/* ==========================================================================
   MUFITONU STUDIO v2.0 — Infinite Canvas & Retractable Sidebar (DAW-IA)
   ========================================================================== */

/* --------------------------------------------------------------------------
   Themes & CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
    --gold-primary: #f59e0b;
    --gold-light: #fbbf24;
    --gold-dark: #b45309;
    --gold-glow: rgba(245, 158, 11, 0.2);

    --accent-teal: #06b6d4;
    --accent-green: #10b981;
    --accent-rose: #f43f5e;
    --accent-blue: #3b82f6;

    --font-heading: 'Cinzel', serif;
    --font-ui: 'Plus Jakarta Sans', sans-serif;
    --font-code: 'JetBrains Mono', monospace;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
}

/* Dark Theme (Default) */
[data-theme="dark"] {
    --bg-canvas: #090b10;
    --grid-dot: rgba(255, 255, 255, 0.08);
    --sidebar-rail-bg: #0e121b;
    --sidebar-drawer-bg: rgba(17, 24, 39, 0.94);
    --card-bg: rgba(26, 32, 46, 0.85);
    --card-border: rgba(255, 255, 255, 0.1);
    --card-hover: rgba(34, 42, 61, 0.95);
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    --border-color: rgba(255, 255, 255, 0.1);

    --hud-bg: rgba(19, 24, 36, 0.88);
    --hud-border: rgba(255, 255, 255, 0.12);
}

/* Light Theme */
[data-theme="light"] {
    --bg-canvas: #f8fafc;
    --grid-dot: rgba(15, 23, 42, 0.13);
    --sidebar-rail-bg: #f1f5f9;
    --sidebar-drawer-bg: rgba(255, 255, 255, 0.96);
    --card-bg: rgba(255, 255, 255, 0.92);
    --card-border: rgba(0, 0, 0, 0.1);
    --card-hover: #ffffff;
    
    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-dim: #94a3b8;
    --border-color: rgba(0, 0, 0, 0.1);

    --hud-bg: rgba(255, 255, 255, 0.92);
    --hud-border: rgba(0, 0, 0, 0.12);
}

/* Global Reset */
html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: var(--bg-canvas);
    color: var(--text-main);
    font-family: var(--font-ui);
    user-select: none;
}

* {
    box-sizing: border-box;
}

.text-gold { color: var(--gold-primary); }
.text-green { color: var(--accent-green); }
.text-rose { color: var(--accent-rose); }

/* Master App Container */
.mufitonu-app {
    width: 100vw;
    height: 100vh;
    display: flex;
    position: relative;
    overflow: hidden;
}

/* --------------------------------------------------------------------------
   1. MENU LATÉRAL DÉPLOYABLE / RÉTRACTABLE (Style bufitonu.fr)
   -------------------------------------------------------------------------- */
.sidebar-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    display: flex;
    z-index: 100;
    pointer-events: auto;
}

/* Vertical Icon Rail */
.sidebar-rail {
    width: 58px;
    height: 100%;
    background: var(--sidebar-rail-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0;
    z-index: 102;
    backdrop-filter: blur(10px);
}

.rail-top {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.rail-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.rail-sep {
    width: 32px;
    height: 1px;
    background: var(--border-color);
    margin: 4px 0;
}

.rail-btn {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: transparent;
    border: none;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.rail-btn i {
    font-size: 16px;
}

.rail-label {
    font-size: 8.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.rail-btn:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.05);
}

.rail-btn.active {
    background: var(--gold-glow);
    color: var(--gold-primary);
    border: 1px solid rgba(245, 158, 11, 0.35);
    box-shadow: 0 0 12px rgba(245, 158, 11, 0.15);
}

.brand-btn {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--gold-primary), var(--gold-dark));
    color: #fff !important;
    border-radius: 12px;
    box-shadow: 0 4px 12px var(--gold-glow);
}

.brand-btn i {
    font-size: 18px;
    color: #fff;
}

.toggle-drawer-btn {
    color: var(--text-dim);
}

.toggle-drawer-btn:hover {
    color: var(--gold-primary);
}

/* Slide-out Drawer Panel (350px) */
.sidebar-drawer {
    width: 350px;
    height: 100%;
    background: var(--sidebar-drawer-bg);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--border-color);
    box-shadow: 14px 0 36px rgba(0, 0, 0, 0.45);
    display: flex;
    flex-direction: column;
    transform: translateX(0);
    transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 101;
    overflow: hidden;
}

.sidebar-wrapper.collapsed .sidebar-drawer {
    transform: translateX(-100%);
    pointer-events: none;
}

.drawer-pane {
    display: none;
    flex-direction: column;
    height: 100%;
    padding: 20px;
    overflow-y: auto;
}

.drawer-pane.active {
    display: flex;
}

/* Pane Header */
.pane-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.pane-title-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
}

.pane-title-wrap h3 {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 700;
    margin: 0;
}

.badge-supabase {
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--accent-green);
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 10px;
    font-weight: 700;
}

/* Search Row */
.pane-search-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
}

.search-input-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 7px 12px;
}

.search-input-wrap i {
    color: var(--text-dim);
    font-size: 12px;
}

.search-input-wrap input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-main);
    font-size: 12px;
    width: 100%;
}

.btn-icon-filter {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.15s;
}

.btn-icon-filter.active {
    background: var(--gold-glow);
    border-color: var(--gold-primary);
    color: var(--gold-primary);
}

.cloud-sync-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 12px;
    padding: 4px 8px;
    background: rgba(0, 0, 0, 0.15);
    border-radius: var(--radius-sm);
}

/* Plans List Container */
.plans-list {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-right: 4px;
}

.plan-card-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-sm);
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    transition: all 0.15s;
    position: relative;
}

.plan-card-item:hover {
    background: var(--card-hover);
    border-color: var(--gold-primary);
    transform: translateY(-1px);
}

.plan-card-item.active {
    border-left: 3px solid var(--gold-primary);
    border-color: var(--gold-primary);
    background: var(--card-hover);
}

.plan-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.plan-card-title {
    font-weight: 700;
    font-size: 13px;
    color: var(--text-main);
}

.plan-card-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.plan-card-btn {
    background: transparent;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 12px;
    padding: 3px;
    transition: color 0.15s;
}

.plan-card-btn:hover {
    color: var(--text-main);
}

.plan-card-btn.fav.active {
    color: var(--gold-primary);
}

.plan-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 10px;
    color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   Auth & Profile Styles
   -------------------------------------------------------------------------- */
.auth-intro {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 16px;
}

.auth-tabs {
    display: flex;
    gap: 4px;
    background: var(--card-bg);
    padding: 3px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
}

.auth-tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 6px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s;
}

.auth-tab-btn.active {
    background: var(--sidebar-drawer-bg);
    color: var(--text-main);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 12px;
}

.form-group label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
}

.form-input {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    color: var(--text-main);
    font-size: 12px;
    outline: none;
}

.form-input:focus {
    border-color: var(--gold-primary);
}

.auth-feedback {
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    margin-bottom: 12px;
}

.auth-feedback.success { background: rgba(16, 185, 129, 0.15); color: var(--accent-green); border: 1px solid rgba(16, 185, 129, 0.3); }
.auth-feedback.error { background: rgba(244, 63, 94, 0.15); color: var(--accent-rose); border: 1px solid rgba(244, 63, 94, 0.3); }

/* Profile Card */
.profile-card {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 16px;
    border-radius: var(--radius-md);
    margin-bottom: 18px;
}

.profile-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--gold-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.profile-info strong {
    display: block;
    font-size: 13px;
    color: var(--text-main);
}

.profile-role {
    font-size: 10px;
    color: var(--accent-green);
    font-weight: 700;
}

.profile-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* --------------------------------------------------------------------------
   Settings & Preferences Styles
   -------------------------------------------------------------------------- */
.settings-list {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.setting-item {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border-color);
}

.setting-info strong {
    display: block;
    font-size: 12px;
    color: var(--text-main);
}

.setting-info span {
    font-size: 10.5px;
    color: var(--text-muted);
}

.theme-switch-row, .lang-selector-row {
    display: flex;
    gap: 6px;
}

.theme-btn, .lang-btn {
    flex: 1;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 7px 10px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.15s;
}

.theme-btn.active, .lang-btn.active {
    background: var(--gold-glow);
    border-color: var(--gold-primary);
    color: var(--gold-primary);
    font-weight: 700;
}

/* Templates & Share Section */
.templates-section, .export-section {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.templates-section h4, .export-section h4 {
    font-size: 12px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.template-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.15s;
}

.template-card:hover {
    border-color: var(--gold-primary);
    background: var(--card-hover);
}

.template-card strong {
    display: block;
    font-size: 12px;
    color: var(--text-main);
}

.template-card p {
    font-size: 10.5px;
    color: var(--text-muted);
    margin: 4px 0 0 0;
}

.export-btn-row {
    display: flex;
    gap: 8px;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--gold-primary), var(--gold-dark));
    color: #fff;
    border: none;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    box-shadow: 0 4px 12px var(--gold-glow);
    transition: all 0.15s;
}

.btn-primary:hover {
    box-shadow: 0 6px 18px rgba(245, 158, 11, 0.4);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.15s;
}

.btn-secondary:hover {
    border-color: var(--gold-primary);
}

.btn-action-sm {
    background: var(--gold-glow);
    border: 1px solid rgba(245, 158, 11, 0.35);
    color: var(--gold-primary);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
}

.btn-danger-outline {
    background: transparent;
    border: 1px solid rgba(244, 63, 94, 0.3);
    color: var(--accent-rose);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.15s;
}

.btn-danger-outline:hover {
    background: rgba(244, 63, 94, 0.12);
}

.w-full { width: 100%; }
.flex-1 { flex: 1; }
.cursor-pointer { cursor: pointer; }

/* --------------------------------------------------------------------------
   2. TOILE INFINIE (INFINITE CANVAS VIEWPORT 100vw / 100vh)
   -------------------------------------------------------------------------- */
.canvas-viewport {
    flex: 1;
    width: 100vw;
    height: 100vh;
    position: relative;
    overflow: hidden;
    cursor: grab;
    background-color: var(--bg-canvas);
}

.canvas-viewport.panning {
    cursor: grabbing;
}

/* Transform World */
.canvas-world {
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 0;
    transform-origin: 0 0;
    will-change: transform;
}

/* Dynamic Dot Grid Background */
.canvas-grid {
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image: radial-gradient(circle, var(--grid-dot) 1.5px, transparent 1.5px);
    background-size: 24px 24px;
    z-index: 1;
}

/* Canvas Elements Container */
.canvas-elements {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
}

/* Canvas Node / Card */
.canvas-node {
    position: absolute;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(14px);
    transition: border-color 0.15s;
    user-select: none;
}

.canvas-node:hover {
    border-color: rgba(245, 158, 11, 0.4);
}

.master-board-card {
    width: 480px;
    padding: 24px;
}

.node-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
    margin-bottom: 16px;
}

.badge-master {
    background: var(--gold-glow);
    border: 1px solid rgba(245, 158, 11, 0.4);
    color: var(--gold-primary);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 6px;
    letter-spacing: 0.5px;
}

.node-id {
    font-family: var(--font-code);
    font-size: 10px;
    color: var(--text-dim);
}

.node-body {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.master-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.master-field label {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
}

.canvas-input-lg {
    background: var(--sidebar-rail-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    color: var(--text-main);
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 700;
    outline: none;
}

.canvas-input-lg:focus {
    border-color: var(--gold-primary);
}

.canvas-textarea {
    background: var(--sidebar-rail-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    color: var(--text-main);
    font-size: 12px;
    line-height: 1.5;
    outline: none;
    resize: none;
}

.canvas-textarea:focus {
    border-color: var(--gold-primary);
}

.canvas-hint {
    background: rgba(245, 158, 11, 0.08);
    border: 1px dashed rgba(245, 158, 11, 0.25);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    font-size: 11px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
    line-height: 1.4;
}

/* --------------------------------------------------------------------------
   3. FLOATING HUD CONTROLS
   -------------------------------------------------------------------------- */
/* Floating Top Bar */
.floating-topbar {
    position: absolute;
    top: 18px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--hud-bg);
    border: 1px solid var(--hud-border);
    backdrop-filter: blur(16px);
    border-radius: 30px;
    padding: 6px 14px 6px 18px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
    z-index: 50;
}

.topbar-plan-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.topbar-plan-info input {
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 13px;
    font-weight: 700;
    outline: none;
    min-width: 180px;
}

.topbar-save-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: var(--text-muted);
    font-family: var(--font-code);
    border-left: 1px solid var(--border-color);
    padding-left: 12px;
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent-green);
    box-shadow: 0 0 6px var(--accent-green);
}

.btn-save-plan {
    background: var(--gold-glow);
    border: 1px solid rgba(245, 158, 11, 0.35);
    color: var(--gold-primary);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 11.5px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.15s;
}

.btn-save-plan:hover {
    background: var(--gold-primary);
    color: #fff;
}

/* Floating Bottom-Right Canvas Navigation */
.floating-canvas-controls {
    position: absolute;
    bottom: 24px;
    right: 24px;
    background: var(--hud-bg);
    border: 1px solid var(--hud-border);
    backdrop-filter: blur(16px);
    border-radius: var(--radius-md);
    padding: 4px;
    display: flex;
    align-items: center;
    gap: 4px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    z-index: 50;
}

.canvas-ctrl-btn {
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: all 0.15s;
}

.canvas-ctrl-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-main);
}

.zoom-indicator {
    width: auto;
    padding: 0 8px;
    font-family: var(--font-code);
    font-size: 11px;
    font-weight: 700;
    color: var(--text-main);
}

.ctrl-divider {
    width: 1px;
    height: 18px;
    background: var(--border-color);
    margin: 0 2px;
}