/* Custom Design System: Lokalne-Sygnały */

:root {
    --color-bg-darkest: #121212;       /* Very dark cool background */
    --color-bg-card: rgba(30, 30, 30, 0.6); /* Glassmorphism background */
    --color-border: rgba(255, 255, 255, 0.05); /* Subtle border */
    --color-border-active: #fbbf24;    /* Gold/honey accent */
    --color-text-primary: #f3f4f6;
    --color-text-secondary: #9ca3af;
    --color-text-muted: #6b7280;
    --color-accent: #fbbf24;
    
    /* Professional lab-grade signal colors (flat, non-glowing) */
    --color-signal-am: #10b981;
    --color-signal-dsb: #0ea5e9;
    --color-signal-ssb: #818cf8;
    --color-signal-fm: #f59e0b;
    --color-signal-envelope: #f43f5e;
    --color-signal-red: #ef4444;
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --font-pixel: 'Press Start 2P', cursive;
    
    --shadow-card: 0 4px 16px 0 rgba(0, 0, 0, 0.6);
    --radius-lg: 2px;
    --radius-md: 2px;
    --transition-smooth: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--color-bg-darkest);
    color: var(--color-text-primary);
    font-family: var(--font-sans);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 0;
    overflow-x: hidden;
}

/* Header Styling */
.app-header {
    background-color: rgba(18, 18, 18, 0.85);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    display: flex;
    align-items: flex-end;
    gap: 3px;
    height: 24px;
}

.wave-bar {
    width: 4px;
    height: 100%;
    background-color: var(--color-signal-am);
    border-radius: 2px;
    animation: pulseWave 1.6s ease-in-out infinite alternate;
}

.wave-bar:nth-child(1) { height: 40%; animation-delay: 0.1s; }
.wave-bar:nth-child(2) { height: 90%; animation-delay: 0.3s; }
.wave-bar:nth-child(3) { height: 60%; animation-delay: 0.2s; }
.wave-bar:nth-child(4) { height: 100%; animation-delay: 0.4s; }

@keyframes pulseWave {
    0% { transform: scaleY(0.4); }
    100% { transform: scaleY(1.1); }
}

.logo-area h1 {
    font-family: var(--font-pixel);
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--color-text-primary);
    letter-spacing: -0.5px;
    text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.8);
}

.global-controls {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.header-time-control {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.header-time-control input[type="range"] {
    width: 100px;
}

/* Button UI */
.btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-smooth);
}

.btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-accent);
    color: var(--color-accent);
    box-shadow: 0 0 8px rgba(251, 191, 36, 0.3);
}

.btn.active-glow {
    border-color: var(--color-accent);
    background: rgba(251, 191, 36, 0.1);
    color: var(--color-accent);
    box-shadow: 0 0 10px rgba(251, 191, 36, 0.3);
}

.btn.active-glow:hover {
    background: rgba(251, 191, 36, 0.2);
    box-shadow: 0 0 15px rgba(251, 191, 36, 0.5);
}

/* Dashboard Layout */
.dashboard-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(600px, 1fr));
    gap: 2rem;
    padding: 2rem;
    max-width: 1800px;
    margin: 0 auto;
    width: 100%;
}

@media (max-width: 1280px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

/* Card Styling */
.signal-card {
    background-color: var(--color-bg-card);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
}

.signal-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--color-border);
    transition: var(--transition-smooth);
}

#am-panel:hover::before { background: var(--color-signal-am); }
#dsb-panel:hover::before { background: var(--color-signal-dsb); }
#ssb-panel:hover::before { background: var(--color-signal-ssb); }
#fm-panel:hover::before { background: var(--color-signal-fm); }

.card-header {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.header-title-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.card-header h2 {
    font-family: var(--font-pixel);
    font-size: 0.85rem;
    line-height: 1.5;
    font-weight: 400;
    text-transform: uppercase;
}

.card-subtitle {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

/* Badges */
.badge {
    padding: 4px 8px;
    border-radius: var(--radius-md);
    font-family: var(--font-pixel);
    font-size: 0.55rem;
    font-weight: 400;
    letter-spacing: 0;
    text-transform: uppercase;
}

.badge-am {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--color-signal-am);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-dsb {
    background-color: rgba(14, 165, 233, 0.1);
    color: var(--color-signal-dsb);
    border: 1px solid rgba(14, 165, 233, 0.3);
}

.badge-ssb {
    background-color: rgba(129, 140, 248, 0.1);
    color: var(--color-signal-ssb);
    border: 1px solid rgba(129, 140, 248, 0.3);
}

.badge-fm {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--color-signal-fm);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

/* Visualizer boxes */
.visualizers-container {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.visualizer-box {
    background-color: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
}

.visualizer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 12px;
    background-color: rgba(20, 20, 20, 0.9);
    border-bottom: 1px solid var(--color-border);
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

.legend {
    display: flex;
    gap: 12px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.color-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.dot-modulated { background-color: var(--color-signal-am); }
.dot-envelope { background-color: var(--color-signal-envelope); }
.dot-message-am { background-color: rgba(16, 185, 129, 0.5); }

.dot-modulated-dsb { background-color: var(--color-signal-dsb); }
.dot-envelope-dsb { background-color: var(--color-signal-envelope); }
.dot-message-dsb { background-color: rgba(14, 165, 233, 0.5); }

.dot-modulated-ssb { background-color: var(--color-signal-ssb); }
.dot-envelope-ssb { background-color: var(--color-signal-envelope); }
.dot-message-ssb { background-color: rgba(129, 140, 248, 0.5); }

.dot-modulated-fm { background-color: var(--color-signal-fm); }
.dot-envelope-fm { background-color: var(--color-signal-envelope); }
.dot-inst-freq { background-color: var(--color-signal-red); }
.dot-message-fm { background-color: rgba(245, 158, 11, 0.5); }

.dot-filter-pass { background-color: rgba(129, 140, 248, 0.08); border: 1px dashed rgba(129, 140, 248, 0.3); border-radius: 2px; }
.dot-sideband-active { background-color: var(--color-signal-envelope); }
.dot-sideband-faded { background-color: rgba(239, 68, 68, 0.2); }

.dot-carrier { background-color: var(--color-signal-am); }
.dot-carrier-suppressed { background-color: var(--color-signal-red); }
.dot-carrier-fm { background-color: var(--color-signal-fm); }
.dot-sideband { background-color: var(--color-signal-envelope); }
.dot-sideband-fm { background-color: var(--color-signal-envelope); }

canvas {
    display: block;
    width: 100%;
    height: auto;
    background-color: #030503;
}

/* Controls Grid */
.controls-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    background: rgba(0, 0, 0, 0.2);
    padding: 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.slider-wrapper {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.slider-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
}

.slider-info label {
    color: var(--color-text-secondary);
    font-weight: 500;
}

.value-display {
    font-family: var(--font-mono);
    font-weight: 600;
}

#am-panel .value-display { color: var(--color-signal-am); }
#dsb-panel .value-display { color: var(--color-signal-dsb); }
#ssb-panel .value-display { color: var(--color-signal-ssb); }
#fm-panel .value-display { color: var(--color-signal-fm); }

/* Custom Sleek Slider Styling */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: #2a2a2a;
    border-radius: 3px;
    outline: none;
    transition: background 0.3s;
}

input[type="range"]:hover {
    background: #3a3a3a;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-signal-am);
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.1s, background-color 0.2s;
}

#dsb-panel input[type="range"]::-webkit-slider-thumb {
    background: var(--color-signal-dsb);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 8px rgba(251, 191, 36, 0.5);
}

input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    background: var(--color-signal-am);
    cursor: pointer;
    transition: transform 0.1s;
}

#dsb-panel input[type="range"]::-moz-range-thumb {
    background: var(--color-signal-dsb);
}

input[type="range"]::-moz-range-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 8px rgba(251, 191, 36, 0.5);
}

/* Telemetry Section */
.telemetry-panel {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    border-top: 1px solid var(--color-border);
    padding-top: 1rem;
}

@media (max-width: 640px) {
    .telemetry-panel {
        grid-template-columns: repeat(2, 1fr);
    }
}

.telemetry-metric {
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 8px 10px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    text-align: center;
}

.metric-label {
    font-family: var(--font-pixel);
    font-size: 0.55rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    line-height: 1.4;
}

.metric-value {
    font-size: 0.95rem;
    font-weight: 700;
}

#am-panel .metric-value { color: var(--color-signal-am); }
#dsb-panel .metric-value { color: var(--color-signal-dsb); }
#ssb-panel .metric-value { color: var(--color-signal-ssb); }
#fm-panel .metric-value { color: var(--color-signal-fm); }

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

.status-suppressed {
    color: var(--color-signal-dsb);
}

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

.text-active {
    color: var(--color-signal-am);
}

/* Footer Styling */
.app-footer {
    background-color: #0a0a0a;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.75rem;
    text-align: center;
    padding: 1.5rem;
    margin-top: auto;
}

/* Micro-animations */
@keyframes glowPulse {
    0% { border-color: var(--color-border); box-shadow: none; }
    100% { border-color: rgba(251, 191, 36, 0.4); box-shadow: 0 0 10px rgba(251, 191, 36, 0.2); }
}

.signal-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
}

/* Maximized Panel Styling */
.signal-card.maximized-card {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1000;
    margin: 0;
    border-radius: 0;
    background-color: var(--color-bg-darkest);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    overflow-y: auto;
}

.maximized-card .visualizers-container {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 1.5rem;
    flex: 1;
    min-height: 0;
}

@media (max-width: 900px) {
    .maximized-card .visualizers-container {
        grid-template-columns: 1fr;
    }
}

.maximized-card .visualizer-box {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.maximized-card canvas {
    flex: 1;
    width: 100%;
    height: 100%;
    min-height: 0;
}

.btn-maximize {
    margin-left: auto;
    font-size: 0.8rem;
    padding: 0.35rem 0.85rem;
}

.maximized-card .btn-maximize {
    background: rgba(239, 68, 68, 0.15);
    border-color: var(--color-signal-red);
    color: #fca5a5;
}

.maximized-card .btn-maximize:hover {
    background: rgba(239, 68, 68, 0.3);
}

/* Prevent body scrolling when a card is maximized */
body.modal-open {
    overflow: hidden;
}

/* Card Actions & Local Controls */
.card-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 12px;
}

.local-time-control {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

.local-time-control label {
    font-weight: 500;
}

.local-time-control input[type="range"] {
    width: 60px;
    height: 4px;
}

.btn-pause-local {
    padding: 0.35rem 0.65rem;
    font-size: 0.8rem;
}

@media (max-width: 600px) {
    .local-time-control {
        display: none;
    }
}

/* Button Group Selector (for SSB filter) */
.btn-group {
    display: flex;
    background-color: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    padding: 2px;
    width: 100%;
}

.btn-group .btn-select {
    flex: 1;
    background: transparent;
    border: none;
    border-radius: 4px;
    color: var(--color-text-secondary);
    padding: 0.35rem 0.5rem;
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-group .btn-select:hover {
    color: var(--color-text-primary);
    background-color: rgba(30, 41, 59, 0.2);
}

.btn-group .btn-select.active {
    color: #ffffff;
    background-color: var(--color-signal-ssb);
    font-weight: 600;
}

/* Custom Purple Slider Thumbs for SSB */
#ssb-panel input[type="range"]::-webkit-slider-thumb {
    background: var(--color-signal-ssb);
}

#ssb-panel input[type="range"]::-moz-range-thumb {
    background: var(--color-signal-ssb);
}

/* Header border hover for SSB maximized card close button */
.maximized-card#ssb-panel::before {
    background: var(--color-signal-ssb);
}
#ssb-panel .btn-maximize.active-glow {
    border-color: var(--color-signal-ssb);
    background: rgba(129, 140, 248, 0.15);
}

@media (max-width: 600px) {
    .local-time-control {
        display: none;
    }
}

/* Custom Yellow Slider Thumbs for FM */
#fm-panel input[type="range"]::-webkit-slider-thumb {
    background: var(--color-signal-fm);
}

#fm-panel input[type="range"]::-moz-range-thumb {
    background: var(--color-signal-fm);
}

/* Header border hover for FM maximized card close button */
.maximized-card#fm-panel::before {
    background: var(--color-signal-fm);
}
#fm-panel .btn-maximize.active-glow {
    border-color: var(--color-signal-fm);
    background: rgba(245, 158, 11, 0.15);
}