/* Global variables and theme setup */
body {
    --bg-color: #ffffff;
    --text-color: #212529;
    --controls-bg: #f8f9fa;
    --border-color: #dee2e6;
    --input-bg: #ffffff;
    --input-border: #ced4da;
    --button-bg: #0d6efd;
    --button-text: #ffffff;
    --button-hover-bg: #0b5ed7;
    --status-color: #6c757d;
    --tooltip-bg: rgba(255, 255, 255, 0.9);
    --tooltip-border: #ccc;
    --shadow-color: rgba(0, 0, 0, 0.2);

    font-family: sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    height: 100vh;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}

body[data-theme="dark"] {
    --bg-color: #1a1a1a;
    --text-color: #e0e0e0;
    --controls-bg: #2c2c2c;
    --border-color: #444444;
    --input-bg: #3a3a3a;
    --input-border: #555555;
    --button-bg: #3478f6;
    --button-text: #ffffff;
    --button-hover-bg: #5091f7;
    --status-color: #999999;
    --tooltip-bg: rgba(30, 30, 30, 0.9);
    --tooltip-border: #555;
    --shadow-color: rgba(0, 0, 0, 0.5);
}

/* Layout */
#map {
    flex-grow: 1;
    height: 100%;
}

#controls {
    width: 280px;
    padding: 15px;
    background-color: var(--controls-bg);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    transition: background-color 0.3s, border-color 0.3s;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
}

#controls::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('hk.jpg');
    background-repeat: no-repeat;
    background-position: bottom center;
    background-size: 100% auto;
    opacity: 0.33;
    z-index: -1;
    pointer-events: none;
}

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

.controls-header h2 {
    margin: 0;
    font-size: 24px;
}

#theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    cursor: pointer;
    font-size: 18px;
    padding: 4px 8px;
    line-height: 1;
}

/* Form elements */
#fetch-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.target-input-container {
    display: flex;
    gap: 5px;
}

#target {
    flex: 1;
}

.inline-input-group {
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
}

input[type="text"],
input[type="number"],
select {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--input-border);
    background-color: var(--input-bg);
    color: var(--text-color);
    border-radius: 4px;
    box-sizing: border-box;
}

.button-group {
    display: flex;
    width: 100%;
    border: 1px solid var(--input-border);
    border-radius: 4px;
    overflow: hidden;
}

.button-group input[type="radio"] {
    display: none;
}

.button-group label {
    flex: 1;
    text-align: center;
    padding: 8px;
    background-color: var(--input-bg);
    color: var(--text-color);
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
    border-right: 1px solid var(--input-border);
    font-size: 14px;
}

.button-group label:last-child {
    border-right: none;
}

.button-group input[type="radio"]:checked + label {
    background-color: var(--button-bg);
    color: var(--button-text);
}

button {
    padding: 8px 12px;
    border: none;
    border-radius: 4px;
    background-color: var(--button-bg);
    color: var(--button-text);
    cursor: pointer;
    transition: background-color 0.2s;
}

button:hover {
    background-color: var(--button-hover-bg);
}

#btn-geo {
    background-color: transparent;
    border: 1px solid var(--input-border);
    color: var(--text-color);
}

.form-sections {
    display: flex;
    gap: 15px;
}

#band-container {
    display: flex;
    flex-direction: column;
    font-size: 13px;
    gap: 2px;
}

.band-label {
    padding: 2px 4px;
    border-radius: 3px;
    transition: all 0.3s;
    cursor: pointer;
}

.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.options-panel {
    margin-top: 10px;
    border-top: 1px solid var(--border-color);
    padding-top: 10px;
}

.options-panel summary {
    cursor: pointer;
    font-size: 14px;
}

.options-content {
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.options-content > div, .options-content > label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
}

.options-content input[type="number"], .options-content input[type="text"] {
    width: 60px;
    margin-left: 10px;
    padding: 4px 8px;
}

#stream-status {
    margin-top: 0;
    font-size: 14px;
    color: var(--status-color);
}

#stream-status strong {
    color: var(--text-color);
}

#server-stats {
    margin-top: 0;
    font-size: 12px;
    color: var(--status-color);
    border-top: none;
    padding-top: 0;
}

#tooltip {
    display: none;
    position: absolute;
    z-index: 1000;
    background: var(--tooltip-bg);
    padding: 8px;
    border: 1px solid var(--tooltip-border);
    border-radius: 4px;
    pointer-events: none;
    font-size: 14px;
    box-shadow: 0 2px 4px var(--shadow-color);
}

.spinner {
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--button-bg);
    border-radius: 50%;
    width: 14px;
    height: 14px;
    animation: spin 1s linear infinite;
    display: inline-block;
    vertical-align: middle;
    margin-left: 8px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Info Overlay */
#info-overlay {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

#info-overlay .info-content {
    position: relative;
    width: 80%;
    max-width: 800px;
    height: 80%;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 12px var(--shadow-color);
    display: flex;
    flex-direction: column;
}

#info-overlay iframe {
    flex-grow: 1;
    width: 100%;
    border: none;
    border-radius: 0 0 8px 8px;
    background: var(--bg-color);
}

#close-info {
    position: absolute;
    top: -15px;
    right: -15px;
    background: var(--button-bg);
    color: var(--button-text);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    width: 34px;
    height: 34px;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2001;
    box-shadow: 0 2px 4px var(--shadow-color);
}