/* ═══════════════════════════════════════════════════════════
   TargetScan Web – Main Stylesheet
   Theme: Dark Tactical Precision
═══════════════════════════════════════════════════════════ */

/* ── Variables ──────────────────────────────────────────── */
:root {
    --bg:           #07090e;
    --surface:      #0d1420;
    --card:         #101826;
    --card-hover:   #141e2e;
    --border:       #1c2d42;
    --border-light: #243548;

    --accent:       #c8801e;
    --accent-soft:  rgba(200,128,30,.15);
    --accent-glow:  rgba(200,128,30,.25);
    --gold:         #e8c040;
    --gold-soft:    rgba(232,192,64,.15);

    --blue:         #3875c0;
    --blue-soft:    rgba(56,117,192,.15);

    --green:        #28a870;
    --green-soft:   rgba(40,168,112,.15);
    --red:          #c83838;
    --red-soft:     rgba(200,56,56,.15);

    --text:         #a8bdd0;
    --text-strong:  #d4e4f0;
    --text-dim:     #486078;
    --text-muted:   #2d4560;

    --ff-head:   'Orbitron', monospace;
    --ff-mono:   'Share Tech Mono', monospace;
    --ff-body:   'Barlow', sans-serif;
    --ff-cond:   'Barlow Condensed', sans-serif;

    --radius:    6px;
    --radius-lg: 10px;
    --shadow:    0 4px 24px rgba(0,0,0,.5);
    --shadow-sm: 0 2px 8px  rgba(0,0,0,.4);
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--ff-body);
    font-size: .9375rem;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-image:
        radial-gradient(ellipse 60% 40% at 50% -10%, rgba(56,117,192,.07) 0%, transparent 60%),
        repeating-linear-gradient(0deg, transparent, transparent 39px, rgba(255,255,255,.015) 40px),
        repeating-linear-gradient(90deg, transparent, transparent 39px, rgba(255,255,255,.015) 40px);
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--text-strong); }

/* ── Navbar ─────────────────────────────────────────────── */
.navbar {
    position: sticky; top: 0; z-index: 100;
    display: flex; align-items: center; gap: 1.5rem;
    padding: .75rem 2rem;
    background: rgba(7,9,14,.92);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.nav-brand {
    display: flex; align-items: center; gap: .5rem;
    color: var(--text-strong); font-family: var(--ff-head);
    font-size: .7rem; letter-spacing: .15em;
    flex-shrink: 0;
}
.brand-icon {
    font-size: 1.4rem; color: var(--accent);
    animation: pulse 3s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.5} }
.brand-name { font-size: .8rem; font-weight: 700; letter-spacing: .1em; }
.brand-name span { color: var(--accent); }
.brand-sub { font-size: .55rem; color: var(--text-dim); letter-spacing: .2em; margin-left: .2rem; }

.nav-links { display: flex; gap: .25rem; margin-left: auto; }
.nav-link {
    padding: .4rem .9rem; border-radius: var(--radius);
    color: var(--text-dim); font-family: var(--ff-cond);
    font-size: .875rem; font-weight: 500;
    letter-spacing: .05em; text-transform: uppercase;
    transition: all .2s;
}
.nav-link:hover { color: var(--text); background: rgba(255,255,255,.05); }
.nav-link.active { color: var(--accent); background: var(--accent-soft); }

.nav-toggle { display: none; background: none; border: none; color: var(--text); font-size: 1.25rem; cursor: pointer; }

.nav-mobile-menu {
    display: none; flex-direction: column;
    background: var(--surface); border-bottom: 1px solid var(--border);
    padding: .5rem 1rem;
}
.nav-mobile-menu.open { display: flex; }
.nav-mobile-menu .nav-link { padding: .6rem .75rem; }

/* ── Main content ────────────────────────────────────────── */
.main-content {
    flex: 1;
    max-width: 1400px; width: 100%;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* ── Page header ─────────────────────────────────────────── */
.page-header { margin-bottom: 1.5rem; }
.page-header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.page-title {
    font-family: var(--ff-head);
    font-size: 1.1rem; font-weight: 700;
    color: var(--text-strong); letter-spacing: .1em;
    text-transform: uppercase;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
    padding: .5rem 1.25rem; border-radius: var(--radius);
    font-family: var(--ff-cond); font-size: .875rem;
    font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
    border: 1px solid transparent; cursor: pointer;
    transition: all .2s; white-space: nowrap;
}
.btn-primary {
    background: var(--accent); color: #fff;
    border-color: var(--accent);
}
.btn-primary:hover {
    background: #e09030; color: #fff;
    box-shadow: 0 0 16px var(--accent-glow);
}
.btn-ghost {
    background: transparent; color: var(--text);
    border-color: var(--border);
}
.btn-ghost:hover { background: rgba(255,255,255,.05); color: var(--text-strong); }
.btn-danger {
    background: var(--red-soft); color: var(--red);
    border-color: var(--red);
}
.btn-danger:hover { background: var(--red); color: #fff; }
.btn-full { width: 100%; }

/* ── Cards ───────────────────────────────────────────────── */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
}
.card-wide { grid-column: 1 / -1; }
.card-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 1rem;
}
.card-title {
    font-family: var(--ff-cond); font-size: .95rem;
    font-weight: 600; color: var(--text-strong);
    letter-spacing: .08em; text-transform: uppercase;
}
.card-subtitle { font-size: .75rem; color: var(--text-dim); }
.card-action {
    font-size: .8rem; color: var(--accent);
    font-family: var(--ff-cond); letter-spacing: .05em;
}

/* ── Stats strip ─────────────────────────────────────────── */
.stats-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem; margin-bottom: 1.5rem;
}
.stat-card {
    background: var(--card); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 1rem 1.25rem;
    position: relative; overflow: hidden;
}
.stat-card::before {
    content: ''; position: absolute;
    top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, var(--accent), transparent);
}
.stat-label {
    font-family: var(--ff-cond); font-size: .7rem;
    letter-spacing: .12em; text-transform: uppercase;
    color: var(--text-dim); margin-bottom: .3rem;
}
.stat-value {
    font-family: var(--ff-mono); font-size: 1.9rem;
    color: var(--text-strong); line-height: 1;
}
.stat-value.accent { color: var(--accent); }
.stat-value.gold   { color: var(--gold); }
.stat-card.loading { opacity: .4; }

/* ── Dashboard grid ──────────────────────────────────────── */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.25rem;
}

/* ── Quick start ─────────────────────────────────────────── */
.quick-start { padding-top: .25rem; }
.qs-text { font-size: .875rem; color: var(--text-dim); margin-bottom: 1rem; }

/* ── Session list (dashboard recent) ────────────────────── */
.session-list { display: flex; flex-direction: column; gap: 0; }
.session-row {
    display: grid;
    grid-template-columns: 1fr auto auto auto auto;
    align-items: center; gap: 1rem;
    padding: .75rem 1rem;
    border-top: 1px solid var(--border);
    transition: background .15s; cursor: pointer;
}
.session-row:hover { background: var(--card-hover); }
.session-row:first-child { border-top: none; }
.sr-name { font-weight: 500; color: var(--text-strong); font-size: .9rem; }
.sr-meta { font-size: .78rem; color: var(--text-dim); }
.sr-discipline { font-family: var(--ff-cond); font-size: .75rem; color: var(--text-dim); letter-spacing: .05em; }
.sr-score {
    font-family: var(--ff-mono); font-size: 1.25rem;
    color: var(--accent); font-weight: bold;
}
.sr-x { font-family: var(--ff-mono); font-size: .85rem; color: var(--gold); }
.sr-actions { display: flex; gap: .3rem; }

/* ── Forms ───────────────────────────────────────────────── */
.form-label {
    display: block; font-size: .75rem; font-family: var(--ff-cond);
    letter-spacing: .1em; text-transform: uppercase;
    color: var(--text-dim); margin-bottom: .4rem;
}
.form-group { margin-bottom: .9rem; }
.form-input, .form-select, .form-textarea {
    width: 100%; padding: .5rem .75rem;
    background: var(--bg); color: var(--text-strong);
    border: 1px solid var(--border); border-radius: var(--radius);
    font-family: var(--ff-body); font-size: .9rem;
    transition: border-color .2s;
    appearance: none; -webkit-appearance: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none; border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}
.form-textarea { resize: vertical; min-height: 80px; }
.form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M6 8L0 0h12z' fill='%23486078'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right .75rem center;
    padding-right: 2rem;
    cursor: pointer;
}
.form-actions { margin-top: 1rem; }

/* ── Save status ─────────────────────────────────────────── */
.save-status {
    margin-top: .75rem; padding: .6rem .9rem;
    border-radius: var(--radius); font-size: .85rem;
    display: none;
}
.save-status.success { display: block; background: var(--green-soft); color: var(--green); border: 1px solid var(--green); }
.save-status.error   { display: block; background: var(--red-soft); color: var(--red); border: 1px solid var(--red); }

/* ── Filter bar ──────────────────────────────────────────── */
.filter-bar {
    display: flex; align-items: center; gap: 1rem;
    padding: 1rem 1.25rem; margin-bottom: 1rem;
    background: var(--card); border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    flex-wrap: wrap;
}
.filter-group { display: flex; align-items: center; gap: .6rem; }
.filter-label {
    font-family: var(--ff-cond); font-size: .75rem;
    color: var(--text-dim); letter-spacing: .1em; text-transform: uppercase;
    white-space: nowrap;
}
.filter-count { margin-left: auto; font-size: .8rem; color: var(--text-dim); }

/* ── Sessions table ──────────────────────────────────────── */
.sessions-table { width: 100%; border-collapse: collapse; }
.sessions-table thead tr {
    background: rgba(255,255,255,.03);
    border-bottom: 1px solid var(--border);
}
.sessions-table th {
    padding: .7rem 1.25rem; text-align: left;
    font-family: var(--ff-cond); font-size: .7rem;
    letter-spacing: .12em; text-transform: uppercase;
    color: var(--text-dim); font-weight: 600;
}
.sessions-table td { padding: .75rem 1.25rem; border-bottom: 1px solid rgba(255,255,255,.04); }
.sessions-table tbody tr { cursor: pointer; transition: background .15s; }
.sessions-table tbody tr:hover { background: var(--card-hover); }
.sessions-table tbody tr:last-child td { border-bottom: none; }
.col-score  { font-family: var(--ff-mono); font-size: 1.1rem; color: var(--accent); font-weight: bold; }
.col-x      { font-family: var(--ff-mono); color: var(--gold); }
.col-mr     { font-family: var(--ff-mono); font-size: .85rem; color: var(--text-dim); }
.col-name   { color: var(--text-strong); font-weight: 500; }
.col-disc   { font-family: var(--ff-cond); font-size: .8rem; color: var(--text-dim); letter-spacing: .04em; }
.col-date   { font-size: .85rem; color: var(--text-dim); white-space: nowrap; }
.badge {
    display: inline-block; padding: .2rem .55rem;
    font-family: var(--ff-cond); font-size: .7rem;
    letter-spacing: .08em; border-radius: 3px;
    border: 1px solid; text-transform: uppercase;
}
.badge-issf  { color: var(--blue); border-color: var(--blue); background: var(--blue-soft); }
.badge-knsa  { color: var(--green); border-color: var(--green); background: var(--green-soft); }

/* ── Modal ───────────────────────────────────────────────── */
.modal-overlay {
    position: fixed; inset: 0; z-index: 1000;
    background: rgba(0,0,0,.7); backdrop-filter: blur(4px);
    display: none; align-items: center; justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal {
    background: var(--card); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 2rem;
    max-width: 420px; width: 90%;
    box-shadow: var(--shadow);
}
.modal-title {
    font-family: var(--ff-head); font-size: .9rem;
    color: var(--text-strong); margin-bottom: .75rem;
    letter-spacing: .1em;
}
.modal-text { font-size: .9rem; color: var(--text); margin-bottom: 1.5rem; line-height: 1.6; }
.modal-actions { display: flex; gap: .75rem; justify-content: flex-end; }

/* ── Progress page ───────────────────────────────────────── */
.progress-charts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}
.chart-wrap { position: relative; }

/* ── Mono / accent helpers ───────────────────────────────── */
.mono   { font-family: var(--ff-mono); }
.accent { color: var(--accent); }
.gold   { color: var(--gold); }
.green  { color: var(--green); }
.dim    { color: var(--text-dim); }

/* ── Empty state ─────────────────────────────────────────── */
.empty-state {
    text-align: center; padding: 3rem 1rem;
    color: var(--text-muted); font-family: var(--ff-cond);
    font-size: .9rem; letter-spacing: .05em;
}

/* ── Footer ──────────────────────────────────────────────── */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 1rem 2rem; margin-top: auto;
}
.footer-inner {
    display: flex; align-items: center; gap: .75rem;
    max-width: 1400px; margin: 0 auto;
    font-size: .75rem; color: var(--text-muted);
    font-family: var(--ff-cond); letter-spacing: .05em;
}
.footer-brand { color: var(--text-dim); }
.footer-sep { color: var(--text-muted); }

/* ── Scrollbar ───────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
    .stats-strip { grid-template-columns: repeat(2, 1fr); }
    .dashboard-grid { grid-template-columns: 1fr; }
    .progress-charts-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .main-content { padding: 1rem; }
    .navbar { padding: .6rem 1rem; }
    .nav-links { display: none; }
    .nav-toggle { display: block; }
    .stats-strip { grid-template-columns: repeat(2, 1fr); gap: .75rem; }
    .stat-value { font-size: 1.5rem; }
    .page-header-inner { flex-direction: column; align-items: flex-start; }
    .sessions-table th:nth-child(4),
    .sessions-table td:nth-child(4) { display: none; }
}
@media (max-width: 480px) {
    .stats-strip { grid-template-columns: 1fr 1fr; }
}