/* ============================================================
   PRECISION SHOT ANALYTICS — TACTICAL DARK THEME
   Palette: Near-black bg | Amber accent | Off-white text
   Fonts:   Bebas Neue (display) | DM Sans (body) | IBM Plex Mono (data)
   ============================================================ */

:root {
    --bg-base:      #0e1012;
    --bg-surface:   #161a1e;
    --bg-raised:    #1e2429;
    --bg-hover:     #252c33;
    --border:       #2a3038;
    --border-light: #323a44;

    --accent:       #c8923a;
    --accent-dim:   #9a6e2a;
    --accent-glow:  rgba(200, 146, 58, 0.15);

    --text-primary:   #e8e4dc;
    --text-secondary: #8a9099;
    --text-muted:     #555d66;

    --red:    #d94040;
    --green:  #3a9e6a;
    --blue:   #3a7fd9;

    --font-display: 'Bebas Neue', sans-serif;
    --font-body:    'DM Sans', sans-serif;
    --font-mono:    'IBM Plex Mono', monospace;

    --sidebar-w: 230px;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.6);
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: #e0a84a; }

h1, h2, h3 { font-family: var(--font-display); letter-spacing: 0.05em; color: var(--text-primary); }
h4, h5, h6 { font-family: var(--font-body); font-weight: 600; color: var(--text-primary); }

.mono-text { font-family: var(--font-mono); }

/* ── App Layout ───────────────────────────────────────────── */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* ── Sidebar ──────────────────────────────────────────────── */
.sidebar {
    width: var(--sidebar-w);
    min-height: 100vh;
    background-color: var(--bg-surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    padding: 0 0 16px 0;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 24px 20px 20px;
    border-bottom: 1px solid var(--border);
}

.brand-icon {
    font-size: 1.8rem;
    color: var(--accent);
    line-height: 1;
}

.brand-text {
    font-family: var(--font-display);
    font-size: 1.05rem;
    line-height: 1.15;
    letter-spacing: 0.08em;
    color: var(--text-primary);
}

.brand-sub {
    font-size: 0.65rem;
    color: var(--accent);
    letter-spacing: 0.12em;
}

.sidebar-divider {
    height: 1px;
    background: var(--border);
    margin: 12px 0;
}

.sidebar-section-label {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    letter-spacing: 0.14em;
    color: var(--text-muted);
    padding: 4px 20px 8px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    color: var(--text-secondary);
    font-size: 0.88rem;
    font-weight: 500;
    transition: all 0.15s ease;
    border-left: 3px solid transparent;
    margin: 1px 0;
}

.sidebar-link i { font-size: 1rem; width: 18px; text-align: center; }

.sidebar-link:hover {
    color: var(--text-primary);
    background-color: var(--bg-hover);
    border-left-color: var(--border-light);
}

.sidebar-link.active {
    color: var(--accent);
    background-color: var(--accent-glow);
    border-left-color: var(--accent);
}

.sidebar-link--danger { color: #7a4040; }
.sidebar-link--danger:hover { color: var(--red); background-color: rgba(217,64,64,0.08); border-left-color: var(--red); }

.sidebar-footer {
    margin-top: auto;
    padding: 16px 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
}

.sidebar-user {
    color: var(--accent);
    font-size: 0.7rem;
    letter-spacing: 0.06em;
}

/* ── Main Content ─────────────────────────────────────────── */
.main-content {
    margin-left: var(--sidebar-w);
    flex: 1;
    min-height: 100vh;
    background-color: var(--bg-base);
}

.content-inner {
    padding: 36px 40px;
    max-width: 1400px;
}

/* ── Page Headers ─────────────────────────────────────────── */
.page-header {
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.page-header h2 {
    font-size: 2.4rem;
    line-height: 1;
    margin-bottom: 6px;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

/* ── Stat / KPI Cards ─────────────────────────────────────── */
.stat-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    position: relative;
    overflow: hidden;
    transition: border-color 0.2s, transform 0.2s;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 3px; height: 100%;
    background: var(--accent);
}

.stat-card:hover {
    border-color: var(--border-light);
    transform: translateY(-2px);
}

.stat-label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 8px;
}

.stat-value {
    font-family: var(--font-mono);
    font-size: 2.2rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-unit {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--accent);
    letter-spacing: 0.08em;
}

/* Score ring variant */
.stat-card--score .stat-value { color: var(--accent); font-size: 2.8rem; }

/* ── Chart / Panel Cards ──────────────────────────────────── */
.panel {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.panel-header {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
}

.panel-header h5 {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin: 0;
}

.panel-header i { color: var(--accent); font-size: 0.95rem; }

.panel-body { padding: 20px; }

/* ── Session Cards (Dashboard) ────────────────────────────── */
.session-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.session-card:hover {
    border-color: var(--accent-dim);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.session-card__header {
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-bottom: 1px solid var(--border);
    background: var(--bg-raised);
}

.session-date {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--accent);
    font-weight: 600;
}

.session-firearm {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

.session-score-badge {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-glow);
    border: 1px solid var(--accent-dim);
    border-radius: var(--radius-sm);
    padding: 4px 10px;
    white-space: nowrap;
}

.session-card__image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.session-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.session-card:hover .session-card__image img {
    transform: scale(1.03);
}

.session-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(14,16,18,0.9) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: 14px;
    opacity: 0;
    transition: opacity 0.25s ease;
}

.session-card:hover .session-card__overlay { opacity: 1; }

.overlay-cta {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    color: var(--accent);
}

.session-card__footer {
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.session-meta {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.session-meta span {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-secondary);
}

.session-meta .val { color: var(--text-primary); }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
    transition: all 0.15s ease;
    border: 1px solid transparent;
    letter-spacing: 0.02em;
}

.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #0e1012;
}
.btn-primary:hover { background: #e0a84a; border-color: #e0a84a; color: #0e1012; }

.btn-secondary {
    background: var(--bg-raised);
    border-color: var(--border-light);
    color: var(--text-secondary);
}
.btn-secondary:hover { background: var(--bg-hover); color: var(--text-primary); border-color: var(--accent-dim); }

.btn-success {
    background: transparent;
    border-color: var(--green);
    color: var(--green);
}
.btn-success:hover { background: rgba(58,158,106,0.12); color: var(--green); border-color: var(--green); }

.btn-danger {
    background: transparent;
    border-color: var(--red);
    color: var(--red);
}
.btn-danger:hover { background: rgba(217,64,64,0.12); color: var(--red); border-color: var(--red); }

.btn i { margin-right: 5px; }

/* ── Forms ────────────────────────────────────────────────── */
.form-label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 6px;
    display: block;
}

.form-control, .form-select {
    background: var(--bg-raised);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    padding: 10px 14px;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form-control:focus, .form-select:focus {
    background: var(--bg-raised);
    border-color: var(--accent);
    color: var(--text-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
    outline: none;
}

.form-control::placeholder { color: var(--text-muted); }

.form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%238a9099' d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
}

.form-text { font-size: 0.78rem; color: var(--text-muted); margin-top: 4px; }

/* File input */
.form-control[type="file"] { padding: 8px 14px; cursor: pointer; }
.form-control[type="file"]::-webkit-file-upload-button {
    background: var(--bg-hover);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    cursor: pointer;
    margin-right: 12px;
    transition: all 0.15s;
}
.form-control[type="file"]::-webkit-file-upload-button:hover {
    background: var(--accent-glow);
    border-color: var(--accent);
    color: var(--accent);
}

/* Required asterisk */
.req { color: var(--accent); }

/* ── Auth Pages (login / register) ────────────────────────── */
.auth-layout {
    background: var(--bg-base);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.auth-layout::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 30% 40%, rgba(200,146,58,0.06) 0%, transparent 60%),
        radial-gradient(ellipse 40% 60% at 80% 70%, rgba(200,146,58,0.04) 0%, transparent 50%);
    pointer-events: none;
}

.auth-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 44px;
    width: 100%;
    max-width: 420px;
    position: relative;
    box-shadow: var(--shadow-lg);
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0; left: 50%; transform: translateX(-50%);
    width: 60px; height: 2px;
    background: var(--accent);
    border-radius: 0 0 2px 2px;
}

.auth-logo {
    text-align: center;
    margin-bottom: 28px;
}

.auth-logo .logo-icon {
    font-size: 2rem;
    color: var(--accent);
    display: block;
    margin-bottom: 8px;
}

.auth-logo h1 {
    font-size: 1.8rem;
    letter-spacing: 0.1em;
    margin: 0;
}

.auth-logo p {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-muted);
    letter-spacing: 0.15em;
    margin-top: 4px;
}

.auth-divider {
    text-align: center;
    margin-top: 20px;
    font-size: 0.83rem;
    color: var(--text-muted);
}

.auth-divider a { color: var(--accent); }

/* ── Alerts ───────────────────────────────────────────────── */
.alert {
    border-radius: var(--radius-md);
    border: 1px solid;
    padding: 12px 16px;
    font-size: 0.88rem;
}
.alert-info {
    background: rgba(58,127,217,0.08);
    border-color: rgba(58,127,217,0.3);
    color: #7ab4f0;
}
.alert-danger {
    background: rgba(217,64,64,0.08);
    border-color: rgba(217,64,64,0.3);
    color: #f08080;
}
.alert-success {
    background: rgba(58,158,106,0.08);
    border-color: rgba(58,158,106,0.3);
    color: #6ed4a0;
}

/* ── Results page specific ────────────────────────────────── */
.score-ring-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.score-ring {
    position: relative;
    width: 130px;
    height: 130px;
}

.score-ring svg { transform: rotate(-90deg); }

.score-ring__value {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.score-ring__num {
    font-family: var(--font-mono);
    font-size: 1.9rem;
    font-weight: 600;
    color: var(--accent);
    line-height: 1;
}

.score-ring__label {
    font-family: var(--font-mono);
    font-size: 0.58rem;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-top: 4px;
}

.result-stat {
    text-align: center;
    padding: 0 16px;
}

.result-stat__val {
    font-family: var(--font-mono);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1;
}

.result-stat__label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-top: 6px;
}

/* ── Annotated image ──────────────────────────────────────── */
.annotated-wrap {
    background: #000;
    border-radius: var(--radius-md);
    overflow: hidden;
    text-align: center;
}

.annotated-wrap img {
    max-height: 800px;
    width: auto;
    max-width: 100%;
    display: inline-block;
}

/* ── Iframe plot container ────────────────────────────────── */
.plot-frame {
    width: 100%;
    height: 720px;
    border: none;
    background: transparent;
    display: block;
}

/* ── Firearm table ────────────────────────────────────────── */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.data-table th {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    white-space: nowrap;
}

.data-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    vertical-align: middle;
}

.data-table tr:last-child td { border-bottom: none; }

.data-table tr:hover td { background: var(--bg-raised); color: var(--text-primary); }

.data-table .td-primary { color: var(--text-primary); font-weight: 500; }

/* ── Misc utilities ───────────────────────────────────────── */
.tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.06em;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    background: var(--bg-hover);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
}

.tag--accent {
    background: var(--accent-glow);
    border-color: var(--accent-dim);
    color: var(--accent);
}

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