/* Skydio Operations — Design Tokens & Base Styles */

/* Skydio tokens alias oracle.css shared tokens so theme toggles
   propagate. Keep Skydio's green brand accent local. */
:root {
    --sky-bg-deep:      var(--bg-deep);
    --sky-bg-base:      var(--bg-base);
    --sky-bg-surface:   var(--bg-surface);
    --sky-bg-elevated:  var(--bg-elevated);
    --sky-bg-hover:     var(--bg-hover);
    --sky-bg-active:    var(--bg-active);

    --sky-text:         var(--text-primary);
    --sky-text-dim:     var(--text-secondary);
    --sky-text-muted:   var(--text-muted);

    /* Skydio brand accent (green) — intentionally distinct */
    --sky-accent:       #00C853;
    --sky-accent-dim:   rgba(0,200,83,0.15);
    --sky-accent-glow:  rgba(0,200,83,0.08);

    --sky-green:        var(--green);
    --sky-red:          var(--red);
    --sky-amber:        var(--amber);
    --sky-cyan:         var(--cyan);
    --sky-purple:       var(--purple);

    --sky-border:       var(--border-default);
    --sky-border-accent: rgba(0,200,83,0.2);

    /* Severity tinting (Item 8) */
    --sky-sev-critical-bg:  var(--red-dim);
    --sky-sev-critical-border: rgba(239,68,68,0.3);
    --sky-sev-warning-bg:   var(--amber-dim);
    --sky-sev-warning-border: rgba(245,158,11,0.25);
    --sky-sev-info-bg:      var(--cyan-dim);
    --sky-sev-info-border:  rgba(34,211,238,0.2);
    --sky-radius:       var(--radius-md);
    --sky-radius-sm:    var(--radius-sm);
    --sky-radius-lg:    var(--radius-lg);

    --sky-font:         var(--font-body);
    --sky-font-display: var(--font-display);
    --sky-font-mono:    var(--font-mono);

    /* Motion */
    --sky-ease:         cubic-bezier(0.4, 0, 0.2, 1);
    --sky-ease-out:     cubic-bezier(0, 0, 0.2, 1);
}

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

html, body {
    height: 100%;
    font-family: var(--sky-font);
    background: var(--sky-bg-deep);
    color: var(--sky-text);
    overflow: hidden;
    font-variant-numeric: tabular-nums;
}

/* ============================================================================
   Item 1: Atmospheric Depth — noise, ambient glow, grid, edge lighting
   ============================================================================ */

/* Noise texture overlay */
.sky-noise-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px 256px;
    mix-blend-mode: overlay;
}

/* Ambient radial glow behind map */
.sky-ambient-glow {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background:
        radial-gradient(ellipse 80% 60% at 55% 45%, rgba(0,200,83,0.025) 0%, transparent 70%),
        radial-gradient(ellipse 50% 40% at 80% 20%, rgba(34,211,238,0.015) 0%, transparent 60%);
    transition: background 1.5s ease;
}

/* Alert-state ambient shift */
.sky-ambient-glow.sky-ambient-alert {
    background:
        radial-gradient(ellipse 80% 60% at 55% 45%, rgba(239,68,68,0.03) 0%, transparent 70%),
        radial-gradient(ellipse 50% 40% at 80% 20%, rgba(245,158,11,0.02) 0%, transparent 60%);
}

/* Subtle perspective grid underlay */
.sky-grid-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    opacity: 0.025;
    background-image:
        linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 30%, transparent 80%);
}

/* Scanline CRT texture (Item 10d) */
.sky-scanline-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9998;
    opacity: 0.015;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 1px,
        rgba(255,255,255,0.08) 1px,
        rgba(255,255,255,0.08) 2px
    );
}

/* ============================================================================
   Item 5: Page Load Staging Animation
   ============================================================================ */

@media (prefers-reduced-motion: no-preference) {
    @keyframes sky-stage-down {
        from { opacity: 0; transform: translateY(-12px); }
        to   { opacity: 1; transform: translateY(0); }
    }
    @keyframes sky-stage-left {
        from { opacity: 0; transform: translateX(-20px); }
        to   { opacity: 1; transform: translateX(0); }
    }
    @keyframes sky-stage-up {
        from { opacity: 0; transform: translateY(10px); }
        to   { opacity: 1; transform: translateY(0); }
    }
    @keyframes sky-stage-fade {
        from { opacity: 0; }
        to   { opacity: 1; }
    }
    @keyframes sky-stage-right {
        from { opacity: 0; transform: translateX(20px); }
        to   { opacity: 1; transform: translateX(0); }
    }

    .sky-app-shell .sky-topbar {
        animation: sky-stage-down 0.4s var(--sky-ease-out) both;
        animation-delay: 0.05s;
    }
    .sky-app-shell .sky-sidebar {
        animation: sky-stage-left 0.45s var(--sky-ease-out) both;
        animation-delay: 0.12s;
    }
    .sky-app-shell .sky-map {
        animation: sky-stage-fade 0.5s var(--sky-ease-out) both;
        animation-delay: 0.22s;
    }
    .sky-app-shell .sky-detail-panel {
        animation: sky-stage-right 0.4s var(--sky-ease-out) both;
        animation-delay: 0.3s;
    }
}

/* ============================================================================
   Item 7: Glassmorphism
   ============================================================================ */

.sky-glass {
    background: rgba(16,18,28,0.72);
    backdrop-filter: blur(16px) saturate(1.2);
    -webkit-backdrop-filter: blur(16px) saturate(1.2);
    border: 1px solid rgba(255,255,255,0.08);
}

/* ============================================================================
   Item 8: Severity Tinting System
   ============================================================================ */

.sky-sev-critical {
    background: var(--sky-sev-critical-bg);
    border-left: 3px solid var(--sky-red);
    color: var(--sky-red);
}
.sky-sev-warning {
    background: var(--sky-sev-warning-bg);
    border-left: 3px solid var(--sky-amber);
    color: var(--sky-amber);
}
.sky-sev-info {
    background: var(--sky-sev-info-bg);
    border-left: 3px solid var(--sky-cyan);
    color: var(--sky-cyan);
}
/* Severity pill badges */
.sky-sev-pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}
.sky-sev-pill-critical {
    background: rgba(239,68,68,0.15);
    color: var(--sky-red);
}
.sky-sev-pill-warning {
    background: rgba(245,158,11,0.12);
    color: var(--sky-amber);
}
.sky-sev-pill-info {
    background: rgba(34,211,238,0.1);
    color: var(--sky-cyan);
}
/* ============================================================================
   Item 11: Ambient Threat Level Strip
   ============================================================================ */

.sky-threat-strip {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    z-index: 10000;
    background: var(--sky-green);
    transition: background 0.8s ease, box-shadow 0.8s ease;
    box-shadow: 0 0 8px rgba(0,200,83,0.3);
}
.sky-threat-strip.sky-threat-warning {
    background: var(--sky-amber);
    box-shadow: 0 0 12px rgba(245,158,11,0.4);
    animation: sky-threat-pulse-amber 2s ease-in-out infinite;
}
.sky-threat-strip.sky-threat-critical {
    background: var(--sky-red);
    box-shadow: 0 0 16px rgba(239,68,68,0.5);
    animation: sky-threat-pulse-red 1.2s ease-in-out infinite;
}
@keyframes sky-threat-pulse-amber {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}
@keyframes sky-threat-pulse-red {
    0%, 100% { opacity: 1; box-shadow: 0 0 16px rgba(239,68,68,0.5); }
    50% { opacity: 0.8; box-shadow: 0 0 24px rgba(239,68,68,0.7); }
}

/* ============================================================================
   Item 9: Command Palette
   ============================================================================ */

.sky-cmd-overlay {
    position: fixed;
    inset: 0;
    background: rgba(6,7,16,0.75);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 20000;
    display: flex;
    justify-content: center;
    padding-top: 18vh;
    animation: sky-stage-fade 0.15s ease;
}
.sky-cmd-palette {
    width: 520px;
    max-width: 92vw;
    max-height: 420px;
    background: var(--sky-bg-elevated);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--sky-radius-lg);
    box-shadow: 0 24px 80px rgba(0,0,0,0.5), 0 0 1px rgba(255,255,255,0.1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.sky-cmd-input-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--sky-border);
}
.sky-cmd-input-wrap svg { color: var(--sky-accent); flex-shrink: 0; }
.sky-cmd-input {
    flex: 1;
    background: none;
    border: none;
    color: var(--sky-text);
    font-size: 15px;
    font-family: var(--sky-font);
    outline: none;
}
.sky-cmd-input::placeholder { color: var(--sky-text-muted); }
.sky-cmd-list {
    flex: 1;
    overflow-y: auto;
    padding: 6px;
}
.sky-cmd-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--sky-radius-sm);
    cursor: pointer;
    transition: background 0.1s;
    font-size: 13px;
    color: var(--sky-text);
}
.sky-cmd-item:hover,
.sky-cmd-item.sky-cmd-active {
    background: var(--sky-accent-dim);
}
.sky-cmd-item-icon {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--sky-bg-surface);
    border-radius: var(--sky-radius-sm);
    color: var(--sky-accent);
    flex-shrink: 0;
}
.sky-cmd-item-label { flex: 1; }
.sky-cmd-item-hint {
    font-size: 11px;
    color: var(--sky-text-muted);
    font-family: var(--sky-font-mono);
}
.sky-cmd-footer {
    padding: 8px 16px;
    border-top: 1px solid var(--sky-border);
    font-size: 11px;
    color: var(--sky-text-muted);
    display: flex;
    gap: 16px;
}
.sky-cmd-footer kbd {
    background: var(--sky-bg-surface);
    padding: 1px 5px;
    border-radius: 3px;
    font-family: var(--sky-font-mono);
    font-size: 10px;
}

/* ============================================================================
   Item 12: Branded Empty States
   ============================================================================ */

.sky-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    text-align: center;
    gap: 16px;
}
.sky-empty-state-icon {
    width: 80px;
    height: 80px;
    color: var(--sky-accent);
    opacity: 0.3;
}
.sky-empty-state-title {
    font-family: var(--sky-font-display);
    font-size: 18px;
    font-weight: 600;
    color: var(--sky-text);
    letter-spacing: 0.5px;
}
.sky-empty-state-subtitle {
    font-size: 13px;
    color: var(--sky-text-dim);
    max-width: 320px;
    line-height: 1.5;
}
.sky-empty-state-action {
    margin-top: 8px;
    padding: 8px 20px;
    background: var(--sky-accent-dim);
    color: var(--sky-accent);
    border: 1px solid var(--sky-border-accent);
    border-radius: var(--sky-radius-sm);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
}
.sky-empty-state-action:hover {
    background: rgba(0,200,83,0.2);
    border-color: var(--sky-accent);
}