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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, var(--theme-primary) 0%, var(--theme-background) 100%);
    min-height: 100vh;
    padding: 15px;
    color: #333;
    position: relative;
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

/* Sticky Timer Banner */
.timer-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    padding: 15px 20px;
    border-bottom: 3px solid var(--theme-primary);
}

.timer-banner-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
}

.timer-banner-label {
    font-size: 18px;
    font-weight: 600;
    color: #374151;
}

.timer-banner-value {
    font-size: 32px;
    font-weight: bold;
    transition: color 0.3s ease, text-shadow 0.3s ease;
}

/* When banner is shown, add top padding to body content */
body.has-timer-banner .container {
    margin-top: 80px;
}

/* Time color coding for banner */
.timer-banner-value.time-safe {
    color: #10b981;
}

.timer-banner-value.time-warning {
    color: #f59e0b;
    animation: pulse-warning 2s ease-in-out infinite;
}

.timer-banner-value.time-danger {
    color: #ef4444;
    animation: pulse-danger 1s ease-in-out infinite;
}

.timer-banner-value.time-critical {
    color: #dc2626;
    animation: pulse-critical 0.5s ease-in-out infinite;
    font-weight: 900;
}

/* Background effects layer */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.15;
}

/* Snowfall effect for winter themes */
body[data-theme="winter_wonderland"]::before,
body[data-theme="polar_express"]::before,
body[data-theme="christmas_celebration"]::before,
body[data-theme="christmas_express"]::before,
body[data-theme="north_pole_central"]::before,
body[data-theme="peppermint_railroad"]::before {
    background-image:
        radial-gradient(circle, white 1px, transparent 1px),
        radial-gradient(circle, white 1px, transparent 1px),
        radial-gradient(circle, white 0.5px, transparent 0.5px);
    background-size: 50px 50px, 80px 80px, 120px 120px;
    background-position: 0 0, 40px 40px, 80px 80px;
    animation: snowfall 20s linear infinite;
}

@keyframes snowfall {
    0% {
        background-position: 0 0, 40px 40px, 80px 80px;
    }
    100% {
        background-position: 0 200px, 40px 240px, 80px 280px;
    }
}

/* Starfield effect for space/dark themes */
body[data-theme="area_51"]::before,
body[data-theme="hogwarts_express"]::before {
    background-image:
        radial-gradient(circle, rgba(255, 255, 255, 0.8) 1px, transparent 1px),
        radial-gradient(circle, rgba(255, 255, 255, 0.6) 0.5px, transparent 0.5px);
    background-size: 200px 200px, 150px 150px;
    background-position: 0 0, 100px 100px;
    animation: starTwinkle 3s ease-in-out infinite alternate;
}

@keyframes starTwinkle {
    0% {
        opacity: 0.1;
    }
    100% {
        opacity: 0.2;
    }
}

/* Railroad track pattern for railroad themes */
body[data-theme="santa_fe"]::before,
body[data-theme="union_pacific"]::before,
body[data-theme="pennsylvania"]::before,
body[data-theme="csx_spirit"]::before,
body[data-theme="cpkc"]::before,
body[data-theme="texas_special"]::before,
body[data-theme="prairie_freight"]::before {
    background-image:
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 15px,
            rgba(255, 255, 255, 0.1) 15px,
            rgba(255, 255, 255, 0.1) 17px
        );
    background-size: 100px 100%;
}

/* Sparkle effect for magical/licensed themes */
body[data-theme="frozen_olaf"]::before,
body[data-theme="disney_100"]::before,
body[data-theme="willy_wonka"]::before {
    background-image:
        radial-gradient(circle, rgba(255, 255, 255, 0.8) 1px, transparent 1px),
        radial-gradient(circle, rgba(255, 215, 0, 0.6) 1px, transparent 1px);
    background-size: 100px 100px, 70px 70px;
    background-position: 0 0, 50px 50px;
    animation: sparkle 4s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% {
        opacity: 0.1;
    }
    50% {
        opacity: 0.25;
    }
}

/* Halloween spooky effect */
body[data-theme="fast_fright"]::before {
    background-image:
        radial-gradient(ellipse, rgba(255, 140, 0, 0.2) 0%, transparent 60%),
        radial-gradient(ellipse, rgba(138, 43, 226, 0.2) 0%, transparent 60%);
    background-size: 200px 200px, 250px 250px;
    background-position: 0 0, 100px 100px;
    animation: spookyGlow 5s ease-in-out infinite alternate;
}

@keyframes spookyGlow {
    0% {
        opacity: 0.1;
    }
    100% {
        opacity: 0.3;
    }
}

/* Graffiti spray paint effect */
body[data-theme="graffiti"]::before {
    background-image:
        radial-gradient(ellipse, rgba(236, 72, 153, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse, rgba(168, 85, 247, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse, rgba(16, 185, 129, 0.15) 0%, transparent 50%);
    background-size: 150px 150px, 200px 200px, 180px 180px;
    background-position: 0 0, 100px 100px, 50px 150px;
    animation: graffiti 10s linear infinite;
}

@keyframes graffiti {
    0% {
        background-position: 0 0, 100px 100px, 50px 150px;
    }
    100% {
        background-position: 200px 0, 300px 100px, 250px 150px;
    }
}

/* Toy Story sky clouds */
body[data-theme="toy_story"]::before {
    background-image:
        radial-gradient(ellipse 100px 50px, rgba(255, 255, 255, 0.2) 0%, transparent 70%),
        radial-gradient(ellipse 80px 40px, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
    background-size: 300px 100px, 250px 80px;
    background-position: 0 50px, 150px 100px;
    animation: clouds 30s linear infinite;
}

@keyframes clouds {
    0% {
        background-position: -300px 50px, -150px 100px;
    }
    100% {
        background-position: 100% 50px, calc(100% + 150px) 100px;
    }
}

/* Thomas & Friends steam puffs */
body[data-theme="thomas_friends"]::before {
    background-image:
        radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 50%);
    background-size: 60px 60px;
    background-position: 0 80%;
    animation: steamPuff 3s ease-out infinite;
}

@keyframes steamPuff {
    0% {
        background-position: 0 80%;
        opacity: 0;
    }
    50% {
        opacity: 0.15;
    }
    100% {
        background-position: 0 20%;
        opacity: 0;
    }
}

/* Looney Tunes cartoon effect */
body[data-theme="looney_tunes"]::before {
    background-image:
        radial-gradient(circle, rgba(255, 255, 0, 0.2) 10px, transparent 10px),
        radial-gradient(circle, rgba(255, 0, 0, 0.15) 8px, transparent 8px);
    background-size: 120px 120px, 150px 150px;
    background-position: 0 0, 60px 60px;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-3px);
    }
}

/* US Army camouflage pattern */
body[data-theme="us_army"]::before {
    background-image:
        linear-gradient(135deg, rgba(120, 113, 108, 0.1) 25%, transparent 25%),
        linear-gradient(225deg, rgba(120, 113, 108, 0.1) 25%, transparent 25%),
        linear-gradient(45deg, rgba(120, 113, 108, 0.1) 25%, transparent 25%),
        linear-gradient(315deg, rgba(120, 113, 108, 0.1) 25%, transparent 25%);
    background-size: 80px 80px;
    background-position: 0 0, 0 40px, 40px -40px, -40px 0;
}

/* John Deere farmland rows */
body[data-theme="john_deere"]::before {
    background-image:
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 20px,
            rgba(22, 163, 74, 0.15) 20px,
            rgba(22, 163, 74, 0.15) 22px
        );
}

/* Anheuser Busch brewery bubbles */
body[data-theme="anheuser_busch"]::before {
    background-image:
        radial-gradient(circle, rgba(255, 255, 255, 0.3) 3px, transparent 3px),
        radial-gradient(circle, rgba(255, 255, 255, 0.2) 2px, transparent 2px),
        radial-gradient(circle, rgba(255, 255, 255, 0.25) 4px, transparent 4px);
    background-size: 100px 100px, 80px 80px, 120px 120px;
    background-position: 0 0, 50px 50px, 30px 70px;
    animation: bubbles 8s linear infinite;
}

@keyframes bubbles {
    0% {
        background-position: 0 0, 50px 50px, 30px 70px;
    }
    100% {
        background-position: 0 -100px, 50px -50px, 30px -30px;
    }
}

/* Lionel Lines classic pattern */
body[data-theme="lionel_lines"]::before {
    background-image:
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 35px,
            rgba(102, 126, 234, 0.1) 35px,
            rgba(102, 126, 234, 0.1) 37px
        ),
        repeating-linear-gradient(
            -45deg,
            transparent,
            transparent 35px,
            rgba(118, 75, 162, 0.1) 35px,
            rgba(118, 75, 162, 0.1) 37px
        );
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

header {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

h1 {
    color: var(--theme-primary);
    font-size: 2em;
}

h2 {
    color: var(--theme-primary);
    margin-bottom: 15px;
    font-size: 1.5em;
}

h3 {
    color: var(--theme-primary);
    margin-bottom: 10px;
}

.connection-status {
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ccc;
    animation: pulse 2s infinite;
}

.status-dot.connected {
    background: #10b981;
}

.status-dot.disconnected {
    background: #ef4444;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.section {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.login-form {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

input[type="text"],
input[type="number"],
textarea {
    flex: 1;
    padding: 14px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 16px;
    -webkit-user-select: text;
    user-select: text;
    touch-action: manipulation;
}

input[type="text"]:focus,
input[type="number"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--theme-primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.btn {
    padding: 16px 24px;
    border: none;
    border-radius: 8px;
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    min-height: 48px;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.btn:active {
    transform: scale(0.98);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.btn-primary {
    background: var(--theme-button);
    color: var(--theme-text);
}

.btn-primary:hover {
    background: var(--theme-button-hover);
}

.btn-secondary {
    background: var(--theme-secondary);
    color: var(--theme-text);
}

.btn-danger {
    background: #ef4444;
    color: white;
}

.btn-warning {
    background: #f59e0b;
    color: white;
}

.btn-info {
    background: #3b82f6;
    color: white;
}

.btn-small {
    padding: 12px 20px;
    font-size: 15px;
    min-height: 44px;
}

.btn-large {
    padding: 20px 32px;
    font-size: 19px;
    font-weight: bold;
    min-height: 56px;
}

.queue-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.info-item {
    background: #f3f4f6;
    padding: 15px;
    border-radius: 5px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.info-label {
    font-size: 14px;
    color: #6b7280;
}

.info-value {
    font-size: 24px;
    font-weight: bold;
    color: var(--theme-primary);
}

/* Time remaining color coding */
#timeRemaining {
    transition: color 0.3s ease, text-shadow 0.3s ease;
}

#timeRemaining.time-unlimited {
    color: #10b981;
    text-shadow: 0 0 10px rgba(16, 185, 129, 0.3);
}

#timeRemaining.time-safe {
    color: #10b981;
}

#timeRemaining.time-warning {
    color: #f59e0b;
    animation: pulse-warning 2s ease-in-out infinite;
}

#timeRemaining.time-danger {
    color: #ef4444;
    animation: pulse-danger 1s ease-in-out infinite;
}

#timeRemaining.time-critical {
    color: #dc2626;
    animation: pulse-critical 0.5s ease-in-out infinite;
    font-weight: 900;
}

@keyframes pulse-warning {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.9;
    }
}

@keyframes pulse-danger {
    0%, 100% {
        transform: scale(1);
        text-shadow: 0 0 5px rgba(239, 68, 68, 0.5);
    }
    50% {
        transform: scale(1.08);
        text-shadow: 0 0 15px rgba(239, 68, 68, 0.8);
    }
}

@keyframes pulse-critical {
    0%, 100% {
        transform: scale(1);
        text-shadow: 0 0 10px rgba(220, 38, 38, 0.8);
    }
    50% {
        transform: scale(1.1);
        text-shadow: 0 0 20px rgba(220, 38, 38, 1);
    }
}

.queue-list {
    margin: 20px 0;
}

.queue-item {
    background: #f9fafb;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.queue-item.active {
    background: #dbeafe;
    border: 2px solid #3b82f6;
}

.queue-item-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.position-badge {
    background: var(--theme-primary);
    color: var(--theme-text);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.active-badge {
    background: #10b981;
    color: white;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 12px;
    font-weight: bold;
}

.controls-grid {
    display: grid;
    gap: 20px;
}

.control-group {
    background: #f9fafb;
    padding: 20px;
    border-radius: 8px;
}

.control-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 10px;
    color: #374151;
}

input[type="range"] {
    width: 100%;
    height: 12px;
    border-radius: 6px;
    background: #e5e7eb;
    outline: none;
    margin: 15px 0;
    -webkit-appearance: none;
    touch-action: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #667eea;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transition: transform 0.1s;
}

input[type="range"]::-webkit-slider-thumb:active {
    transform: scale(1.2);
}

input[type="range"]::-moz-range-thumb {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #667eea;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transition: transform 0.1s;
}

input[type="range"]::-moz-range-thumb:active {
    transform: scale(1.2);
}

.speed-buttons {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.speed-buttons .btn {
    flex: 1;
}

.direction-control {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.direction-control .btn {
    flex: 1;
}

.direction-indicator {
    background: #e5e7eb;
    padding: 10px;
    border-radius: 5px;
    text-align: center;
    font-weight: 600;
    margin-top: 10px;
}

.sound-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.sound-controls .btn-large {
    grid-column: 1 / -1;
}

.control-group.emergency {
    background: #fee2e2;
    border: 2px solid #ef4444;
}

.train-status {
    margin-top: 20px;
    padding: 20px;
    background: #f3f4f6;
    border-radius: 8px;
}

.status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
}

.status-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.status-label {
    font-size: 14px;
    color: #6b7280;
}

.admin-section details {
    cursor: pointer;
}

.admin-section summary {
    font-weight: 600;
    padding: 10px;
    background: #f3f4f6;
    border-radius: 5px;
    user-select: none;
}

.admin-content {
    padding: 20px;
    margin-top: 15px;
}

.config-item {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 15px;
}

.config-item label {
    flex: 0 0 auto;
}

.config-item input {
    flex: 1;
}

.config-info {
    background: #eff6ff;
    padding: 15px;
    border-radius: 5px;
    border-left: 4px solid #3b82f6;
}

.config-info p {
    color: #1e40af;
    font-size: 14px;
}

/* Mobile-First Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    .container {
        max-width: 100%;
    }

    /* Timer banner mobile adjustments */
    .timer-banner {
        padding: 12px 15px;
    }

    .timer-banner-label {
        font-size: 16px;
    }

    .timer-banner-value {
        font-size: 28px;
    }

    body.has-timer-banner .container {
        margin-top: 70px;
    }

    header {
        flex-direction: column;
        gap: 12px;
        padding: 16px;
        text-align: center;
    }

    h1 {
        font-size: 1.6em;
    }

    h2 {
        font-size: 1.3em;
    }

    .section {
        padding: 16px;
        margin-bottom: 15px;
    }

    .login-form {
        flex-direction: column;
        gap: 12px;
    }

    .controls-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .control-group {
        padding: 16px;
    }

    .speed-buttons {
        flex-wrap: wrap;
        gap: 8px;
    }

    .speed-buttons .btn {
        flex: 1 1 calc(50% - 4px);
        min-width: 0;
    }

    .direction-control {
        flex-direction: column;
        gap: 10px;
    }

    .direction-control .btn {
        width: 100%;
    }

    .sound-controls {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .queue-info {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .info-value {
        font-size: 28px;
    }

    .status-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .config-item {
        flex-direction: column;
        align-items: stretch;
    }

    .config-item label {
        margin-bottom: 8px;
    }

    /* Larger touch targets on mobile */
    .btn {
        padding: 18px 24px;
        font-size: 18px;
        min-height: 52px;
    }

    .btn-small {
        padding: 14px 20px;
        font-size: 16px;
        min-height: 48px;
    }

    .btn-large {
        padding: 22px 32px;
        font-size: 20px;
        min-height: 60px;
    }

    /* Better queue item display on mobile */
    .queue-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        padding: 12px;
    }

    .queue-item-info {
        width: 100%;
    }

    /* Improve header readability */
    .connection-status {
        font-size: 15px;
    }

    .status-dot {
        width: 14px;
        height: 14px;
    }
}

/* Extra small devices (phones in portrait) */
@media (max-width: 480px) {
    h1 {
        font-size: 1.4em;
    }

    h2 {
        font-size: 1.2em;
    }

    .section {
        padding: 14px;
    }

    .speed-buttons .btn {
        flex: 1 1 100%;
    }
}

/* Landscape mobile */
@media (max-width: 896px) and (orientation: landscape) {
    body {
        padding: 8px;
    }

    .section {
        padding: 12px;
        margin-bottom: 10px;
    }

    header {
        padding: 12px;
    }

    h1 {
        font-size: 1.3em;
    }

    .controls-grid {
        gap: 10px;
    }

    .control-group {
        padding: 12px;
    }
}