:root {
    --bg-color: #0b0e14;
    --card-bg: #161b22;
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --text-color: #f0f6fc;
    --text-muted: #8b949e;
    --border-color: rgba(255, 255, 255, 0.12);
    --glass-bg: rgba(22, 27, 34, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --danger: #ef4444;
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

.hidden {
    display: none !important;
}

/* Header */
.main-header {
    padding: 2rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    font-family: 'Outfit', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.05rem;
}

.logo span {
    color: var(--primary-color);
}

.tagline {
    color: var(--text-muted);
    font-size: 1rem;
    font-weight: 300;
}

/* Editor Section */
.editor-container {
    flex: 1;
    max-width: 900px;
    width: 95%;
    margin: 2rem auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.editor-header h2 {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
}

.editor-actions {
    display: flex;
    gap: 1rem;
}

#scriptInput {
    flex: 1;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-color);
    padding: 1.5rem;
    font-size: 1.125rem;
    line-height: 1.6;
    font-family: 'Inter', sans-serif;
    resize: none;
    transition: all 0.3s ease;
    min-height: 50vh;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

#scriptInput:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
}

.btn-danger {
    background-color: var(--danger);
    color: white;
}

.btn-danger:hover {
    opacity: 0.9;
}

/* Teleprompter Mode */
#teleprompterOverlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: black;
    z-index: 1000;
    display: flex;
    flex-direction: column;
}

#scrollerContainer {
    flex: 1;
    overflow: hidden;
    position: relative;
    padding: 10vh 20vw;
}

#scrollerContent {
    color: white;
    font-weight: 700;
    font-family: 'Outfit', sans-serif;
    text-align: justify;
    line-height: 1.6;
    letter-spacing: 0.02em;
    hyphens: auto;
    pointer-events: none;
}

/* Glass Panel Controls */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1.25rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

#teleprompterControls {
    position: fixed;
    top: 50%;
    left: 1.5rem;
    transform: translateY(-50%);
    z-index: 1100;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    width: 64px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    border-radius: 32px;
}

#teleprompterControls:hover {
    width: 140px;
    padding: 2rem 1.25rem;
    border-radius: 20px;
}

.menu-icon {
    padding: 10px;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

#teleprompterControls:hover .menu-icon {
    display: none;
}

.control-column {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    width: 100%;
}

#teleprompterControls:hover .control-column {
    display: flex;
}

#teleprompterControls:hover {
    opacity: 1;
}

.control-column {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.control-group label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
}

.control-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
    transition: transform 0.2s ease;
}

.control-btn:hover {
    transform: scale(1.05);
}

.icon {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

/* Range Inputs */
input[type=range] {
    -webkit-appearance: none;
    appearance: none;
    width: 120px;
    background: transparent;
}

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

input[type=range]::-webkit-slider-runnable-track {
    width: 100%;
    height: 4px;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
}

input[type=range]::-webkit-slider-thumb {
    height: 16px;
    width: 16px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
    margin-top: -6px;
}

/* Countdown */
#countdownOverlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

#countdownNumber {
    font-size: 15rem;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
    100% { transform: scale(1); opacity: 1; }
}

/* Center marker */
#teleprompterOverlay::after {
    content: '';
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 105%;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(59, 130, 246, 0.15), transparent);
    z-index: 1050;
    pointer-events: none;
}