@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;800&display=swap');

:root {
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --accent-color: #3b82f6;
    --accent-hover: #2563eb;
    --danger-color: #ef4444;
    --danger-hover: #dc2626;
    --glass-bg: rgba(30, 41, 59, 0.85);
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-size-prompter: clamp(2.4rem, 5vw, 6rem);
}

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

html,
body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

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

.controls-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 100;
    transition: transform 0.3s ease;
    gap: 16px;
    flex-wrap: wrap;
}

.controls-bar.hidden {
    transform: translateY(-100%);
}

.control-group {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.75rem 1.25rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    border: 1px solid var(--glass-border);
    text-decoration: none;
}

.btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

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

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

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

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

.btn:active {
    transform: scale(0.98);
}

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

.timer {
    font-variant-numeric: tabular-nums;
    font-weight: 800;
    font-size: 1.5rem;
    background: rgba(0, 0, 0, 0.3);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    letter-spacing: 2px;
}

.speed-control {
    background: rgba(0, 0, 0, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

.speed-control label {
    font-weight: 600;
    font-size: 0.9rem;
    color: #cbd5e1;
}

input[type=range] {
    -webkit-appearance: none;
    width: 150px;
    background: transparent;
}

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

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

#speedValue {
    font-weight: 600;
    min-width: 2.5rem;
    display: inline-block;
    text-align: right;
}

main,
section {
    display: none;
    width: 100%;
    height: 100%;
    padding-top: 100px;
}

.view-active {
    display: block;
}

.prompter-container {
    overflow: hidden;
    position: relative;
    width: 100%;
    padding-left: clamp(20px, 8vw, 120px);
    padding-right: clamp(20px, 8vw, 120px);
}

.text-content {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    font-size: var(--font-size-prompter);
    font-weight: 800;
    line-height: 1.35;
    text-align: center;
    white-space: pre-wrap;
    word-break: break-word;
    overflow-wrap: anywhere;
    hyphens: auto;
    padding-top: 50vh;
    padding-bottom: 50vh;
    position: absolute;
    left: 0;
    right: 0;
    transform: translateY(0);
}

.edit-container {
    background-color: var(--bg-color);
    display: none;
    justify-content: center;
    align-items: flex-start;
    padding-top: 120px;
    padding-left: 20px;
    padding-right: 20px;
}

.edit-container.view-active {
    display: flex;
}

.edit-wrapper {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: 16px;
    width: 100%;
    max-width: 900px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.edit-wrapper h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.file-upload-wrapper {
    position: relative;
    overflow: hidden;
    display: inline-block;
    width: 100%;
}

.file-input {
    position: absolute;
    font-size: 100px;
    opacity: 0;
    right: 0;
    top: 0;
    cursor: pointer;
    height: 100%;
}

.file-label {
    display: block;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 2px dashed rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 600;
}

.file-label:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-color);
}

textarea {
    width: 100%;
    min-height: 400px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-color);
    padding: 1rem;
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 1.2rem;
    resize: vertical;
    outline: none;
}

textarea:focus {
    border-color: var(--accent-color);
}

.edit-actions {
    display: flex;
    justify-content: flex-end;
}

.play-indicator {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    font-size: 5rem;
    color: rgba(255, 255, 255, 0.3);
    pointer-events: none;
    z-index: 1000;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s ease;
    opacity: 0;
}

.play-indicator.show {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}

@media (max-width: 900px) {
    .controls-bar {
        padding: 1rem;
    }

    main,
    section {
        padding-top: 150px;
    }

    .edit-wrapper {
        padding: 1.25rem;
    }

    textarea {
        min-height: 300px;
    }
}