/* ==========================================================================
   Base commune : couleurs (thèmes sombre / clair), typo, boutons, formulaires
   ========================================================================== */

:root {
    --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Space Grotesk', var(--font-sans);
    --font-mono: 'JetBrains Mono', ui-monospace, 'Cascadia Code', Consolas, monospace;

    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --container: 1180px;
    --gutter: 24px;
    --ease: cubic-bezier(.22, .61, .36, 1);

    /* Thème sombre (par défaut) */
    --bg: #090c11;
    --bg-elev: #0c1016;
    --surface: #10151d;
    --surface-2: #151b25;
    --surface-3: #1c2431;
    --border: rgba(148, 163, 184, .12);
    --border-strong: rgba(148, 163, 184, .24);
    --text: #e8edf4;
    --text-2: #b3bdcc;
    --muted: #7f8a9c;
    --accent: #62b6f6;
    --accent-2: #8adcfb;
    --accent-ink: #04121f;
    --accent-soft: rgba(98, 182, 246, .12);
    --accent-border: rgba(98, 182, 246, .35);
    --grad: linear-gradient(100deg, #58a9f4 0%, #8adcfb 100%);
    --grad-text: linear-gradient(100deg, #62b6f6 0%, #9fe3fc 100%);
    --success: #34d399;
    --success-soft: rgba(52, 211, 153, .12);
    --warning: #fbbf24;
    --warning-soft: rgba(251, 191, 36, .12);
    --danger: #f87171;
    --danger-soft: rgba(248, 113, 113, .12);
    --shadow: 0 18px 40px -20px rgba(0, 0, 0, .7);
    --glow: 0 10px 30px -10px rgba(98, 182, 246, .6);
    --grid-line: rgba(148, 163, 184, .06);
    color-scheme: dark;
}

:root[data-theme="light"] {
    --bg: #f5f7fb;
    --bg-elev: #ffffff;
    --surface: #ffffff;
    --surface-2: #f0f3f8;
    --surface-3: #e5eaf2;
    --border: rgba(15, 23, 42, .09);
    --border-strong: rgba(15, 23, 42, .18);
    --text: #0d1421;
    --text-2: #334155;
    --muted: #5f6b7e;
    --accent: #1877cc;
    --accent-2: #0b93d1;
    --accent-ink: #04121f;
    --accent-soft: rgba(24, 119, 204, .09);
    --accent-border: rgba(24, 119, 204, .32);
    --grad: linear-gradient(100deg, #58a9f4 0%, #8adcfb 100%);
    --grad-text: linear-gradient(100deg, #1569c7 0%, #0b8fcf 100%);
    --success: #047857;
    --success-soft: rgba(4, 120, 87, .1);
    --warning: #a16207;
    --warning-soft: rgba(161, 98, 7, .1);
    --danger: #c62828;
    --danger-soft: rgba(198, 40, 40, .08);
    --shadow: 0 18px 40px -22px rgba(15, 23, 42, .25);
    --glow: 0 10px 28px -12px rgba(24, 119, 204, .45);
    --grid-line: rgba(15, 23, 42, .05);
    color-scheme: light;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; margin: 0; letter-spacing: -.02em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; }
code { font-family: var(--font-mono); font-size: .88em; padding: .12em .4em; border-radius: 6px; background: var(--surface-3); }
::selection { background: var(--accent); color: var(--accent-ink); }
[hidden] { display: none !important; }

.icon { width: 18px; height: 18px; flex-shrink: 0; }

/* ---------- Utilitaires ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.muted { color: var(--muted); }
.center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.grad-text { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.skip-link { position: absolute; left: 12px; top: -60px; z-index: 100; padding: 10px 14px; border-radius: var(--radius-sm); background: var(--accent); color: var(--accent-ink); font-weight: 600; }
.skip-link:focus { top: 12px; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

/* ---------- Logo ---------- */
.logo { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; letter-spacing: -.02em; }
.logo-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); }

/* ---------- Boutons ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    min-height: 44px; padding: 0 18px;
    border: 1px solid transparent; border-radius: var(--radius);
    font-size: .95rem; font-weight: 600; white-space: nowrap;
    transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s, border-color .2s, color .2s;
}
.btn .icon { width: 17px; height: 17px; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--grad); color: var(--accent-ink); box-shadow: var(--glow); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 14px 34px -10px rgba(98, 182, 246, .75); }
.btn-ghost { background: var(--surface); border-color: var(--border-strong); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent-border); background: var(--surface-2); }
.btn-danger { background: var(--danger-soft); border-color: transparent; color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-sm { min-height: 36px; padding: 0 13px; font-size: .87rem; border-radius: 10px; }
.btn-xs { min-height: 30px; padding: 0 10px; font-size: .8rem; border-radius: 8px; gap: 6px; }
.btn-xs .icon { width: 14px; height: 14px; }
.btn-lg { min-height: 50px; padding: 0 22px; font-size: 1rem; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .6; pointer-events: none; }

.icon-btn {
    display: inline-grid; place-items: center;
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--surface); border: 1px solid var(--border-strong); color: var(--text-2);
    transition: color .2s, border-color .2s, background .2s;
}
.icon-btn:hover { color: var(--text); border-color: var(--accent-border); }
.icon-btn .icon { width: 17px; height: 17px; }

.link-btn { display: inline-flex; align-items: center; gap: 6px; padding: 0; border: 0; background: none; color: var(--accent); font-weight: 600; font-size: .92rem; }
.link-btn .icon { width: 16px; height: 16px; transition: transform .2s var(--ease); }
.link-btn:hover .icon { transform: translateX(3px); }

/* Icônes du bouton de thème */
.theme-icon-light { display: none; }
:root[data-theme="light"] .theme-icon-light { display: inline; }
:root[data-theme="light"] .theme-icon-dark { display: none; }

/* ---------- Badges, pastilles, étiquettes ---------- */
.badge {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 3px 10px; border-radius: 999px;
    font-size: .76rem; font-weight: 600; line-height: 1.5;
    background: var(--surface-3); color: var(--text-2); border: 1px solid var(--border);
    white-space: nowrap;
}
.badge .icon { width: 13px; height: 13px; }
.badge-accent { background: var(--accent-soft); color: var(--accent); border-color: var(--accent-border); }
.badge-success { background: var(--success-soft); color: var(--success); border-color: transparent; }
.badge-warning { background: var(--warning-soft); color: var(--warning); border-color: transparent; }
.badge-danger { background: var(--danger-soft); color: var(--danger); border-color: transparent; }
.badge-muted { background: var(--surface-3); color: var(--muted); border-color: transparent; }

.tag-list { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; }
.tag-list li {
    padding: 4px 11px; border-radius: 999px;
    font-size: .8rem; font-weight: 500; color: var(--text-2);
    background: var(--surface-2); border: 1px solid var(--border);
}
.tag-list-sm li { padding: 2px 9px; font-size: .75rem; }

.chip {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 7px 15px; border-radius: 999px;
    font-size: .88rem; font-weight: 600;
    background: var(--surface); border: 1px solid var(--border-strong); color: var(--text-2);
    transition: all .2s var(--ease);
}
.chip:hover { color: var(--text); border-color: var(--accent-border); }
.chip.is-active { background: var(--accent-soft); color: var(--accent); border-color: var(--accent-border); }

.kicker {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 5px 13px; border-radius: 999px;
    font-size: .78rem; font-weight: 600; letter-spacing: .02em;
    color: var(--accent); background: var(--accent-soft); border: 1px solid var(--accent-border);
}
.kicker .icon { width: 14px; height: 14px; }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px; }
.card-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 6px; }

/* Logo de techno (Simple Icons) ou initiales */
.skill-logo {
    display: grid; place-items: center; flex-shrink: 0;
    width: 34px; height: 34px; border-radius: 10px;
    background: var(--accent-soft); color: var(--accent);
    font-family: var(--font-display); font-size: .8rem; font-weight: 700;
}
.skill-logo.has-logo::before {
    content: ''; width: 18px; height: 18px; background: currentColor;
    -webkit-mask: var(--logo) center / contain no-repeat; mask: var(--logo) center / contain no-repeat;
}

/* Visuel de remplacement quand une réalisation n'a pas d'image */
.media-fallback {
    display: grid; place-items: center; color: var(--accent);
    background:
        radial-gradient(circle at 30% 20%, var(--accent-soft), transparent 60%),
        linear-gradient(var(--grid-line) 1px, transparent 1px) 0 0 / 28px 28px,
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px) 0 0 / 28px 28px,
        var(--surface-2);
}
.media-fallback .icon { width: 56px; height: 56px; stroke-width: 1.4; opacity: .9; filter: drop-shadow(0 0 18px var(--accent-border)); }

/* ---------- Formulaires ---------- */
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; min-width: 0; }
.form-stack { display: grid; gap: 18px; min-width: 0; }
.form-stack > * { min-width: 0; }
.field { display: grid; gap: 7px; min-width: 0; }
.field > span:first-child { display: flex; justify-content: space-between; gap: 10px; font-size: .88rem; font-weight: 600; color: var(--text-2); }
.field > span:first-child small, .field-hint { font-weight: 400; color: var(--muted); font-size: .8rem; }
.field-hint code { font-size: .78rem; }
.field-full { grid-column: 1 / -1; }
.input {
    width: 100%; min-width: 0; min-height: 44px; padding: 10px 13px;
    background: var(--surface-2); color: var(--text);
    border: 1px solid var(--border-strong); border-radius: 10px;
    transition: border-color .2s, box-shadow .2s, background .2s;
}
.input::placeholder { color: var(--muted); }
.input:hover { border-color: var(--accent-border); }
.input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
textarea.input { resize: vertical; min-height: 120px; line-height: 1.55; }
select.input { appearance: none; padding-right: 36px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%237f8a9c' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; }
.input-mono { font-family: var(--font-mono); font-size: .9rem; }
.input-group { display: flex; gap: 8px; }
.input-group .input { flex: 1; }

.checkbox { display: flex; align-items: flex-start; gap: 10px; font-size: .9rem; color: var(--text-2); cursor: pointer; }
.checkbox input { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--accent); flex-shrink: 0; }

.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- Alertes ---------- */
.alert {
    display: flex; align-items: flex-start; gap: 10px;
    padding: 12px 14px; border-radius: var(--radius);
    font-size: .92rem; border: 1px solid transparent;
    background: var(--surface-2); color: var(--text-2);
}
.alert .icon { margin-top: 2px; }
.alert-success { background: var(--success-soft); color: var(--success); }
.alert-error { background: var(--danger-soft); color: var(--danger); }
.alert-warning { background: var(--warning-soft); color: var(--warning); }
.alert-info { background: var(--accent-soft); color: var(--accent); }

/* ---------- Texte riche (descriptions) ---------- */
.prose { color: var(--text-2); display: grid; gap: 12px; }
.prose h3 { font-size: 1.05rem; color: var(--text); margin-top: 8px; }
.prose ul, .prose ol { padding-left: 1.25em; display: grid; gap: 5px; }
.prose li::marker { color: var(--accent); }
.prose strong { color: var(--text); }
.prose a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- Animations d'apparition ---------- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
    .js .reveal { opacity: 1; transform: none; }
}

@media (max-width: 880px) {
    .hide-mobile { display: none !important; }
}

@media (max-width: 640px) {
    :root { --gutter: 16px; }
    .form-grid { grid-template-columns: 1fr; }
}