/* ============================================================
   Géosciences ENS – Admin Docs  |  style.css
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600;700&family=DM+Mono:wght@400;500&display=swap');

/* ---- Variables ------------------------------------------- */
:root {
    --primary:        #2563eb;
    --primary-dark:   #1d4ed8;
    --primary-light:  #3b82f6;
    --primary-glow:   rgba(37, 99, 235, 0.18);

    --accent:         #0ea5e9;
    --danger:         #ef4444;
    --danger-bg:      rgba(239, 68, 68, 0.08);
    --success:        #10b981;

    --dark:           #1e293b;
    --mid:            #475569;
    --muted:          #94a3b8;
    --border:         #e2e8f0;
    --bg:             #f1f5f9;
    --surface:        #ffffff;
    --surface-2:      #f8fafc;

    --radius-sm:      8px;
    --radius:         12px;
    --radius-lg:      18px;
    --shadow-sm:      0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.05);
    --shadow:         0 4px 16px rgba(0,0,0,.08), 0 1px 3px rgba(0,0,0,.05);
    --shadow-lg:      0 12px 40px rgba(0,0,0,.10), 0 2px 8px rgba(0,0,0,.06);
}

/* ---- Reset / Base ---------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

body {
    font-family: 'DM Sans', system-ui, sans-serif;
    background: var(--bg);
    color: var(--dark);
    margin: 0;
    padding: 2rem;
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ---- Main container -------------------------------------- */
.container {
    max-width: 900px;
    margin: 0 auto;
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    overflow: hidden;
}

/* ---- Header -------------------------------------------- */
.page-header {
    background: linear-gradient(135deg, var(--dark) 0%, #2d3f5f 100%);
    padding: 2rem 2.5rem 1.6rem;
    display: flex;
    align-items: center;
    gap: 14px;
}

.page-header .icon {
    width: 44px;
    height: 44px;
    background: rgba(255,255,255,.12);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.page-header h1 {
    margin: 0;
    font-size: 1.35rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -.01em;
}

.page-header p {
    margin: 2px 0 0;
    font-size: .82rem;
    color: rgba(255,255,255,.55);
    font-weight: 400;
}

/* ---- Breadcrumb / path ---------------------------------- */
.breadcrumb {
    padding: .9rem 2.5rem;
    background: var(--surface-2);
    border-bottom: 1px solid var(--border);
    font-size: .82rem;
    color: var(--muted);
    font-family: 'DM Mono', monospace;
    display: flex;
    align-items: center;
    gap: 6px;
}

.breadcrumb .sep { color: var(--border); }

/* ---- Toolbar ------------------------------------------- */
.toolbar {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    padding: 1.4rem 2.5rem;
    border-bottom: 1px solid var(--border);
    background: var(--surface);
    align-items: flex-end;
}

.toolbar form {
    display: flex;
    gap: .5rem;
    align-items: center;
    flex-wrap: nowrap;
}

.toolbar input[type="text"],
.toolbar input[type="file"] {
    height: 40px;
    padding: 0 12px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: .88rem;
    font-family: inherit;
    color: var(--dark);
    background: var(--surface-2);
    transition: border-color .2s, box-shadow .2s;
    outline: none;
}

.toolbar input[type="file"] {
    padding: 0 10px;
    cursor: pointer;
    font-size: .82rem;
    color: var(--mid);
}

.toolbar input[type="text"]:focus,
.toolbar input[type="file"]:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
    background: var(--surface);
}

.toolbar input[type="text"]::placeholder { color: var(--muted); }

/* ---- Buttons ------------------------------------------- */
button {
    height: 40px;
    padding: 0 1.1rem;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--primary);
    color: white;
    font-family: inherit;
    font-size: .88rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: background .2s, transform .15s, box-shadow .2s;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(37,99,235,.25);
}

button:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(37,99,235,.3);
}

button:active {
    transform: translateY(0);
}

/* ---- File list ----------------------------------------- */
.files {
    list-style: none;
    padding: 0;
    margin: 0;
}

.files li {
    display: flex;
    align-items: center;
    padding: .75rem 2.5rem;
    border-bottom: 1px solid var(--border);
    gap: .75rem;
    transition: background .15s;
}

.files li:last-child { border-bottom: none; }
.files li:hover { background: var(--surface-2); }

.files .item-icon {
    font-size: 1.15rem;
    flex-shrink: 0;
    width: 28px;
    text-align: center;
}

.files a {
    text-decoration: none;
    color: var(--dark);
    font-size: .9rem;
    font-weight: 500;
    flex: 1;
    transition: color .15s;
}

.files a:hover { color: var(--primary); }

/* Back link */
.files li.back-link a {
    color: var(--mid);
    font-size: .85rem;
    font-weight: 400;
}

.files li.back-link a:hover { color: var(--primary); }

/* Delete button */
a.delete {
    font-size: .8rem;
    color: var(--muted);
    text-decoration: none;
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: transparent;
    transition: all .2s;
    flex-shrink: 0;
    white-space: nowrap;
}

a.delete:hover {
    color: var(--danger);
    border-color: var(--danger);
    background: var(--danger-bg);
}

/* ---- Empty state --------------------------------------- */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--muted);
}

.empty-state .big-icon { font-size: 3rem; margin-bottom: 1rem; }
.empty-state p { font-size: .9rem; margin: 0; }

/* ============================================================
   LOGIN PAGE  (overrides / extensions)
   ============================================================ */
body.login-page {
    background: linear-gradient(135deg, #e8edf5 0%, #dde3ef 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.login-container {
    width: 100%;
    max-width: 420px;
}

.login-box {
    background: rgba(255,255,255,.97);
    border-radius: var(--radius-lg);
    padding: 2.6rem 2.4rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0,0,0,.04);
}

.login-box .logo-row {
    text-align: center;
    margin-bottom: 2rem;
}

.login-box .logo-icon {
    width: 58px;
    height: 58px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: white;
    box-shadow: 0 6px 20px rgba(37,99,235,.3);
    margin-bottom: 1rem;
}

.login-box h2 {
    color: var(--dark);
    text-align: center;
    margin: 0 0 .4rem;
    font-size: 1.25rem;
    font-weight: 700;
}

.login-box .subtitle {
    text-align: center;
    font-size: .83rem;
    color: var(--muted);
    margin: 0 0 2rem;
}

.form-group {
    margin-bottom: 1.1rem;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 7px;
    margin-bottom: 7px;
    font-size: .87rem;
    font-weight: 600;
    color: var(--dark);
}

.form-group label i { color: var(--primary); font-size: .85rem; }

.form-group input {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: .95rem;
    font-family: inherit;
    background: var(--surface-2);
    color: var(--dark);
    transition: all .25s;
    outline: none;
}

.form-group input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
    background: var(--surface);
}

.btn-login {
    display: block;
    width: 100%;
    padding: 12px;
    margin-top: 1.4rem;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: .95rem;
    font-weight: 700;
    cursor: pointer;
    border: none;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    letter-spacing: .01em;
    box-shadow: 0 4px 14px rgba(37,99,235,.28);
    transition: all .25s;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(37,99,235,.35);
}

.output.error {
    padding: 11px 14px;
    border-radius: var(--radius-sm);
    margin-bottom: 1.2rem;
    font-size: .87rem;
    background: var(--danger-bg);
    border: 1px solid rgba(239,68,68,.25);
    color: var(--danger);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ---- Responsive ---------------------------------------- */
@media (max-width: 600px) {
    body { padding: .8rem; }

    .page-header { padding: 1.4rem 1.2rem; }
    .breadcrumb  { padding: .7rem 1.2rem; }
    .toolbar     { padding: 1rem 1.2rem; }
    .files li    { padding: .7rem 1.2rem; }

    .toolbar { flex-direction: column; align-items: stretch; }
    .toolbar form { flex-wrap: wrap; }
}