/* ==========================================================================
   TeraDrive Capital Vault — tema "investment bank"
   Palette: blu navy profondo + oro, tipografia serif per i titoli.
   ========================================================================== */

:root {
    --navy-950: #060c18;
    --navy-900: #0a1628;
    --navy-800: #0d2340;
    --navy-700: #14315c;
    --navy-600: #1c4177;
    --gold-500: #c5a572;
    --gold-400: #d8bd8e;
    --gold-600: #a98442;
    --paper: #f7f6f2;
    --paper-dark: #ece9e1;
    --ink: #1b2230;
    --ink-light: #5b6472;
    --border: #dcd6c8;
    --success: #1e6b45;
    --danger: #9c2b2b;
    --radius: 3px;
    --shadow-card: 0 1px 3px rgba(10, 22, 40, 0.08), 0 8px 24px rgba(10, 22, 40, 0.06);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: "Inter", "Segoe UI", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.5;
}

h1, h2, h3, h4, .brand-font {
    font-family: "Playfair Display", Georgia, "Times New Roman", serif;
    font-weight: 700;
    color: var(--navy-900);
    letter-spacing: 0.2px;
}

a { color: var(--navy-700); text-decoration: none; }
a:hover { color: var(--gold-600); }

/* ---------- Layout shell ---------- */
.topbar {
    background: linear-gradient(180deg, var(--navy-950) 0%, var(--navy-900) 100%);
    border-bottom: 3px solid var(--gold-500);
    color: #fff;
}
.topbar-inner {
    max-width: 1180px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
}
.brand-mark {
    width: 34px; height: 34px;
    border: 2px solid var(--gold-500);
    display: flex; align-items: center; justify-content: center;
    font-family: "Playfair Display", serif;
    font-weight: 700;
    color: var(--gold-500);
    border-radius: 2px;
}
.brand-text .name {
    font-family: "Playfair Display", Georgia, serif;
    font-size: 19px;
    font-weight: 700;
    color: #fff;
    line-height: 1.1;
}
.brand-text .tagline {
    font-size: 10.5px;
    letter-spacing: 1.8px;
    text-transform: uppercase;
    color: var(--gold-400);
}
.topnav { display: flex; align-items: center; gap: 22px; }
.topnav a {
    color: #cfd8e6;
    font-size: 13.5px;
    letter-spacing: 0.4px;
    text-transform: uppercase;
}
.topnav a:hover { color: var(--gold-400); }
.topnav .user-chip {
    color: #fff;
    font-size: 13px;
    border-left: 1px solid rgba(255,255,255,0.2);
    padding-left: 18px;
}

.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 36px 24px 64px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 28px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 16px;
}
.page-header h1 { margin: 0 0 4px; font-size: 26px; }
.page-header .subtitle { color: var(--ink-light); font-size: 13.5px; }

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 1.6px;
    font-size: 11px;
    color: var(--gold-600);
    font-weight: 600;
    margin-bottom: 6px;
}

/* ---------- Cards ---------- */
.card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    padding: 28px;
    margin-bottom: 24px;
}
.card-title {
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--navy-800);
    margin: 0 0 18px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
    font-family: "Inter", sans-serif;
    font-weight: 700;
}
.grid-2 { display: grid; grid-template-columns: 2fr 1fr; gap: 24px; }
@media (max-width: 860px) { .grid-2 { grid-template-columns: 1fr; } }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: var(--radius);
    border: 1px solid transparent;
    font-size: 13.5px;
    font-weight: 600;
    letter-spacing: 0.4px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.15s ease;
}
.btn-primary { background: var(--navy-900); color: #fff; }
.btn-primary:hover { background: var(--navy-700); color: #fff; }
.btn-gold { background: var(--gold-500); color: var(--navy-950); }
.btn-gold:hover { background: var(--gold-400); color: var(--navy-950); }
.btn-outline { background: transparent; color: var(--navy-900); border-color: var(--navy-900); }
.btn-outline:hover { background: var(--navy-900); color: #fff; }
.btn-danger { background: #fff; color: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-sm { padding: 6px 14px; font-size: 12px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ---------- Forms ---------- */
label { display: block; font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.6px; color: var(--ink-light); margin-bottom: 6px; font-weight: 600; }
input[type=text], input[type=email], input[type=password], input[type=file], select, textarea {
    width: 100%;
    padding: 11px 13px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: #fff;
    font-size: 14px;
    color: var(--ink);
    font-family: inherit;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--gold-600);
    box-shadow: 0 0 0 3px rgba(197, 165, 114, 0.25);
}
.form-group { margin-bottom: 18px; }
.form-actions { margin-top: 24px; }

.auth-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at top, var(--navy-800), var(--navy-950) 70%);
    padding: 24px;
}
.auth-card {
    background: #fff;
    width: 100%;
    max-width: 420px;
    border-radius: var(--radius);
    padding: 40px 36px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.35);
    border-top: 4px solid var(--gold-500);
}
.auth-card .brand { color: var(--navy-900); margin-bottom: 28px; justify-content: center; }
.auth-card .brand-text .name { color: var(--navy-900); }
.auth-card .brand-text .tagline { color: var(--gold-600); }
.auth-footer { text-align: center; margin-top: 20px; font-size: 13px; color: var(--ink-light); }

/* ---------- Tables ---------- */
table { width: 100%; border-collapse: collapse; }
thead th {
    text-align: left;
    font-size: 11.5px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--ink-light);
    border-bottom: 2px solid var(--navy-900);
    padding: 10px 12px;
}
tbody td { padding: 13px 12px; border-bottom: 1px solid var(--border); font-size: 14px; vertical-align: middle; }
tbody tr:hover { background: var(--paper-dark); }
.file-name { font-weight: 600; color: var(--navy-900); }
.text-muted { color: var(--ink-light); font-size: 12.5px; }

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    font-weight: 700;
}
.badge-success { background: #e5f1ea; color: var(--success); }
.badge-danger { background: #f7e6e6; color: var(--danger); }
.badge-gold { background: #f6efe1; color: var(--gold-600); }

/* ---------- Quota / progress ---------- */
.quota-bar {
    height: 10px;
    border-radius: 6px;
    background: var(--paper-dark);
    overflow: hidden;
    border: 1px solid var(--border);
}
.quota-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--gold-600), var(--gold-400));
}
.quota-bar-fill.warn { background: linear-gradient(90deg, #9c2b2b, #c15a5a); }
.quota-meta { display: flex; justify-content: space-between; font-size: 12.5px; color: var(--ink-light); margin-top: 8px; }

/* ---------- Upload dropzone ---------- */
.dropzone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 36px 20px;
    text-align: center;
    color: var(--ink-light);
    background: var(--paper);
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease;
}
.dropzone.dragover { border-color: var(--gold-500); background: #fbf7ee; }
.dropzone strong { color: var(--navy-900); }
.progress-track { height: 6px; background: var(--paper-dark); border-radius: 4px; overflow: hidden; margin-top: 10px; display: none; }
.progress-fill { height: 100%; width: 0; background: var(--navy-800); transition: width 0.2s ease; }

/* ---------- Alerts ---------- */
.alert { padding: 13px 16px; border-radius: var(--radius); margin-bottom: 16px; font-size: 13.5px; border: 1px solid transparent; }
.alert-success { background: #e5f1ea; color: var(--success); border-color: #bfdfcc; }
.alert-danger { background: #f7e6e6; color: var(--danger); border-color: #e6bcbc; }
.alert-info { background: #eef2f8; color: var(--navy-800); border-color: #cdd9ea; }

/* ---------- Stat cards (admin) ---------- */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 24px; }
@media (max-width: 900px) { .stat-grid { grid-template-columns: repeat(2, 1fr); } }
.stat-card {
    background: var(--navy-900);
    color: #fff;
    padding: 22px;
    border-radius: var(--radius);
    border-bottom: 3px solid var(--gold-500);
}
.stat-card .value { font-family: "Playfair Display", serif; font-size: 28px; font-weight: 700; }
.stat-card .label { font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.8px; color: var(--gold-400); margin-top: 4px; }

.footer-note {
    text-align: center;
    color: var(--ink-light);
    font-size: 11.5px;
    letter-spacing: 0.4px;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.actions-cell { display: flex; gap: 8px; }
.empty-state { text-align: center; padding: 48px 20px; color: var(--ink-light); }