/* =====================================================================
   MIR ENGINE — CYBERPUNK INTERFACE
   Design system: terminal HUD · neon cyan/magenta · animated grid · 
   Orbitron display + JetBrains Mono body
   ===================================================================== */

:root {
    /* === COLORS === */
    --void: #04050a;
    --void-2: #070912;
    --surface: #0b0e18;
    --surface-2: #11151f;
    --surface-3: #161b29;
    --border: rgba(0, 255, 209, 0.10);
    --border-hot: rgba(0, 255, 209, 0.28);
    --border-mag: rgba(255, 32, 121, 0.30);

    --cyan: #00ffd1;
    --cyan-dim: #00b894;
    --cyan-glow: rgba(0, 255, 209, 0.45);
    --magenta: #ff2079;
    --magenta-glow: rgba(255, 32, 121, 0.40);
    --amber: #ffb800;
    --red: #ff3a4c;
    --green: #00e676;

    --text: #e7ecf3;
    --text-soft: #b4bcca;
    --text-mute: #6a7484;
    --text-dim: #404a5e;

    /* === TYPOGRAPHY === */
    --font-display: 'Orbitron', 'Arial Black', sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;

    /* === SHADOWS / GLOWS === */
    --glow-cyan-sm: 0 0 8px rgba(0, 255, 209, 0.4);
    --glow-cyan-md: 0 0 18px rgba(0, 255, 209, 0.5), 0 0 36px rgba(0, 255, 209, 0.2);
    --glow-cyan-lg: 0 0 28px rgba(0, 255, 209, 0.6), 0 0 60px rgba(0, 255, 209, 0.3);
    --glow-mag-md: 0 0 18px rgba(255, 32, 121, 0.5), 0 0 36px rgba(255, 32, 121, 0.2);

    /* === LAYOUT === */
    --nav-h: 56px;
    --hud-h: 28px;
    --sidebar-w: 340px;
    --radius: 4px;
    --radius-lg: 8px;
}

/* =====================================================================
   RESET & BASE
   ===================================================================== */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--text);
    background: var(--void);
    overflow: hidden;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

/* =====================================================================
   ANIMATED BACKGROUND — grid + scan + noise
   ===================================================================== */

body::before {
    /* grid */
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 255, 209, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 209, 0.035) 1px, transparent 1px);
    background-size: 44px 44px;
    pointer-events: none;
    z-index: 0;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 90%);
    animation: gridDrift 60s linear infinite;
}

body::after {
    /* scan-line sweep */
    content: '';
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    height: 100vh;
    background: linear-gradient(
        180deg,
        transparent 0%,
        rgba(0, 255, 209, 0.025) 49.5%,
        rgba(0, 255, 209, 0.08) 50%,
        rgba(0, 255, 209, 0.025) 50.5%,
        transparent 100%
    );
    pointer-events: none;
    z-index: 1;
    animation: scanSweep 8s linear infinite;
    mix-blend-mode: screen;
}

@keyframes gridDrift {
    0%   { background-position: 0 0, 0 0; }
    100% { background-position: 44px 44px, 44px 44px; }
}

@keyframes scanSweep {
    0%   { transform: translateY(-100vh); }
    100% { transform: translateY(100vh); }
}

/* atmospheric glow blobs */
.bg-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
    z-index: 0;
    opacity: 0.5;
}
.bg-orb-1 {
    width: 600px;
    height: 600px;
    background: var(--cyan);
    top: -200px;
    right: -200px;
    animation: orbDrift1 24s ease-in-out infinite;
}
.bg-orb-2 {
    width: 500px;
    height: 500px;
    background: var(--magenta);
    bottom: -150px;
    left: -150px;
    animation: orbDrift2 30s ease-in-out infinite;
}

@keyframes orbDrift1 {
    0%, 100% { transform: translate(0, 0); }
    50%      { transform: translate(-80px, 60px); }
}
@keyframes orbDrift2 {
    0%, 100% { transform: translate(0, 0); }
    50%      { transform: translate(60px, -80px); }
}

/* =====================================================================
   TOP HUD STATUS BAR
   ===================================================================== */

.hud-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--hud-h);
    background: rgba(4, 5, 10, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 18px;
    font-family: var(--font-mono);
    font-size: 10.5px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-mute);
    z-index: 100;
    gap: 24px;
}

.hud-bar .hud-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.hud-bar .hud-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 6px var(--cyan);
    animation: hudPulse 2s ease-in-out infinite;
}

.hud-bar .hud-dot.amber { background: var(--amber); box-shadow: 0 0 6px var(--amber); }

.hud-bar .hud-val {
    color: var(--cyan);
}

.hud-bar .hud-spacer { flex: 1; }

@keyframes hudPulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.4; }
}

/* =====================================================================
   NAVBAR
   ===================================================================== */

.top-navbar {
    position: fixed;
    top: var(--hud-h);
    left: 0;
    right: 0;
    height: var(--nav-h);
    background: rgba(7, 9, 18, 0.78);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    z-index: 50;
}

.top-navbar::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 1px;
    background: linear-gradient(90deg,
        transparent 0%,
        var(--cyan) 30%,
        var(--magenta) 70%,
        transparent 100%);
    opacity: 0.45;
}

.nav-brand {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 18px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-brand::before {
    content: '◆';
    color: var(--cyan);
    font-size: 14px;
    animation: brandPulse 3s ease-in-out infinite;
    text-shadow: var(--glow-cyan-sm);
}

@keyframes brandPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.6; transform: scale(0.9); }
}

.nav-tabs {
    display: flex;
    gap: 6px;
    background: rgba(11, 14, 24, 0.6);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 4px;
}

.nav-tab {
    padding: 8px 16px;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-mute);
    background: transparent;
    border-radius: 3px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    position: relative;
}

.nav-tab:hover {
    color: var(--text);
    background: rgba(0, 255, 209, 0.05);
}

.nav-tab.active {
    color: var(--cyan);
    background: rgba(0, 255, 209, 0.10);
    box-shadow: inset 0 0 0 1px var(--border-hot);
    text-shadow: 0 0 12px var(--cyan-glow);
}

.nav-tab-icon { font-size: 13px; }

/* =====================================================================
   APP BODY LAYOUT
   ===================================================================== */

.app-body {
    position: fixed;
    top: calc(var(--hud-h) + var(--nav-h));
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    z-index: 2;
}

/* =====================================================================
   SIDEBAR
   ===================================================================== */

.sidebar {
    width: var(--sidebar-w);
    height: 100%;
    background: rgba(7, 9, 18, 0.68);
    backdrop-filter: blur(16px);
    border-right: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.sidebar::before {
    /* glow rim on right edge */
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    width: 1px;
    background: linear-gradient(180deg,
        transparent 0%,
        var(--cyan) 40%,
        var(--magenta) 60%,
        transparent 100%);
    opacity: 0.35;
    pointer-events: none;
}

.sidebar-scroll {
    height: 100%;
    overflow-y: auto;
    padding: 22px 20px 40px 20px;
}

.sidebar-scroll::-webkit-scrollbar { width: 4px; }
.sidebar-scroll::-webkit-scrollbar-track { background: transparent; }
.sidebar-scroll::-webkit-scrollbar-thumb {
    background: var(--border-hot);
    border-radius: 2px;
}

/* === BRAND BLOCK === */

.brand {
    margin-bottom: 4px;
    position: relative;
}

.brand-title {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 22px;
    letter-spacing: 0.06em;
    color: var(--text);
    line-height: 1.2;
    text-transform: uppercase;
}

.brand-title::after {
    content: '_';
    color: var(--cyan);
    animation: caretBlink 1.1s steps(2) infinite;
    margin-left: 2px;
}

.brand-sub {
    font-family: var(--font-mono);
    font-size: 10.5px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-mute);
    margin-top: 6px;
}

.brand-sub::before {
    content: '> ';
    color: var(--cyan);
}

@keyframes caretBlink {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0; }
}

/* === DIVIDER === */

.divider {
    height: 1px;
    background: linear-gradient(90deg,
        transparent 0%,
        var(--border-hot) 50%,
        transparent 100%);
    margin: 18px 0;
    position: relative;
}

.divider::before,
.divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 5px;
    height: 5px;
    border: 1px solid var(--cyan);
    transform: translateY(-50%) rotate(45deg);
    background: var(--void);
}

.divider::before { left: 0; }
.divider::after  { right: 0; }

/* === SECTIONS === */

.section {
    margin-bottom: 4px;
}

.section-title {
    display: block;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--cyan);
    margin-bottom: 10px;
    position: relative;
    padding-left: 14px;
}

.section-title::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--magenta);
    font-size: 9px;
}

.group-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-mute);
    margin: 10px 0 5px;
    padding-left: 8px;
    border-left: 2px solid var(--border-hot);
}

/* === QUERY PREVIEW === */

.query-preview {
    width: 100%;
    aspect-ratio: 16 / 10;
    background: var(--void-2);
    border: 1px dashed var(--border-hot);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-bottom: 10px;
    position: relative;
}

.query-preview::before {
    /* corner brackets */
    content: '';
    position: absolute;
    inset: 4px;
    background:
        linear-gradient(var(--cyan), var(--cyan)) top left / 10px 1px no-repeat,
        linear-gradient(var(--cyan), var(--cyan)) top left / 1px 10px no-repeat,
        linear-gradient(var(--cyan), var(--cyan)) top right / 10px 1px no-repeat,
        linear-gradient(var(--cyan), var(--cyan)) top right / 1px 10px no-repeat,
        linear-gradient(var(--cyan), var(--cyan)) bottom left / 10px 1px no-repeat,
        linear-gradient(var(--cyan), var(--cyan)) bottom left / 1px 10px no-repeat,
        linear-gradient(var(--cyan), var(--cyan)) bottom right / 10px 1px no-repeat,
        linear-gradient(var(--cyan), var(--cyan)) bottom right / 1px 10px no-repeat;
    pointer-events: none;
    opacity: 0.7;
}

.query-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.placeholder-text {
    color: var(--text-dim);
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

/* === BROWSE BUTTON === */

.browse-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 11px 14px;
    background: rgba(0, 255, 209, 0.06);
    border: 1px solid var(--border-hot);
    border-radius: var(--radius);
    color: var(--cyan);
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.2s ease;
}

.browse-btn:hover {
    background: rgba(0, 255, 209, 0.12);
    box-shadow: var(--glow-cyan-sm);
    transform: translateY(-1px);
}

/* === CHECKBOX === */

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 10px;
    margin: 3px 0;
    border: 1px solid transparent;
    border-radius: 3px;
    font-size: 12px;
    color: var(--text-soft);
    cursor: pointer;
    transition: all 0.15s ease;
    user-select: none;
}

.checkbox-item:hover {
    background: rgba(0, 255, 209, 0.04);
    border-color: var(--border);
    color: var(--text);
}

.checkbox-item input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border: 1px solid var(--border-hot);
    background: var(--void-2);
    border-radius: 2px;
    position: relative;
    cursor: pointer;
    flex-shrink: 0;
    transition: all 0.15s ease;
}

.checkbox-item input[type="checkbox"]:checked {
    background: var(--cyan);
    border-color: var(--cyan);
    box-shadow: var(--glow-cyan-sm);
}

.checkbox-item input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    inset: 2px;
    background: var(--void);
    clip-path: polygon(15% 50%, 35% 75%, 85% 20%, 95% 30%, 35% 95%, 5% 60%);
}

.checkbox-item.disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.combo-info {
    margin-top: 10px;
    padding: 8px 10px;
    font-size: 10.5px;
    color: var(--magenta);
    background: rgba(255, 32, 121, 0.06);
    border: 1px solid var(--border-mag);
    border-radius: 3px;
    letter-spacing: 0.05em;
}

/* === SELECT === */

.select-input {
    appearance: none;
    -webkit-appearance: none;
    width: 100%;
    padding: 10px 14px;
    background: var(--void-2);
    border: 1px solid var(--border-hot);
    border-radius: var(--radius);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.06em;
    cursor: pointer;
    background-image: linear-gradient(45deg, transparent 50%, var(--cyan) 50%),
                      linear-gradient(135deg, var(--cyan) 50%, transparent 50%);
    background-position: calc(100% - 16px) center, calc(100% - 11px) center;
    background-size: 5px 5px;
    background-repeat: no-repeat;
    transition: all 0.2s ease;
}

.select-input:hover,
.select-input:focus {
    border-color: var(--cyan);
    box-shadow: var(--glow-cyan-sm);
    outline: none;
}

.select-input option {
    background: var(--surface);
    color: var(--text);
}

/* === SLIDER === */

.slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    background: var(--void-2);
    border-radius: 2px;
    margin: 8px 0;
    border: 1px solid var(--border);
    cursor: pointer;
    outline: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    background: var(--cyan);
    border: 2px solid var(--void);
    border-radius: 50%;
    box-shadow: var(--glow-cyan-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: var(--glow-cyan-md);
}

.slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background: var(--cyan);
    border: 2px solid var(--void);
    border-radius: 50%;
    cursor: pointer;
}

/* === QUICK K BUTTONS (Top-20 / Top-50 / Top-100) === */

.k-presets {
    display: flex;
    gap: 6px;
    margin-top: 8px;
}

.k-preset {
    flex: 1;
    padding: 6px 0;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--text-mute);
    background: var(--void-2);
    border: 1px solid var(--border);
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.k-preset:hover {
    color: var(--cyan);
    border-color: var(--border-hot);
}

.k-preset.active {
    color: var(--cyan);
    background: rgba(0, 255, 209, 0.08);
    border-color: var(--cyan);
    box-shadow: var(--glow-cyan-sm);
}

/* === TEXT INPUT === */

.text-input {
    width: 100%;
    padding: 12px 14px;
    background: var(--void-2);
    border: 1px solid var(--border-hot);
    border-radius: var(--radius);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 12px;
    resize: vertical;
    min-height: 90px;
    transition: all 0.2s ease;
}

.text-input::placeholder {
    color: var(--text-dim);
}

.text-input:focus {
    outline: none;
    border-color: var(--cyan);
    box-shadow: var(--glow-cyan-sm), inset 0 0 0 1px rgba(0, 255, 209, 0.15);
}

/* === SEARCH BUTTON === */

.search-btn {
    width: 100%;
    padding: 14px 18px;
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--void);
    background: linear-gradient(90deg, var(--cyan) 0%, #00e6ff 100%);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.2s ease;
    box-shadow: var(--glow-cyan-md);
    margin-top: 6px;
}

.search-btn::before {
    /* sweep */
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.4) 50%,
        transparent 100%);
    transition: left 0.6s ease;
}

.search-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-cyan-lg);
}

.search-btn:hover::before {
    left: 100%;
}

.search-btn:active {
    transform: translateY(0);
}

.search-btn:disabled {
    background: var(--surface-2);
    color: var(--text-dim);
    box-shadow: none;
    cursor: wait;
}

/* === MODE BUTTONS === */

.mode-btn {
    flex: 1;
    padding: 9px 10px;
    font-family: var(--font-mono);
    font-size: 10.5px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-mute);
    background: var(--void-2);
    border: 1px solid var(--border);
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.mode-btn:hover {
    color: var(--text);
    border-color: var(--border-hot);
}

.mode-btn.active {
    color: var(--cyan);
    background: rgba(0, 255, 209, 0.10);
    border-color: var(--cyan);
    box-shadow: var(--glow-cyan-sm);
}

/* === PROGRESS === */

.progress-wrapper {
    margin-top: 14px;
}

.progress-bar {
    width: 100%;
    height: 3px;
    background: var(--void-2);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--cyan), var(--magenta));
    width: 0;
    transition: width 0.4s ease;
    box-shadow: 0 0 10px var(--cyan);
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.6) 50%,
        transparent 100%);
    animation: progSlide 1.2s linear infinite;
}

@keyframes progSlide {
    0%   { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* === STATUS === */

.status-text {
    display: block;
    font-family: var(--font-mono);
    font-size: 10.5px;
    letter-spacing: 0.06em;
    color: var(--text-mute);
    margin-top: 10px;
    padding-left: 12px;
    position: relative;
    line-height: 1.5;
}

.status-text::before {
    content: '>';
    position: absolute;
    left: 0;
    color: var(--cyan);
}

.status-success {
    color: var(--green);
}
.status-success::before { color: var(--green); }

.status-error {
    color: var(--red);
}
.status-error::before { color: var(--red); }

.status-active {
    color: var(--amber);
}
.status-active::before { color: var(--amber); animation: caretBlink 0.8s infinite; }

.timing-text {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.08em;
    color: var(--cyan-dim);
    margin-top: 4px;
    padding-left: 12px;
}

/* === METRICS PANEL === */

.metrics-panel,
.clip-info-panel {
    background: rgba(0, 255, 209, 0.03);
    border: 1px solid var(--border-hot);
    border-radius: var(--radius);
    padding: 14px 14px 16px;
    position: relative;
}

.metrics-panel::before,
.clip-info-panel::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    width: 12px;
    height: 12px;
    border-top: 2px solid var(--magenta);
    border-left: 2px solid var(--magenta);
}

.metrics-panel::after,
.clip-info-panel::after {
    content: '';
    position: absolute;
    bottom: -1px;
    right: -1px;
    width: 12px;
    height: 12px;
    border-bottom: 2px solid var(--magenta);
    border-right: 2px solid var(--magenta);
}

.metrics-title {
    display: block;
    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--magenta);
    margin-bottom: 10px;
}

.metrics-subtitle {
    display: block;
    font-family: var(--font-mono);
    font-size: 9.5px;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--cyan);
    margin: 12px 0 4px;
    padding-bottom: 4px;
    border-bottom: 1px dashed var(--border);
}

.metric-info {
    font-size: 10.5px;
    color: var(--text-mute);
    line-height: 1.5;
    margin: 3px 0;
    letter-spacing: 0.03em;
}

.metric-info.italic { font-style: italic; color: var(--text-dim); }

.metric-value {
    font-family: var(--font-mono);
    font-size: 11.5px;
    color: var(--text);
    margin: 4px 0;
    padding-left: 8px;
    border-left: 2px solid var(--cyan);
    letter-spacing: 0.02em;
}

.metric-value:hover {
    color: var(--cyan);
    border-left-color: var(--magenta);
}

/* =====================================================================
   MAIN CONTENT
   ===================================================================== */

.content {
    flex: 1;
    height: 100%;
    overflow-y: auto;
    padding: 30px 36px 60px;
    position: relative;
}

.content::-webkit-scrollbar { width: 6px; }
.content::-webkit-scrollbar-track { background: transparent; }
.content::-webkit-scrollbar-thumb {
    background: var(--border-hot);
    border-radius: 3px;
}

.results-header {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 26px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text);
    margin-bottom: 22px;
    position: relative;
    padding-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 14px;
}

.results-header::before {
    content: '//';
    color: var(--magenta);
    font-family: var(--font-display);
    text-shadow: var(--glow-mag-md);
}

.results-header::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 160px;
    height: 2px;
    background: linear-gradient(90deg, var(--cyan) 0%, transparent 100%);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 18px;
}

.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 20px;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.1em;
    color: var(--text-mute);
    border: 1px dashed var(--border-hot);
    border-radius: var(--radius);
    background: rgba(0, 255, 209, 0.02);
    position: relative;
}

.no-results::before {
    content: '— STANDBY —';
    display: block;
    font-family: var(--font-display);
    font-size: 11px;
    letter-spacing: 0.3em;
    color: var(--cyan);
    margin-bottom: 12px;
    text-shadow: var(--glow-cyan-sm);
}

/* === RESULT CARD === */

.result-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    position: relative;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.result-card::before {
    /* scan line overlay */
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
        transparent 0%,
        rgba(0, 255, 209, 0.10) 50%,
        transparent 100%);
    transform: translateY(-100%);
    pointer-events: none;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2;
}

.result-card:hover {
    transform: translateY(-4px);
    border-color: var(--cyan);
    box-shadow: var(--glow-cyan-md);
}

.result-card:hover::before {
    transform: translateY(100%);
}

.result-card.relevant {
    border-color: var(--green);
    box-shadow: inset 0 0 0 1px rgba(0, 230, 118, 0.25);
}

.result-card.relevant:hover {
    box-shadow: 0 0 20px rgba(0, 230, 118, 0.4), 0 0 40px rgba(0, 230, 118, 0.2);
}

.result-card.multimodal {
    border-color: var(--border-mag);
}
.result-card.multimodal:hover {
    border-color: var(--magenta);
    box-shadow: var(--glow-mag-md);
}

.rank-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    z-index: 3;
    background: rgba(4, 5, 10, 0.85);
    backdrop-filter: blur(8px);
    color: var(--cyan);
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.1em;
    padding: 3px 8px;
    border: 1px solid var(--border-hot);
    border-radius: 2px;
    text-shadow: var(--glow-cyan-sm);
}

.result-card.relevant .rank-badge {
    color: var(--green);
    border-color: var(--green);
    text-shadow: 0 0 6px rgba(0, 230, 118, 0.5);
}

.result-card.multimodal .rank-badge {
    color: var(--magenta);
    border-color: var(--border-mag);
}

.thumb-wrapper {
    width: 100%;
    aspect-ratio: 16 / 11;
    background: var(--void-2);
    overflow: hidden;
    position: relative;
}

.thumb-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.result-card:hover .thumb-wrapper img {
    transform: scale(1.08);
}

.card-filename,
.card-caption {
    padding: 10px 12px 4px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text);
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.card-caption {
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    color: var(--text-soft);
    min-height: 56px;
    font-style: italic;
}

.card-distance {
    padding: 0 12px 10px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.08em;
    color: var(--cyan);
}

.result-card.relevant .card-distance { color: var(--green); }
.result-card.multimodal .card-distance { color: var(--magenta); }

/* =====================================================================
   MODAL
   ===================================================================== */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(4, 5, 10, 0.92);
    backdrop-filter: blur(14px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 200;
    padding: 40px;
}

.modal-overlay.active {
    display: flex;
    animation: modalIn 0.3s ease forwards;
}

@keyframes modalIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.modal-content {
    max-width: 90vw;
    max-height: 88vh;
    position: relative;
    border: 1px solid var(--border-hot);
    border-radius: var(--radius);
    background: var(--surface);
    overflow: hidden;
    animation: modalContentIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    box-shadow: var(--glow-cyan-lg);
}

@keyframes modalContentIn {
    from { transform: scale(0.92); opacity: 0; }
    to   { transform: scale(1);    opacity: 1; }
}

.modal-content::before,
.modal-content::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    z-index: 3;
}
.modal-content::before {
    top: 0; left: 0;
    border-top: 2px solid var(--cyan);
    border-left: 2px solid var(--cyan);
}
.modal-content::after {
    bottom: 0; right: 0;
    border-bottom: 2px solid var(--magenta);
    border-right: 2px solid var(--magenta);
}

.modal-content img {
    display: block;
    max-width: 100%;
    max-height: 78vh;
    object-fit: contain;
}

.modal-filename {
    position: absolute;
    bottom: 14px;
    left: 14px;
    right: 14px;
    background: rgba(4, 5, 10, 0.85);
    backdrop-filter: blur(10px);
    padding: 8px 12px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--cyan);
    border: 1px solid var(--border-hot);
    border-radius: 3px;
    letter-spacing: 0.05em;
}

.modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    background: var(--void);
    border: 1px solid var(--border-hot);
    color: var(--cyan);
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    z-index: 4;
}

.modal-close:hover {
    background: var(--magenta);
    color: var(--void);
    border-color: var(--magenta);
    transform: rotate(90deg);
}

/* Dataset Browser Browse Button */
.browse-btn {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-mute);
    background: rgba(11, 14, 24, 0.4);
    cursor: pointer;
    transition: all 0.15s ease;
}

.browse-btn:hover {
    background: rgba(0, 255, 209, 0.08);
    color: var(--cyan);
    border-color: var(--cyan);
    text-shadow: var(--glow-cyan-sm);
}

/* Dataset Thumbnail Grid */
.dataset-thumb {
    cursor: pointer;
    border: 2px solid transparent;
    border-radius: var(--radius);
    overflow: hidden;
    transition: all 0.15s ease;
    position: relative;
}

.dataset-thumb:hover {
    border-color: var(--cyan);
    box-shadow: var(--glow-cyan-sm);
}

.dataset-thumb.selected {
    border-color: var(--cyan);
    box-shadow: var(--glow-cyan-md);
}

.dataset-thumb img {
    width: 100%;
    height: 80px;
    object-fit: cover;
    display: block;
}

/* Loading State */
.modal-loading {
    text-align: center;
    color: var(--text-mute);
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.1em;
    padding: 40px;
    grid-column: 1 / -1;
}

/* =====================================================================
   RESPONSIVE
   ===================================================================== */

@media (max-width: 900px) {
    :root { --sidebar-w: 280px; }
    .nav-tab span { display: none; }
    .results-grid { grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); }
    .hud-bar { font-size: 9.5px; gap: 14px; padding: 0 12px; }
    .hud-bar .hud-item:nth-child(n+4) { display: none; }
}

@media (max-width: 640px) {
    .app-body { flex-direction: column; }
    .sidebar {
        width: 100%;
        height: auto;
        max-height: 50vh;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
}