* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #000;
    color: #fff;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow: hidden;
}

/*.container {
    max-width: 900px;
    width: 100%;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}*/

h1, h3 {
    text-align: center;
    color: #2c3e50;
}

.video-container {
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 20px;
}

.stargate-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: transparent;
    z-index: 0;
    pointer-events: none; /* Let clicks pass through */
}

#glcanvas {
    width: 100vw;
    height: 100vh;
    display: block;
}

.ui-container {
    position: absolute;
    top: 15px;
    left: 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 10;
}

button {
    padding: 8px 14px;
    font-size: 13px;
    font-family: inherit;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 4px;
    cursor: pointer;
    background-color: #222;
    color: #eee;
    transition: background-color 0.2s, border-color 0.2s;
}

button:hover:not([disabled]) {
    background-color: #333;
    border-color: rgba(255, 255, 255, 0.3);
}

button[disabled] {
    background-color: #111;
    color: #666;
    border-color: transparent;
    cursor: not-allowed;
}

.icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    padding: 0;
    background: rgba(20, 20, 20, 0.6);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
}

.icon-btn:hover:not([disabled]) {
    background: rgba(40, 40, 40, 0.8);
    transform: scale(1.05);
}

.icon-btn[disabled] {
    opacity: 0.4;
    cursor: not-allowed;
    background: rgba(10, 10, 10, 0.4);
}

.state-call {
    color: #4cd137;
}

.state-hangup {
    color: #e84118;
}

/* --- SETTINGS PANEL --- */
#settingsPanel {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(20, 20, 20, 0.6);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
    border-radius: 12px;
    padding: 24px;
    width: 320px;
    pointer-events: auto;
    display: none;
    flex-direction: column;
    gap: 16px;
    z-index: 200;
}

#settingsPanel.active {
    display: flex;
}

#settingsPanel h2 {
    margin: 0 0 8px 0;
    font-size: 1.2rem;
    text-align: center;
    color: #fff;
    font-weight: 500;
}

.setting-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.setting-group label {
    font-size: 0.85rem;
    display: flex;
    justify-content: space-between;
    color: #ccc;
}

.setting-group input[type="range"] {
    width: 100%;
    accent-color: #aaa;
}

.setting-group select {
    width: 100%;
    padding: 8px;
    background: rgba(255, 255, 255, 0.05);
    color: #eee;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    backdrop-filter: blur(4px);
    transition: background 0.2s, border-color 0.2s;
}

.setting-group select:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.setting-group select option {
    background: #222;
    color: #eee;
}

.setting-group input[type="color"] {
    width: 100%;
    height: 36px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.05);
    cursor: pointer;
    padding: 2px;
    backdrop-filter: blur(4px);
}

.settings-actions {
    display: flex;
    gap: 8px;
    margin-top: 10px;
}

.settings-actions button {
    flex: 1;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    padding: 10px;
    color: white;
    font-weight: 500;
    transition: all 0.2s ease;
}

.settings-actions button:hover:not([disabled]) {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

#messages {
    margin-top: 15px;
    max-height: 200px;
    overflow-y: auto;
    background: white;
    padding: 10px;
    border-radius: 4px;
    text-align: left;
    border: 1px solid #ddd;
}

.message {
    padding: 5px;
    border-bottom: 1px solid #eee;
}

.offline { color: #e74c3c; font-weight: bold; }
.online { color: #2ecc71; font-weight: bold; }