/* ═══════════════════════════════════════════════════════════════
   GOTHAM ANALYTICS — DARK KNIGHT THEME
   "I am the night."
   ═══════════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600;700;900&family=Oswald:wght@300;400;500;600;700&family=Share+Tech+Mono&display=swap');

/* ─── BATMAN CSS VARIABLES ─── */
:root {
    --bat-black:         #030303;
    --bat-dark:          #080808;
    --bat-surface-1:     #0c0c0c;
    --bat-surface-2:     #111111;
    --bat-surface-3:     #161616;
    --bat-surface-4:     #1e1e1e;
    --bat-surface-5:     #252525;

    --bat-yellow:        #f5c518;
    --bat-yellow-light:  #ffd94a;
    --bat-yellow-dark:   #c9a010;
    --bat-yellow-muted:  #8a6b00;
    --bat-yellow-glow:   rgba(245, 197, 24, 0.25);
    --bat-yellow-bg:     rgba(245, 197, 24, 0.06);
    --bat-yellow-mid:    rgba(245, 197, 24, 0.12);

    --gotham-blue:       #0a1628;
    --gotham-blue-mid:   #0d2244;

    --bat-red:           #8b1010;
    --bat-red-light:     #c0392b;
    --bat-red-glow:      rgba(139, 16, 16, 0.4);
    --bat-green:         #0f6e2f;
    --bat-green-light:   #27ae60;

    --text-primary:      #e8e8e8;
    --text-secondary:    #888888;
    --text-dim:          #555555;
    --text-bat:          #f5c518;

    --border-subtle:     rgba(245, 197, 24, 0.08);
    --border-dim:        rgba(245, 197, 24, 0.15);
    --border-mid:        rgba(245, 197, 24, 0.28);
    --border-bright:     rgba(245, 197, 24, 0.55);

    --shadow-glow-sm:    0 0 10px rgba(245, 197, 24, 0.15), 0 0 20px rgba(245, 197, 24, 0.05);
    --shadow-glow-md:    0 0 20px rgba(245, 197, 24, 0.3), 0 0 40px rgba(245, 197, 24, 0.1);
    --shadow-glow-lg:    0 0 40px rgba(245, 197, 24, 0.5), 0 0 80px rgba(245, 197, 24, 0.2);

    --gradient-gold:     linear-gradient(135deg, #c9a010, #f5c518, #ffd94a);
    --gradient-dark:     linear-gradient(135deg, #0c0c0c, #1a1a1a);
    --gradient-bat:      linear-gradient(135deg, #f5c518 0%, #c9a010 60%, #8a6b00 100%);

    --font-gothic:       'Cinzel', 'Georgia', serif;
    --font-ui:           'Oswald', 'Impact', sans-serif;
    --font-mono:         'Share Tech Mono', 'Courier New', monospace;
}

/* ─── GLOBAL RESET ─── */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

html, body {
    margin: 0;
    padding: 0;
    font-family: var(--font-ui);
    background: var(--bat-black);
    color: var(--text-primary);
    line-height: 1.6;
    letter-spacing: 0.025em;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ─── BAT SIGNAL BACKGROUND ─── */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: -2;
    background:
        radial-gradient(ellipse 70% 50% at 50% -5%, rgba(245, 197, 24, 0.07) 0%, transparent 65%),
        radial-gradient(ellipse at 0% 100%, rgba(10, 22, 40, 0.6) 0%, transparent 50%),
        radial-gradient(ellipse at 100% 80%, rgba(10, 22, 40, 0.4) 0%, transparent 50%);
    pointer-events: none;
}

/* ─── GOTHAM HEXAGONAL GRID ─── */
body::after {
    content: '';
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: -1;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='100'%3E%3Crect width='56' height='100' fill='none'/%3E%3Cpath d='M28 66L0 50V16L28 0l28 16v34L28 66zM28 100L0 84V66l28 16 28-16v18L28 100z' stroke='rgba(245%2C197%2C24%2C0.03)' fill='none' stroke-width='0.6'/%3E%3C/svg%3E");
    background-size: 56px 100px;
    pointer-events: none;
}

/* ─── BATMAN SCROLLBAR ─── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bat-surface-1); }
::-webkit-scrollbar-thumb { background: var(--bat-yellow-dark); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--bat-yellow); box-shadow: 0 0 6px var(--bat-yellow-glow); }

/* ─── LINKS ─── */
a, .btn-link {
    color: var(--bat-yellow);
    text-decoration: none;
    transition: all 0.3s ease;
}
a:hover {
    color: var(--bat-yellow-light);
    text-shadow: 0 0 8px var(--bat-yellow-glow);
}

/* ─── BUTTONS ─── */
.btn-primary {
    background: var(--gradient-bat);
    color: var(--bat-black);
    border: none;
    font-family: var(--font-ui);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.65rem 1.75rem;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-glow-sm);
}
.btn-primary:hover {
    box-shadow: var(--shadow-glow-md);
    transform: translateY(-2px);
    filter: brightness(1.1);
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.15rem rgba(245, 197, 24, 0.35);
    outline: none;
}

/* ─── TYPOGRAPHY ─── */
h1, h2, h3 {
    font-family: var(--font-gothic);
    letter-spacing: 0.06em;
    color: var(--text-primary);
}

/* ─── GLOBAL TABLES ─── */
table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bat-surface-2);
    border-radius: 4px;
    overflow: hidden;
}
th {
    background: linear-gradient(90deg, var(--bat-surface-3), var(--bat-surface-4));
    color: var(--bat-yellow);
    font-family: var(--font-gothic);
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-size: 0.8em;
    padding: 13px 15px;
    border-bottom: 1px solid var(--bat-yellow-dark);
    text-shadow: 0 0 12px var(--bat-yellow-glow);
    border: 1px solid var(--border-subtle);
}
td {
    padding: 12px 15px;
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.9em;
    transition: all 0.2s ease;
}
tr:nth-child(even) td { background: rgba(245, 197, 24, 0.015); }
tr:hover td { background: var(--bat-yellow-bg); cursor: pointer; }

/* ─── FORM ELEMENTS ─── */
select, input[type="text"], input[type="search"] {
    background: var(--bat-surface-2);
    color: var(--text-primary);
    border: 1px solid var(--border-mid);
    border-radius: 3px;
    padding: 0.5rem 1rem;
    font-family: var(--font-ui);
    font-size: 0.9rem;
    outline: none;
    transition: all 0.3s ease;
}
select:hover, input:hover { border-color: var(--bat-yellow-dark); }
select:focus, input:focus { border-color: var(--bat-yellow); box-shadow: 0 0 0 2px var(--bat-yellow-glow); }
option { background: var(--bat-surface-2); color: var(--text-primary); }

.content { padding-top: 1.1rem; }
h1:focus { outline: none; }

/* ─── VALIDATION ─── */
.valid.modified:not([type=checkbox]) { outline: 1px solid var(--bat-green); }
.invalid { outline: 1px solid var(--bat-red); }
.validation-message { color: #ff6666; }

/* ─── ERROR BOUNDARY ─── */
.blazor-error-boundary {
    background: rgba(139, 16, 16, 0.12);
    border-left: 3px solid var(--bat-red-light);
    padding: 1rem 1rem 1rem 3.7rem;
    color: #ff8888;
    border-radius: 4px;
}
.blazor-error-boundary::after {
    content: "⚠ SYSTEM FAILURE. Gotham needs the Dark Knight.";
    font-family: var(--font-gothic);
}

.darker-border-checkbox.form-check-input {
    border-color: var(--border-bright);
    background-color: var(--bat-surface-2);
}

/* ─── BATMAN KEYFRAMES ─── */
@keyframes bat-pulse { 0%, 100% { opacity: 0.5; } 50% { opacity: 1; } }
@keyframes gotham-glow { 0%, 100% { box-shadow: var(--shadow-glow-sm); } 50% { box-shadow: var(--shadow-glow-md); } }
@keyframes bat-spin { to { transform: rotate(360deg); } }
@keyframes rise-from-darkness { 0% { opacity: 0; transform: translateY(16px); } 100% { opacity: 1; transform: translateY(0); } }
@keyframes signal-sweep { 0% { opacity: 0; transform: translateX(-100%) skewX(-15deg); } 50% { opacity: 1; } 100% { opacity: 0; transform: translateX(300%) skewX(-15deg); } }