/* ==========================================================================
   COMMON.CSS — Design System global
   Variables, glassmorphisme, boutons, badges, animations, modal, utilitaires
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Variables CSS — Identité visuelle
   -------------------------------------------------------------------------- */
:root {
    /* ROUGE */
    --color-primary:        #C0122B;
    --color-primary-dark:   #8B0D1E;
    --color-primary-light:  #E8304A;
    --color-primary-glass:  rgba(192, 18, 43, 0.12);
    --color-primary-subtle: rgba(192, 18, 43, 0.06);

    /* BLANC */
    --color-white:          #FFFFFF;
    --color-off-white:      #FAF8F6;
    --color-white-glass:    rgba(255, 255, 255, 0.72);
    --color-white-glass-2:  rgba(255, 255, 255, 0.45);

    /* OR */
    --color-gold:           #C9952A;
    --color-gold-light:     #E8B84B;
    --color-gold-glass:     rgba(201, 149, 42, 0.15);
    --color-gold-subtle:    rgba(201, 149, 42, 0.08);

    /* BLEU */
    --color-blue-subtle:    #2C5282;

    /* GRIS */
    --color-gray-50:        #FDFCFB;
    --color-gray-100:       #F4F2F0;
    --color-gray-200:       #E8E4E0;
    --color-gray-300:       #D4CFC9;
    --color-gray-400:       #9E9691;
    --color-gray-600:       #6B6460;
    --color-gray-700:       #3D3530;
    --color-gray-900:       #1A1512;

    /* FONDS PRINCIPAUX */
    --color-bg-main:        #F9F6F3;
    --color-bg-admin:       #F4F2F0;
    --color-bg-dark:        #1A0A0E;
    --color-bg-dark-2:      #2D1218;
    --color-bg-sidebar:     #1A0A0E;

    /* STATUTS LIVRES */
    --color-status-available:     #1A7A4A;
    --color-status-available-bg:  #E8F5EE;
    --color-status-on-loan:       #B45309;
    --color-status-on-loan-bg:    #FEF3C7;
    --color-status-reserved:      #1E40AF;
    --color-status-reserved-bg:   #EFF6FF;
    --color-status-damaged:       #6B2121;
    --color-status-damaged-bg:    #FEE2E2;

    /* SCORES LECTEURS */
    --color-score-excellent:      #C9952A;
    --color-score-excellent-bg:   rgba(201,149,42,0.10);
    --color-score-good:           #1A7A4A;
    --color-score-good-bg:        #E8F5EE;
    --color-score-warning:        #B45309;
    --color-score-warning-bg:     #FEF3C7;
    --color-score-suspended:      #C0122B;
    --color-score-suspended-bg:   #FEE2E2;

    /* TYPOGRAPHIE */
    --font-display:  'Cormorant Garamond', Georgia, serif;
    --font-heading:  'Libre Baskerville', Georgia, serif;
    --font-body:     'Source Serif 4', Georgia, serif;
    --font-ui:       'Inter', -apple-system, sans-serif;
    --font-quote:    'Lora', Georgia, serif;

    /* DÉGRADÉS */
    --gradient-hero:      linear-gradient(135deg, rgba(26,10,14,0.88), rgba(192,18,43,0.55));
    --gradient-red:       linear-gradient(160deg, #8B0D1E, #C0122B 60%, #E8304A);
    --gradient-brand:     linear-gradient(90deg, var(--color-primary), var(--color-gold));
    --gradient-dark:      linear-gradient(180deg, #1A0A0E, #2D1218);
    --gradient-card-red:  linear-gradient(135deg, rgba(192,18,43,0.08), rgba(192,18,43,0.02));
    --gradient-card-gold: linear-gradient(135deg, rgba(201,149,42,0.10), rgba(201,149,42,0.02));
}

/* --------------------------------------------------------------------------
   2. Base
   -------------------------------------------------------------------------- */
body {
    font-family: var(--font-body);
    color: var(--color-gray-700);
    background-color: var(--color-bg-main);
    overflow-x: hidden;
}

h1, .font-display { font-family: var(--font-display); }
h2, h3, .font-heading { font-family: var(--font-heading); }
.font-ui    { font-family: var(--font-ui); }
.font-quote { font-family: var(--font-quote); }

/* --------------------------------------------------------------------------
   3. Glassmorphisme
   -------------------------------------------------------------------------- */
.glass-white {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.6);
}
.glass-red {
    background: rgba(192, 18, 43, 0.14);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(192, 18, 43, 0.25);
}
.glass-dark {
    background: rgba(26, 10, 14, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08);
}
.glass-gold {
    background: rgba(201, 149, 42, 0.12);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(201, 149, 42, 0.3);
}
.glass-light {
    background: rgba(255, 255, 255, 0.70);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
}

/* --------------------------------------------------------------------------
   4. Boutons
   -------------------------------------------------------------------------- */
.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    padding: 12px 28px;
    border-radius: 9999px;
    font-family: var(--font-ui);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.btn-primary:hover {
    background: var(--color-primary-dark);
    box-shadow: 0 4px 16px rgba(192, 18, 43, 0.35);
    transform: translateY(-2px);
}
.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 1.5px solid var(--color-primary);
    padding: 12px 28px;
    border-radius: 9999px;
    font-family: var(--font-ui);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}
.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}
.btn-glass {
    background: var(--color-white-glass-2);
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(8px);
    padding: 12px 28px;
    border-radius: 9999px;
    font-family: var(--font-ui);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}
.btn-glass:hover {
    background: rgba(255, 255, 255, 0.85);
    color: var(--color-primary);
}
.btn-gold {
    background: var(--color-gold);
    color: var(--color-white);
    border: none;
    padding: 12px 28px;
    border-radius: 9999px;
    font-family: var(--font-ui);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}
.btn-gold:hover {
    background: #A67820;
    transform: translateY(-2px);
}
.btn-icon {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--color-white);
    color: var(--color-gray-700);
    border: 1px solid var(--color-gray-200);
    padding: 8px 16px;
    border-radius: 9999px;
    font-family: var(--font-ui);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}
.btn-icon:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   5. Badges de statut
   -------------------------------------------------------------------------- */
.badge-status {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 9999px;
    font-family: var(--font-ui);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}
.badge-available { background: var(--color-status-available-bg); color: var(--color-status-available); }
.badge-on-loan   { background: var(--color-status-on-loan-bg);   color: var(--color-status-on-loan); }
.badge-reserved  { background: var(--color-status-reserved-bg);  color: var(--color-status-reserved); }
.badge-damaged   { background: var(--color-status-damaged-bg);   color: var(--color-status-damaged); }

/* --------------------------------------------------------------------------
   6. Score fiabilité
   -------------------------------------------------------------------------- */
.score-bar {
    height: 8px;
    border-radius: 9999px;
    background: var(--color-gray-200);
    overflow: hidden;
    width: 100%;
}
.score-fill {
    height: 100%;
    border-radius: 9999px;
    transition: width 0.6s ease;
}
.score-fill.excellent { background: var(--color-gold); }
.score-fill.good      { background: var(--color-status-available); }
.score-fill.warning   { background: var(--color-status-on-loan); }
.score-fill.suspended { background: var(--color-primary); }

/* --------------------------------------------------------------------------
   7. Animations
   -------------------------------------------------------------------------- */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}
.animate-fade-in-up {
    animation: fadeInUp 0.8s cubic-bezier(.4,0,.2,1) forwards;
}

@keyframes pulse-red {
    0%, 100% { box-shadow: 0 0 0 0 rgba(192,18,43,0.4); }
    50%       { box-shadow: 0 0 0 8px rgba(192,18,43,0); }
}
.pulse-red {
    animation: pulse-red 2s ease infinite;
}

/* --------------------------------------------------------------------------
   8. Modal
   -------------------------------------------------------------------------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}
.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}
.modal-content {
    transform: scale(0.95);
    transition: transform 0.3s;
}
.modal-overlay.active .modal-content {
    transform: scale(1);
}

/* --------------------------------------------------------------------------
   9. Utilitaires
   -------------------------------------------------------------------------- */
.hidden { display: none !important; }