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

body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #121212;
    font-family: 'Courier New', Courier, monospace;
}

.radio-player {
    background: #1e1e1e;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), inset 0 2px 2px rgba(255, 255, 255, 0.05);
    width: 380px;
    border: 1px solid #333;
}

.radio-title {
    color: #4a4a4a;
    text-align: center;
    font-size: 24px;
    letter-spacing: 5px;
    margin-bottom: 20px;
    text-shadow: 1px 1px 2px #000;
}


.display {
    background: #0a0f0d;
    padding: 15px;
    border-radius: 10px;
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
    border: 2px solid #000;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.8);
}

.display-item {
    color: #00ffcc;
    text-shadow: 0 0 5px rgba(0, 255, 204, 0.5);
    display: flex;
    align-items: baseline;
    gap: 5px;
}

.display-item .label {
    font-size: 12px;
    color: #555;
    text-shadow: none;
}

.display-item .value {
    font-size: 28px;
    font-weight: bold;
}

.display-item .unit {
    font-size: 14px;
}


.controls {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.control-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.control-group label {
    color: #888;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

input[type=range] {
    -webkit-appearance: none;
    width: 100%;
    background: transparent;
}

input[type=range]:focus {
    outline: none;
}

input[type=range]::-webkit-slider-runnable-track {
    width: 100%;
    height: 8px;
    cursor: pointer;
    background: #0f0f0f;
    border-radius: 4px;
    border: 1px solid #000;
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.8), 0 1px 1px rgba(255,255,255,0.1);
}

input[type=range]::-webkit-slider-thumb {
    height: 24px;
    width: 16px;
    border-radius: 4px;
    background: #333;
    cursor: pointer;
    -webkit-appearance: none;
    margin-top: -9px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.5), inset 0 1px 2px rgba(255,255,255,0.2);
    border: 1px solid #111;
}

.knob-container {
    width: 80px;
    height: 80px;
    background: #0f0f0f;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 5px rgba(255,255,255,0.05), inset 0 5px 10px rgba(0,0,0,0.8);
}

.knob {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3a3a3a, #1a1a1a);
    border-radius: 50%;
    position: relative;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0,0,0,0.6), inset 0 2px 2px rgba(255,255,255,0.1);
    transform: rotate(0deg); /* Керується через JS */
}

.knob-indicator {
    position: absolute;
    top: 5px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 15px;
    background: #00ffcc;
    border-radius: 2px;
    box-shadow: 0 0 5px #00ffcc;
}


.action-buttons {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-bottom: 10px;
}

.btn {
    background: #1a1a1a;
    border: 1px solid #333;
    color: #888;
    font-family: 'Courier New', Courier, monospace;
    font-weight: bold;
    border-radius: 8px;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(0,0,0,0.4), inset 0 1px 1px rgba(255,255,255,0.05);
    transition: all 0.2s ease;
}

.btn:active {
    transform: translateY(2px);
    box-shadow: 0 1px 2px rgba(0,0,0,0.4), inset 0 2px 4px rgba(0,0,0,0.6);
}

.search-btn {
    padding: 10px 15px;
    font-size: 16px;
}


.search-btn:hover {
    color: #00ffcc;
    border-color: #00ffcc;
    text-shadow: 0 0 5px rgba(0,255,204,0.5);
    box-shadow: 0 0 8px rgba(0,255,204,0.2), inset 0 1px 1px rgba(255,255,255,0.05);
}

.search-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}


.main-btn {
    padding: 12px 30px;
    font-size: 18px;
    letter-spacing: 2px;
    color: #00ffcc; 
    border-color: #004433;
}

.main-btn.playing {
    color: #ff3366;
    border-color: #551122;
    text-shadow: 0 0 8px rgba(0,255,204,0.6);
    box-shadow: 0 0 15px rgba(0,255,204,0.2), inset 0 1px 1px rgba(255,255,255,0.05);
}


.saved-stations-container {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px dashed #333;
}

.saved-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    color: #888;
}

.saved-header h3 {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.small-btn {
    padding: 5px 10px;
    font-size: 12px;
    background: #111;
}

.stations-list {
    list-style: none;
    max-height: 120px;
    overflow-y: auto;
    padding-right: 5px;
}


.stations-list::-webkit-scrollbar {
    width: 4px;
}
.stations-list::-webkit-scrollbar-track {
    background: #111; 
}
.stations-list::-webkit-scrollbar-thumb {
    background: #333;
    border-radius: 2px;
}


.station-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #1a1a1a;
    padding: 10px 12px;
    margin-bottom: 8px;
    border-radius: 6px;
    border: 1px solid #222;
    cursor: pointer;
    transition: all 0.2s;
}

.station-item:hover {
    border-color: #00ffcc;
    background: #112222;
}

.station-freq {
    color: #00ffcc;
    font-weight: bold;
    font-size: 16px;
    text-shadow: 0 0 3px rgba(0,255,204,0.3);
}


.station-delete {
    background: none;
    border: none;
    color: #ff3366;
    cursor: pointer;
    font-size: 12px;
    opacity: 0.5;
    transition: all 0.2s;
}

.station-delete:hover {
    opacity: 1;
    text-shadow: 0 0 8px #ff3366;
    transform: scale(1.2);
}