 11, 18, 0.92);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
    border-color: var(--border-strong);
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text);
}
.logo:hover { text-decoration: none; color: var(--text); text-shadow: none; }

.logo-mark {
    width: 36px;
    height: 36px;
    border-radius: 11px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--violet) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px var(--accent-glow), 0 0 0 1px rgba(255, 255, 255, 0.1) inset;
    flex-shrink: 0;
    animation: logoFloat 4s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
}

.logo-mark svg { width: 18px; height: 18px; color: var(--bg-deep); }
.logo-text {
    font-size: 1.2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.app-nav {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.app-nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.5rem 0.9rem;
    border-radius: var(--radius-sm);
    transition: background var(--duration), color var(--duration), transform var(--duration) var(--ease-spring);
    text-shadow: none;
}
.app-nav a:hover {
    color: var(--text);
    background: var(--bg-hover);
    transform: translateY(-1px);
    text-shadow: none;
}
.app-nav a.nav-active {
    color: var(--accent);
    background: var(--accent-subtle);
    box-shadow: 0 0 0 1px rgba(0, 212, 255, 0.15);
}

.user-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.75rem 0.35rem 0.4rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    margin-left: 0.5rem;
    transition: border-color var(--duration), box-shadow var(--duration);
}
.user-pill:hover { border-color: var(--border-glow); box-shadow: 0 0 20px var(--violet-glow); }

.user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--violet));
    color: var(--bg-deep);
    font-size: 0.65rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    text-transform: uppercase;
}
.user-pill span { font-size: 0.8rem; font-weight: 500; color: var(--text-muted); }

.app-main {
    padding: 2rem 1.75rem 3.5rem;
    max-width: 1480px;
    margin: 0 auto;
    animation: pageIn 0.65s var(--ease) both;
}

@keyframes pageIn {
    from { opacity: 0; transform: translateY(20px); filter: blur(4px); }
    to { opacity: 1; transform: translateY(0); filter: blur(0); }
}

/* Buttons */
.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.875rem;
    border: none;
    cursor: pointer;
    overflow: hidden;
    transition: transform var(--duration) var(--ease-spring), box-shadow var(--duration), background var(--duration), border-color var(--duration);
    white-space: nowrap;
}
.btn:active { transform: scale(0.96); }

.btn-ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.35);
    transform: scale(0);
    animation: ripple 0.6s var(--ease) forwards;
    pointer-events: none;
}
@keyframes ripple {
    to { transform: scale(1); opacity: 0; }
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, #0099cc 50%, var(--violet) 100%);
    background-size: 200% 200%;
    color: var(--bg-deep);
    box-shadow: 0 4px 24px var(--accent-glow);
    animation: btnShimmer 6s ease infinite;
}
.btn-primary:hover {
    box-shadow: 0 6px 32px var(--accent-glow), 0 0 0 1px rgba(255, 255, 255, 0.15) inset;
    transform: translateY(-2px);
}
@keyframes btnShimmer {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.btn-ghost {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border-strong);
}
.btn-ghost:hover {
    background: var(--bg-hover);
    color: var(--text);
    border-color: rgba(0, 212, 255, 0.25);
    transform: translateY(-1px);
}
.btn-danger { background: linear-gradient(135deg, var(--danger), #e11d48); color: #fff; }
.btn-danger:hover { box-shadow: 0 4px 20px rgba(244, 63, 94, 0.35); }
.btn-sm { padding: 0.4rem 0.8rem; font-size: 0.8rem; }
.btn-block { width: 100%; }

/* Forms */
.form-group { margin-bottom: 1.15rem; }
.form-group label {
    display: block;
    margin-bottom: 0.45rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-dim);
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.7rem 0.95rem;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    background: rgba(7, 11, 18, 0.8);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    transition: border-color var(--duration), box-shadow var(--duration), transform var(--duration);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--accent-subtle), 0 0 24px var(--accent-glow);
    transform: translateY(-1px);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-dim); }
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}
.form-group-labels { grid-column: 1 / -1; width: 100%; }

.label-picker { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.label-swatch {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform 0.25s var(--ease-spring), border-color var(--duration), box-shadow var(--duration);
    padding: 0;
}
.label-swatch:hover { transform: scale(1.18); }
.label-swatch.active {
    border-color: #fff;
    box-shadow: 0 0 0 2px var(--bg-elevated), 0 0 16px currentColor;
    transform: scale(1.12);
}
.label-swatch-none {
    background: var(--bg-hover) !important;
    color: var(--text-dim);
    font-size: 1rem;
    line-height: 1;
    border: 1px dashed var(--border-strong);
}

/* Alerts */
.alert {
    padding: 0.9rem 1.15rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.25rem;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid transparent;
    animation: alertIn 0.5s var(--ease-spring) both;
    backdrop-filter: blur(12px);
}
.alert-dismiss {
    opacity: 0 !important;
    transform: translateY(-10px) scale(0.98) !important;
    transition: opacity 0.4s, transform 0.4s !important;
}
@keyframes alertIn {
    from { opacity: 0; transform: translateY(-12px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
.alert-success { background: var(--success-bg); color: var(--success); border-color: rgba(52, 211, 153, 0.3); }
.alert-error { background: var(--danger-bg); color: var(--danger); border-color: rgba(244, 63, 94, 0.3); }
.muted { color: var(--text-muted); font-size: 0.875rem; }

/* Auth */
.auth-page {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 100vh;
    position: relative;
}
.auth-page .ambient { z-index: 0; }
.auth-page > *:not(.ambient) { z-index: 1; }

@media (max-width: 768px) {
    .auth-page { grid-template-columns: 1fr; }
    .auth-hero { display: none; }
}

.auth-hero {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 3rem;
    overflow: hidden;
}
.auth-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(165deg, transparent 30%, var(--bg-deep) 100%);
}
.auth-hero-content { position: relative; z-index: 1; animation: pageIn 0.8s var(--ease) 0.15s both; }
.auth-hero h2 {
    font-size: clamp(2.25rem, 5vw, 3.25rem);
    margin: 0 0 1rem;
    line-height: 1.05;
    max-width: 12ch;
    background: linear-gradient(135deg, var(--text) 20%, var(--accent) 60%, var(--violet) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.auth-hero p { color: var(--text-muted); max-width: 34ch; margin: 0; font-size: 1.05rem; line-height: 1.6; }
.auth-panel { display: flex; align-items: center; justify-content: center; padding: 2rem; }
.auth-card {
    width: 100%;
    max-width: 420px;
    padding: 2rem;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(24px);
    box-shadow: var(--shadow-lg);
    animation: authCardIn 0.7s var(--ease-spring) 0.1s both;
}
@keyframes authCardIn {
    from { opacity: 0; transform: translateY(30px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
.auth-card .logo { margin-bottom: 2rem; }
.auth-card h1 { margin: 0 0 0.35rem; font-size: 1.85rem; }
.auth-sub { color: var(--text-muted); margin: 0 0 1.75rem; font-size: 0.9rem; }

/* Dashboard */
.dashboard-hero {
    margin-bottom: 2.75rem;
    padding-bottom: 1.75rem;
    border-bottom: 1px solid var(--border);
}
.dashboard-hero h1 {
    margin: 0 0 0.5rem;
    font-size: clamp(2rem, 4vw, 2.75rem);
    background: linear-gradient(135deg, var(--text) 0%, var(--accent) 80%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.dashboard-hero p { margin: 0; color: var(--text-muted); font-size: 1rem; }

.dashboard-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.75rem;
}
.dashboard-head h2 {
    margin: 0;
    font-size: 0.72rem;
    font-weight: 700;
    font-family: var(--font-body);
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.board-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
    gap: 1.35rem;
}

.board-card {
    --card-accent: var(--accent);
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 160px;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    color: var(--text);
    text-decoration: none;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    backdrop-filter: blur(16px);
    overflow: hidden;
    transition: transform 0.4s var(--ease-spring), box-shadow 0.4s, border-color 0.4s;
}
.board-card:nth-child(3n+1) { --card-accent: var(--accent); }
.board-card:nth-child(3n+2) { --card-accent: var(--violet); }
.board-card:nth-child(3n+3) { --card-accent: var(--pink); }

.board-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, color-mix(in srgb, var(--card-accent) 50%, transparent), transparent 60%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s;
}
.board-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, color-mix(in srgb, var(--card-accent) 15%, transparent), transparent 60%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s, transform 0.6s var(--ease);
}
.board-card:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow: var(--shadow), 0 0 40px color-mix(in srgb, var(--card-accent) 20%, transparent);
    border-color: color-mix(in srgb, var(--card-accent) 40%, var(--border));
    text-decoration: none;
    color: var(--text);
    text-shadow: none;
}
.board-card:hover::before { opacity: 1; }
.board-card:hover::after { opacity: 1; transform: translate(-10%, 10%); }

.board-card h3 {
    margin: 0 0 0.5rem;
    font-size: 1.2rem;
    position: relative;
    transition: color 0.3s;
}
.board-card:hover h3 { color: var(--card-accent); }
.board-card p { margin: 0; font-size: 0.875rem; color: var(--text-muted); line-height: 1.5; flex: 1; position: relative; }
.board-card footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1.35rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    font-size: 0.78rem;
    color: var(--text-dim);
    position: relative;
}
.board-card .card-stat {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.25rem 0.6rem;
    background: var(--accent-subtle);
    border-radius: var(--radius-full);
    color: var(--accent);
    font-weight: 600;
    font-size: 0.72rem;
}

.empty-state {
    text-align: center;
    padding: 4.5rem 2rem;
    background: var(--bg-surface);
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(16px);
}
.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1.25rem;
    opacity: 0.5;
    animation: emptyPulse 3s ease-in-out infinite;
}
@keyframes emptyPulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.08); opacity: 0.7; }
}
.empty-state h3 { margin: 0 0 0.5rem; font-size: 1.35rem; }
.empty-state p { margin: 0 0 1.75rem; color: var(--text-muted); }

/* Kanban */
.board-page {
    display: grid;
    grid-template-columns: 1fr minmax(270px, 310px);
    gap: 1.5rem;
    align-items: start;
}
@media (max-width: 960px) { .board-page { grid-template-columns: 1fr; } }

.board-toolbar {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    padding: 1.1rem 1.35rem;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(20px);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0.45rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: background var(--duration), color var(--duration), transform var(--duration) var(--ease-spring);
    text-decoration: none;
    text-shadow: none;
}
.back-link:hover {
    background: var(--bg-hover);
    color: var(--accent);
    transform: translateX(-3px);
    text-shadow: none;
}
.back-link svg { transition: transform var(--duration) var(--ease-spring); }
.back-link:hover svg { transform: translateX(-3px); }

.board-toolbar h1 {
    margin: 0;
    flex: 1;
    font-size: 1.5rem;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    background: linear-gradient(90deg, var(--text), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.kanban-board {
    display: flex;
    gap: 1.15rem;
    overflow-x: auto;
    padding: 0.35rem 0.35rem 1.5rem;
    min-height: calc(100vh - 230px);
    scroll-snap-type: x proximity;
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 212, 255, 0.3) transparent;
}
.kanban-board::-webkit-scrollbar { height: 5px; }
.kanban-board::-webkit-scrollbar-thumb {
    background: linear-gradient(90deg, var(--accent), var(--violet));
    border-radius: 3px;
}

.kanban-column {
    flex: 0 0 310px;
    scroll-snap-align: start;
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 210px);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(20px);
    overflow: hidden;
    transition: box-shadow 0.4s var(--ease), transform 0.4s var(--ease-spring), border-color 0.4s;
}
.kanban-column:nth-child(3n+1) { --col-accent: var(--accent); }
.kanban-column:nth-child(3n+2) { --col-accent: var(--violet); }
.kanban-column:nth-child(3n+3) { --col-accent: var(--pink); }

.kanban-column.column-enter {
    animation: columnIn 0.65s var(--ease-spring) both;
    animation-delay: var(--col-delay, 0s);
}
@keyframes columnIn {
    from { opacity: 0; transform: translateY(28px) scale(0.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.kanban-column:hover { box-shadow: var(--shadow-sm); }
.kanban-column.column-drag-target {
    border-color: color-mix(in srgb, var(--col-accent) 50%, var(--border));
    box-shadow: 0 0 40px color-mix(in srgb, var(--col-accent) 25%, transparent), var(--shadow-sm);
    transform: scale(1.01);
}

.column-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.1rem;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.03) 0%, transparent 100%);
    position: relative;
}
.column-header::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--col-accent, var(--accent)), transparent);
}
.column-header h2 {
    margin: 0;
    font-size: 0.72rem;
    font-weight: 700;
    font-family: var(--font-body);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.task-count {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--col-accent, var(--accent));
    background: color-mix(in srgb, var(--col-accent, var(--accent)) 12%, transparent);
    padding: 0.25rem 0.55rem;
    border-radius: var(--radius-full);
    border: 1px solid color-mix(in srgb, var(--col-accent, var(--accent)) 25%, transparent);
    transition: transform 0.3s var(--ease-spring);
}
.kanban-column:hover .task-count { transform: scale(1.05); }

.column-tasks {
    flex: 1;
    overflow-y: auto;
    min-height: 80px;
    padding: 0.75rem;
    transition: background 0.3s;
}
.column-tasks.drag-over {
    background: var(--accent-subtle);
    outline: 2px dashed var(--accent);
    outline-offset: -6px;
    border-radius: var(--radius-sm);
    animation: dropZonePulse 1.2s ease-in-out infinite;
}
@keyframes dropZonePulse {
    0%, 100% { outline-color: var(--accent); }
    50% { outline-color: var(--violet); }
}

.task-placeholder {
    margin-bottom: 0.55rem;
    border-radius: var(--radius-sm);
    border: 2px dashed var(--accent);
    background: var(--accent-subtle);
    opacity: 0.6;
    animation: placeholderPulse 1s ease-in-out infinite;
}
@keyframes placeholderPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.85; }
}

.task-card {
    position: relative;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.85rem 0.95rem 0.75rem;
    margin-bottom: 0.55rem;
    cursor: grab;
    overflow: hidden;
    transition: transform 0.3s var(--ease-spring), box-shadow 0.3s, border-color 0.3s;
}
.task-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.04) 0%, transparent 50%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
}
.task-card:hover {
    transform: translateY(-4px) scale(1.01);
    box-shadow: var(--shadow-sm), 0 0 24px rgba(0, 212, 255, 0.08);
    border-color: var(--border-strong);
}
.task-card:hover::after { opacity: 1; }
.task-card:active { cursor: grabbing; }
.task-card.dragging {
    opacity: 0.35;
    transform: rotate(3deg) scale(1.04);
    box-shadow: var(--shadow-lg);
}
.task-card.task-dropped {
    animation: taskDrop 0.45s var(--ease-spring);
}
@keyframes taskDrop {
    0% { transform: scale(1.06); box-shadow: 0 0 30px var(--accent-glow); }
    60% { transform: scale(0.98); }
    100% { transform: scale(1); }
}

.label-strip {
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
}
.label-strip.label-blue, .task-card.label-blue .label-strip { background: var(--label-blue); box-shadow: 0 0 8px var(--label-blue); }
.label-strip.label-green, .task-card.label-green .label-strip { background: var(--label-green); }
.label-strip.label-yellow, .task-card.label-yellow .label-strip { background: var(--label-yellow); }
.label-strip.label-orange, .task-card.label-orange .label-strip { background: var(--label-orange); }
.label-strip.label-red, .task-card.label-red .label-strip { background: var(--label-red); }
.label-strip.label-purple, .task-card.label-purple .label-strip { background: var(--label-purple); }
.label-strip.label-pink, .task-card.label-pink .label-strip { background: var(--label-pink); }

.task-title { margin: 0.2rem 0 0.5rem; font-size: 0.92rem; font-weight: 600; line-height: 1.35; }
.task-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    font-size: 0.72rem;
}
.due-date {
    display: inline-flex;
    align-items: center;
    color: var(--text-dim);
    padding: 0.2rem 0.45rem;
    background: rgba(0, 0, 0, 0.25);
    border-radius: 5px;
    font-size: 0.68rem;
    font-weight: 600;
}
.due-date.overdue {
    color: var(--danger);
    background: var(--danger-bg);
    animation: overdueBlink 2s ease-in-out infinite;
}
@keyframes overdueBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}
.assignee {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--violet));
    color: var(--bg-deep);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.62rem;
    font-weight: 700;
    text-transform: uppercase;
    flex-shrink: 0;
    border: 2px solid var(--bg-elevated);
    transition: transform 0.3s var(--ease-spring), box-shadow 0.3s;
}
.task-card:hover .assignee {
    transform: scale(1.1);
    box-shadow: 0 0 12px var(--accent-glow);
}

.btn-add-task {
    position: relative;
    width: calc(100% - 1.5rem);
    margin: 0 0.75rem 0.75rem;
    padding: 0.65rem;
    background: transparent;
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius-sm);
    color: var(--text-dim);
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 0.82rem;
    font-weight: 600;
    text-align: center;
    overflow: hidden;
    transition: border-color var(--duration), color var(--duration), background var(--duration), transform var(--duration) var(--ease-spring);
}
.btn-add-task:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-subtle);
    transform: translateY(-2px);
}

/* Sidebar */
.board-sidebar {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    backdrop-filter: blur(20px);
    position: sticky;
    top: calc(var(--header-h) + 1rem);
    max-height: calc(100vh - var(--header-h) - 2rem);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}
.sidebar-section h3 {
    margin: 0 0 0.85rem;
    font-size: 0.7rem;
    font-weight: 700;
    font-family: var(--font-body);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: 0.55rem;
}
.activity-section h3::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 12px var(--accent), 0 0 24px var(--accent-glow);
    animation: livePulse 2s ease-in-out infinite;
}
.members-section h3::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--violet);
    box-shadow: 0 0 10px var(--violet-glow);
}
.members-list {
    list-style: none;
    padding: 0;
    margin: 0 0 0.75rem;
}
.members-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.45rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.85rem;
}
.members-list li:last-child { border-bottom: none; }
.member-name { font-weight: 500; }
.member-badge {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--accent);
    background: var(--accent-subtle);
    padding: 0.15rem 0.45rem;
    border-radius: var(--radius-full);
}
.btn-remove-member {
    width: 24px;
    height: 24px;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: 50%;
    background: transparent;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
    transition: background var(--duration), color var(--duration), border-color var(--duration);
}
.btn-remove-member:hover {
    background: var(--danger-bg);
    border-color: var(--danger);
    color: var(--danger);
}
.add-member-form {
    display: flex;
    gap: 0.45rem;
    align-items: center;
}
.add-member-form select {
    flex: 1;
    min-width: 0;
    padding: 0.45rem 0.6rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-strong);
    background: rgba(7, 11, 18, 0.8);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 0.8rem;
}
.members-hint { margin: 0.35rem 0 0; font-size: 0.75rem; }
.members-hint a { color: var(--accent); text-decoration: none; }
.members-hint a:hover { text-decoration: underline; }
.members-feedback {
    margin: 0.45rem 0 0;
    font-size: 0.78rem;
    line-height: 1.35;
}
.members-feedback.is-success { color: var(--success); }
.members-feedback.is-error { color: var(--danger); }
.activity-section {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
}
@keyframes livePulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.2); opacity: 0.6; }
}

.activity-feed { list-style: none; padding: 0; margin: 0; overflow-y: auto; flex: 1; }
.activity-feed li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.8rem;
    line-height: 1.45;
    animation: activityIn 0.5s var(--ease) both;
}
.activity-feed li:nth-child(1) { animation-delay: 0.05s; }
.activity-feed li:nth-child(2) { animation-delay: 0.1s; }
.activity-feed li:nth-child(3) { animation-delay: 0.15s; }
.activity-feed li:nth-child(4) { animation-delay: 0.2s; }
.activity-feed li:nth-child(5) { animation-delay: 0.25s; }
@keyframes activityIn {
    from { opacity: 0; transform: translateX(-12px); }
    to { opacity: 1; transform: translateX(0); }
}
.activity-feed li:last-child { border-bottom: none; }
.activity-feed strong { color: var(--accent); font-weight: 600; }
.activity-feed em {
    display: block;
    font-style: normal;
    color: var(--text-muted);
    font-size: 0.78rem;
    margin-top: 0.2rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.activity-feed time {
    display: block;
    font-size: 0.68rem;
    color: var(--text-dim);
    margin-top: 0.3rem;
}

/* Modals */
.modal {
    position: fixed;
    inset: 0;
    z-index: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}
.modal.hidden { display: none; pointer-events: none; }

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(3, 5, 8, 0.8);
    backdrop-filter: blur(12px);
    opacity: 0;
}
.modal.modal-open .modal-backdrop {
    animation: fadeIn 0.3s var(--ease) forwards;
}
.modal.modal-closing .modal-backdrop {
    animation: fadeOut 0.25s var(--ease) forwards;
}

.modal-content {
    position: relative;
    background: var(--bg-elevated);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-lg);
    padding: 1.6rem;
    width: 100%;
    max-width: 440px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg), 0 0 60px var(--violet-glow);
    opacity: 0;
    transform: scale(0.92) translateY(20px);
}
.modal.modal-open .modal-content {
    animation: modalIn 0.4s var(--ease-spring) forwards;
}
.modal.modal-closing .modal-content {
    animation: modalOut 0.28s var(--ease) forwards;
}

@keyframes fadeIn { to { opacity: 1; } }
@keyframes fadeOut { to { opacity: 0; } }
@keyframes modalIn {
    to { opacity: 1; transform: scale(1) translateY(0); }
}
@keyframes modalOut {
    to { opacity: 0; transform: scale(0.95) translateY(12px); }
}

.modal-lg { max-width: 600px; }
.modal-compact { max-width: 400px; }
.modal-compact h2 {
    margin-bottom: 0.35rem;
    padding-bottom: 0;
    border-bottom: none;
}
.modal-sub {
    margin: 0 0 1.35rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}
.modal-sub strong {
    color: var(--accent);
    font-weight: 600;
}
.modal-content h2 {
    margin: 0 0 1.25rem;
    font-size: 1.4rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid var(--border);
}
.modal-actions {
    display: flex;
    gap: 0.55rem;
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    align-items: center;
}
.modal-actions .spacer { flex: 1; }

.comments-section {
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border);
}
.comments-section h3 {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-dim);
    margin: 0 0 0.9rem;
    font-family: var(--font-body);
}
#task-comments {
    list-style: none;
    padding: 0;
    margin: 0 0 0.9rem;
    max-height: 200px;
    overflow-y: auto;
}
#task-comments li {
    padding: 0.7rem 0.85rem;
    margin-bottom: 0.45rem;
    background: rgba(7, 11, 18, 0.6);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    font-size: 0.875rem;
}
#task-comments li.comment-enter {
    animation: commentIn 0.4s var(--ease-spring) both;
}
@keyframes commentIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}
#task-comments .comment-author { font-weight: 600; color: var(--accent); margin-right: 0.35rem; }
.comment-form textarea {
    width: 100%;
    margin-bottom: 0.55rem;
    padding: 0.7rem 0.9rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-strong);
    background: rgba(7, 11, 18, 0.8);
    color: var(--text);
    font-family: var(--font-body);
    resize: vertical;
    min-height: 76px;
    transition: border-color var(--duration), box-shadow var(--duration);
}
.comment-form textarea:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--accent-subtle);
}
.comment-form-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.5rem;
}
.comment-image-preview {
    position: relative;
    display: inline-block;
    margin-bottom: 0.55rem;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--border);
}
.comment-image-preview.hidden { display: none; }
.comment-image-preview img {
    display: block;
    max-width: 160px;
    max-height: 120px;
    object-fit: cover;
}
.comment-image-preview .attachment-remove { top: 4px; right: 4px; }
.comment-body { margin-top: 0.25rem; }
.comment-text { margin: 0 0 0.45rem; line-height: 1.45; }
.comment-meta { display: block; margin-top: 0.35rem; font-size: 0.72rem; }

/* Pièces jointes images */
.attachments-section {
    margin: 1.25rem 0;
    padding-top: 1.15rem;
    border-top: 1px solid var(--border);
}
.attachments-section h3 {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-dim);
    margin: 0 0 0.85rem;
    font-family: var(--font-body);
}
.attachment-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-bottom: 0.85rem;
}
.attachment-grid:empty { margin-bottom: 0; }
.attachment-thumb {
    position: relative;
    width: 88px;
    height: 88px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--bg);
    transition: transform var(--duration) var(--ease-spring), box-shadow var(--duration);
}
.attachment-thumb:hover {
    transform: scale(1.04);
    box-shadow: var(--shadow-sm);
}
.attachment-thumb a {
    display: block;
    width: 100%;
    height: 100%;
    text-shadow: none;
}
.attachment-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.attachment-remove {
    position: absolute;
    top: 3px;
    right: 3px;
    width: 22px;
    height: 22px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: rgba(3, 5, 8, 0.75);
    color: #fff;
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--duration), transform var(--duration);
    z-index: 2;
}
.attachment-remove:hover {
    background: var(--danger);
    transform: scale(1.08);
}
.comment-attachments {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-top: 0.35rem;
}
.comment-attachments .attachment-thumb {
    width: 120px;
    height: 90px;
}
.upload-dropzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    padding: 1.25rem 1rem;
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius-sm);
    background: rgba(7, 11, 18, 0.45);
    cursor: pointer;
    text-align: center;
    transition: border-color var(--duration), background var(--duration), transform var(--duration);
}
.upload-dropzone:hover,
.upload-dropzone.drag-active {
    border-color: var(--accent);
    background: var(--accent-subtle);
    transform: translateY(-1px);
}
.upload-dropzone-icon { color: var(--accent); opacity: 0.85; }
.upload-dropzone-text { font-size: 0.875rem; font-weight: 600; color: var(--text-muted); }
.upload-dropzone-hint { font-size: 0.72rem; color: var(--text-dim); }

.task-cover {
    display: block;
    width: 100%;
    height: 72px;
    object-fit: cover;
    border-radius: 6px;
    margin: 0.35rem 0 0.5rem;
    border: 1px solid var(--border);
}

/* Lightbox */
.lightbox .lightbox-content {
    position: relative;
    max-width: min(92vw, 960px);
    max-height: 90vh;
    opacity: 0;
    transform: scale(0.94);
}
.lightbox.modal-open .lightbox-content {
    animation: modalIn 0.35s var(--ease-spring) forwards;
}
.lightbox.modal-closing .lightbox-content {
    animation: modalOut 0.25s var(--ease) forwards;
}
.lightbox-content img {
    display: block;
    max-width: 100%;
    max-height: 88vh;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}
.lightbox-close {
    position: absolute;
    top: -2.5rem;
    right: 0;
    font-size: 1.5rem;
    line-height: 1;
    min-width: 36px;
    min-height: 36px;
    padding: 0;
}

/* Admin */
.page-header { margin-bottom: 2rem; }
.page-header h1 {
    margin: 0 0 0.35rem;
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    background: linear-gradient(135deg, var(--text), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.admin-grid {
    display: grid;
    grid-template-columns: minmax(300px, 360px) 1fr;
    gap: 1.5rem;
    align-items: start;
}
@media (max-width: 900px) { .admin-grid { grid-template-columns: 1fr; } }
.admin-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.4rem;
    backdrop-filter: blur(16px);
}
.admin-card h2 {
    margin: 0 0 1.15rem;
    font-size: 0.72rem;
    font-weight: 700;
    font-family: var(--font-body);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-dim);
}
.data-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.data-table th {
    text-align: left;
    padding: 0.65rem 0.8rem;
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-dim);
    border-bottom: 1px solid var(--border-strong);
}
.data-table td { padding: 0.8rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
.data-table tbody tr { transition: background var(--duration), transform var(--duration); }
.data-table tbody tr:hover { background: var(--bg-hover); }
.badge {
    font-size: 0.65rem;
    font-weight: 700;
    padding: 0.22rem 0.6rem;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.badge-admin { background: var(--violet-glow); color: #c4b5fd; border: 1px solid rgba(124, 58, 237, 0.35); }
.badge-user { background: var(--accent-subtle); color: var(--accent); border: 1px solid rgba(0, 212, 255, 0.25); }
.status-dot { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.8rem; }
.status-dot::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--text-dim); }
.status-dot.active::before {
    background: var(--success);
    box-shadow: 0 0 10px var(--success);
    animation: livePulse 2s ease-in-out infinite;
}
.inline-form { display: inline; }
.admin-row-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    align-items: center;
}
.table-wrap { overflow-x: auto; }
.admin-list .data-table { min-width: 640px; }
.sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0, 0, 0, 0); border: 0;
}

/* Install */
.install-body { margin: 0; min-height: 100vh; font-family: var(--font-body); background: var(--bg-deep); color: var(--text); }
.install-wrap { max-width: 520px; margin: 0 auto; padding: 2rem 1rem; animation: pageIn 0.5s var(--ease) both; }
.install-header { text-align: center; margin-bottom: 2rem; }
.install-header h1 {
    margin: 0;
    font-family: var(--font-display);
    font-size: 1.9rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--text), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.install-header p { margin: 0.5rem 0 0; color: var(--text-muted); }
.install-steps { display: flex; justify-content: center; gap: 0.55rem; margin-bottom: 1.5rem; }
.install-steps .step {
    width: 2.35rem; height: 2.35rem; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg-elevated); border: 1px solid var(--border);
    font-size: 0.85rem; font-weight: 600;
    transition: all 0.4s var(--ease-spring);
}
.install-steps .step.active {
    background: linear-gradient(135deg, var(--accent), var(--violet));
    color: var(--bg-deep);
    border-color: transparent;
    box-shadow: 0 0 24px var(--accent-glow);
    transform: scale(1.1);
}
.install-steps .step.done { background: var(--success-bg); color: var(--success); border-color: rgba(52, 211, 153, 0.3); }
.install-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: var(--shadow);
    backdrop-filter: blur(16px);
}
.install-card h2 { margin: 0 0 1.25rem; font-family: var(--font-display); font-size: 1.2rem; }
.check-list { list-style: none; padding: 0; margin: 0 0 1.5rem; }
.check-list li { padding: 0.55rem 0; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
.check-list li.ok { color: var(--success); }
.check-list li.fail { color: var(--danger); }
.check-list small { opacity: 0.6; margin-left: 0.5rem; font-size: 0.75rem; }
.radio-card {
    display: block; padding: 0.9rem 1rem; margin-bottom: 0.5rem;
    border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
    cursor: pointer; transition: border-color var(--duration), background var(--duration), transform var(--duration);
}
.radio-card:hover { transform: translateX(4px); }
.radio-card:has(input:checked) {
    border-color: var(--accent);
    background: var(--accent-subtle);
    box-shadow: 0 0 20px var(--accent-glow);
}
.mysql-fields.hidden { display: none; }
.install-body .error-msg { color: var(--danger); }
.install-body .success-msg { color: var(--success); }
.install-body code {
    background: rgba(0, 0, 0, 0.3);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.85em;
}

/* Accessibilité — réduire les animations */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .reveal { opacity: 1; transform: none; }
    .orb { animation: none; }
}