/*
  Fichier de styles globaux du site.
  Il contient les variables de thème, le fond général, les boutons, les cartes et les formulaires.
*/

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

@keyframes gradientBG {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

body {
    background: linear-gradient(-45deg, #000000, #150020, #000000, #2a0050);
    background-size: 600% 400%;
    background-attachment: fixed;
    animation: gradientBG 28s ease-in-out infinite;
    font-family: 'Segoe UI', Arial, sans-serif;
    color: #e0e0e0;
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

h1, h2, h3 {
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.5px;
}

a {
    color: var(--accent-hover);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: #fff;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--accent);
    border: none;
    padding: 10px 24px;
    font-weight: 600;
    border-radius: 8px;
    color: #fff;
    transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(124, 92, 191, 0.4);
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--accent);
    padding: 10px 24px;
    font-weight: 600;
    border-radius: 8px;
    color: var(--accent-hover);
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background-color: var(--accent);
    color: #fff;
    transform: translateY(-2px);
}

.btn-success {
    background-color: #2d6a4f;
    border: none;
    padding: 10px 24px;
    font-weight: 600;
    border-radius: 8px;
    color: #fff;
    transition: all 0.3s ease;
}

.btn-success:hover {
    background-color: #40916c;
    transform: translateY(-2px);
}

.btn-outline-primary {
    border: 2px solid var(--accent);
    color: var(--accent-hover);
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background-color: var(--accent);
    color: #fff;
    transform: translateY(-2px);
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: var(--shadow);
    color: var(--text-primary);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(124, 92, 191, 0.25);
}

.form-control {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 14px;
    color: var(--text-primary);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
    background-color: var(--bg-secondary);
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(124, 92, 191, 0.2);
    color: var(--text-primary);
}

.form-label {
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 6px;
}

.img-avatar,
.img-fluid.rounded-circle {
    border-radius: 50%;
    max-width: 220px;
    border: 3px solid var(--accent);
    box-shadow: 0 0 25px rgba(124, 92, 191, 0.4);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.img-fluid.rounded-circle:hover {
    transform: scale(1.03);
    box-shadow: 0 0 40px rgba(124, 92, 191, 0.6);
}

#loader {
    text-align: center;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-muted);
}

.spinner-border {
    color: var(--accent) !important;
}

.games-list .card,
#games-container .card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.games-list .card:hover,
#games-container .card:hover {
    transform: scale(1.04);
    box-shadow: 0 8px 30px rgba(124, 92, 191, 0.3);
}

.center-page {
    min-height: 80vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.section {
    margin-bottom: 40px;
}

.text-muted {
    color: var(--text-muted) !important;
}

.bg-dark {
    --bs-bg-opacity: 0 !important;
    background-color: transparent !important;
}

/* Thème moderne partagé. */
:root {
    --bg-secondary: #11172a;
    --bg-card: rgba(20, 28, 49, .82);
    --accent: #8b5cf6;
    --accent-hover: #a78bfa;
    --accent-cyan: #22d3ee;
    --text-primary: #f5f7ff;
    --text-muted: #9aa7c2;
    --border: rgba(148, 163, 184, .16);
    --shadow: 0 24px 70px rgba(0, 0, 0, .34);
}

html { scroll-behavior: smooth; }

body {
    position: relative;
    overflow-x: hidden;
    background: #080b16 !important;
    color: var(--text-primary) !important;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body::before,
body::after {
    position: fixed;
    z-index: -1;
    width: 32rem;
    height: 32rem;
    border-radius: 50%;
    content: "";
    filter: blur(90px);
    opacity: .16;
    pointer-events: none;
}

body::before { top: -14rem; left: -12rem; background: #7c3aed; }
body::after { right: -14rem; bottom: -14rem; background: #0891b2; }
main { min-height: calc(100vh - 190px); }

h1, h2, h3, h4, h5 { color: var(--text-primary); letter-spacing: -.03em; }
a { color: var(--accent-hover); }
a:hover { color: #fff; }

.navbar.bg-dark {
    padding: 1rem 0;
    background: rgba(8, 11, 22, .72) !important;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 12px 35px rgba(0, 0, 0, .16);
    backdrop-filter: blur(18px);
}

.navbar-brand {
    display: inline-flex;
    align-items: center;
    gap: .65rem;
    color: #fff !important;
    font-size: 1.15rem;
    letter-spacing: .08em;
}

.navbar-brand::before {
    width: .65rem;
    height: .65rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent));
    box-shadow: 0 0 18px var(--accent-cyan);
    content: "";
}

.nav-link {
    margin: 0 .15rem;
    padding: .55rem .85rem !important;
    color: var(--text-muted) !important;
    border-radius: .7rem;
    font-size: .92rem;
    transition: color .2s ease, background .2s ease, transform .2s ease;
}

.nav-link:hover,
.nav-link.active {
    color: #fff !important;
    background: rgba(139, 92, 246, .16);
    transform: translateY(-1px);
}

.nav-item.d-flex { color: var(--text-muted) !important; }
.nav-item strong { color: #fff; }

.btn-primary,
.btn-success {
    border: 0;
    background: linear-gradient(135deg, #7c3aed, #4f46e5);
    box-shadow: 0 10px 24px rgba(99, 102, 241, .24);
}

.btn-primary:hover,
.btn-success:hover {
    background: linear-gradient(135deg, #8b5cf6, #6366f1);
    box-shadow: 0 14px 30px rgba(99, 102, 241, .34);
}

.btn-outline-light { border-color: rgba(167, 139, 250, .6); color: #ddd6fe; }
.btn-outline-light:hover { color: #fff; background: rgba(139, 92, 246, .25); }

.card,
.achievement-dialog {
    color: var(--text-primary);
    background: linear-gradient(145deg, rgba(24, 33, 58, .92), rgba(13, 18, 35, .92));
    border: 1px solid var(--border);
    border-radius: 1.25rem;
    box-shadow: var(--shadow);
    backdrop-filter: blur(16px);
}

.form-control {
    min-height: 3rem;
    color: #fff;
    background: rgba(8, 11, 22, .64);
    border: 1px solid rgba(148, 163, 184, .22);
    border-radius: .75rem;
}

.form-control:focus {
    color: #fff;
    background: rgba(8, 11, 22, .82);
    border-color: var(--accent);
    box-shadow: 0 0 0 .22rem rgba(139, 92, 246, .16);
}

.form-label { color: #dbe4f5; font-weight: 600; }

footer.bg-dark {
    margin-top: 5rem !important;
    padding: 2.5rem 0 !important;
    background: rgba(8, 11, 22, .7) !important;
    border-top: 1px solid var(--border);
    color: var(--text-muted) !important;
}

footer h5 { color: #fff; letter-spacing: .08em; }
footer a { color: var(--text-muted) !important; }
footer a:hover { color: #fff !important; }

@media (max-width: 767px) {
    .navbar-nav { padding-top: .75rem; }
    .nav-item.d-flex { justify-content: center; margin: .5rem 0 !important; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}