@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&family=Outfit:wght@400;600;700;800&display=swap');

/* =====================================================
   ÉCOLE DES EXPLORATEURS — Système de Design
   Mode Clair  : Parchemin & Forêt
   Mode Sombre : Nuit de Camp & Étoiles
   ===================================================== */

:root {
    /* Palette Aventure Scolaire — Mode Clair */
    --primary:         #2d6a4f;   /* Vert forêt explorateur   */
    --primary-hover:   #1b4332;
    --secondary:       #e9a83a;   /* Or / trésor              */
    --secondary-hover: #c97e1a;
    --accent:          #e07a5f;   /* Corail aventure          */
    --success:         #52b788;   /* Vert succès              */
    --danger:          #e63946;   /* Rouge danger             */

    --bg-main:   #fdf6e3;         /* Parchemin chaud          */
    --bg-card:   #fffef7;         /* Blanc crème cahier       */
    --text-main: #2c1810;         /* Brun encre               */
    --text-muted:#7c5c45;         /* Brun effacé              */
    --border:    #d4b896;         /* Sable / kraft            */

    --shadow: 0 8px 20px -4px rgba(44, 24, 16, 0.15),
              0 4px 8px  -2px rgba(44, 24, 16, 0.08);

    --glass-bg:     rgba(253, 246, 227, 0.92);
    --glass-border: rgba(212, 184, 150, 0.6);

    --gradient-primary: linear-gradient(135deg, #2d6a4f 0%, #52b788 100%);
    --gradient-orange:  linear-gradient(135deg, #e9a83a 0%, #f4c842 100%);
    --gradient-accent:  linear-gradient(135deg, #e07a5f 0%, #f4a282 100%);

    /* Extras visuels */
    --notebook-line: rgba(212, 184, 150, 0.30);
    --stamp-color:   rgba(224, 122, 95, 0.12);
}

/* ── Mode Sombre : Nuit de Camp ── */
[data-theme="dark"] {
    --primary:         #64ffda;   /* Teal lumineux            */
    --primary-hover:   #00e5c4;
    --secondary:       #ffd60a;   /* Or feu de camp           */
    --secondary-hover: #e6be00;
    --accent:          #ff6b6b;   /* Corail nuit              */
    --success:         #00b894;
    --danger:          #ff4757;

    --bg-main:   #0a1628;         /* Nuit profonde            */
    --bg-card:   #112240;         /* Bleu marine              */
    --text-main: #e8f4f8;         /* Crème clair              */
    --text-muted:#8892b0;         /* Gris bleu                */
    --border:    #1d3557;         /* Bleu sombre              */

    --shadow: 0 20px 30px -8px rgba(0, 0, 0, 0.55),
              0 8px  15px -4px rgba(0, 0, 0, 0.35);

    --glass-bg:     rgba(17, 34, 64, 0.92);
    --glass-border: rgba(100, 255, 218, 0.15);

    --gradient-primary: linear-gradient(135deg, #64ffda 0%, #00b894 100%);
    --gradient-orange:  linear-gradient(135deg, #ffd60a 0%, #ffb800 100%);
    --gradient-accent:  linear-gradient(135deg, #ff6b6b 0%, #ff4757 100%);

    --notebook-line: rgba(100, 255, 218, 0.06);
    --stamp-color:   rgba(100, 255, 218, 0.05);
}

/* ── Reset ── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ── Body — fond parchemin avec lignes de cahier ── */
body {
    font-family: 'Nunito', 'Inter', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.7;
    padding: 3rem 1rem;
    transition: background-color 0.45s ease, color 0.45s ease;
}

/* Fond parchemin : lignes de cahier uniquement (sans taches de couleur) */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        repeating-linear-gradient(
            transparent,
            transparent 27px,
            var(--notebook-line) 28px
        );
    z-index: -2;
    pointer-events: none;
}

/* Fond nuit étoilée */
[data-theme="dark"] body::before {
    background-image:
        radial-gradient(1.5px 1.5px at  8% 12%, rgba(255,255,255,0.70) 0%, transparent 100%),
        radial-gradient(1px   1px   at 22% 38%, rgba(255,255,255,0.50) 0%, transparent 100%),
        radial-gradient(2px   2px   at 41%  8%, rgba(255,214, 10,0.80) 0%, transparent 100%),
        radial-gradient(1px   1px   at 58% 52%, rgba(255,255,255,0.45) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 73% 22%, rgba(100,255,218,0.60) 0%, transparent 100%),
        radial-gradient(1px   1px   at 86% 68%, rgba(255,255,255,0.65) 0%, transparent 100%),
        radial-gradient(2px   2px   at 30% 78%, rgba(255,214, 10,0.55) 0%, transparent 100%),
        radial-gradient(1px   1px   at 92% 32%, rgba(255,255,255,0.40) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 16% 62%, rgba(100,255,218,0.50) 0%, transparent 100%),
        radial-gradient(1px   1px   at 64% 88%, rgba(255,255,255,0.55) 0%, transparent 100%);
}

/* ── Animations ── */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0);    }
}

@keyframes float {
    0%   { transform: translateY(0px);   }
    50%  { transform: translateY(-10px); }
    100% { transform: translateY(0px);   }
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0);     }
}

@keyframes wiggle {
    0%,  100% { transform: translateX(-50%) rotate(-4deg); }
    50%        { transform: translateX(-50%) rotate( 4deg); }
}

@keyframes bounceIn {
    0%   { transform: scale(0.75); opacity: 0; }
    60%  { transform: scale(1.08);             }
    100% { transform: scale(1);    opacity: 1; }
}

@keyframes sparkle {
    0%, 100% { opacity: 1;   transform: scale(1)   rotate(  0deg); }
    50%       { opacity: 0.7; transform: scale(1.2) rotate( 20deg); }
}

@keyframes stamp-in {
    0%   { transform: scale(1.4); opacity: 0; filter: blur(4px); }
    60%  { transform: scale(0.95); opacity: 1; filter: blur(0);  }
    100% { transform: scale(1);                                   }
}

@keyframes popIn {
    0%   { transform: scale(0) rotate(-5deg); opacity: 0; }
    60%  { transform: scale(1.06) rotate(1deg); opacity: 1; }
    100% { transform: scale(1) rotate(0deg); opacity: 1; }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* Entrées décalées des éléments */
.container > * { animation: fadeInUp 0.6s ease-out both; }
.container > *:nth-child(2) { animation-delay: 0.10s; }
.container > *:nth-child(3) { animation-delay: 0.20s; }
.container > *:nth-child(4) { animation-delay: 0.30s; }