:root {
    --bg: #0e1115;
    --bg-panel: #14181f;
    --bg-input: #171c25;
    --border: #262b35;
    --text: #f2f2f2;
    --text-muted: #818898;
    --accent: #f69e23;
    --accent-text: #0e1115;
    --accent-hover: #e08e18;
    --radius: 10px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
}

.controller-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.controller-header {
    background: var(--bg-panel);
    color: var(--text);
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    border-bottom: 1px solid var(--border);
}

.header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.header-row-bottom {
    padding-top: 10px;
    border-top: 1px solid var(--border);
}

.brand-title {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.2px;
}

.connection-info {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

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

.status-indicator {
    font-size: 16px;
}

.status-indicator.connected {
    color: #3ddc84;
}

.status-indicator.disconnected {
    color: #ef5350;
}

.status-indicator.connecting {
    color: var(--accent);
}

.display-url {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.display-url label {
    opacity: 0.7;
    color: var(--text-muted);
    white-space: nowrap;
}

.display-url-value {
    max-width: 260px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text);
}

.display-url button {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-family: inherit;
}

.display-url button:hover {
    background: #1c222c;
    border-color: var(--accent);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.language-switcher select {
    padding: 6px 10px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 6px;
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
}

.language-switcher select:hover {
    border-color: var(--accent);
}

.language-switcher select:focus {
    outline: none;
    border-color: var(--accent);
}

.controller-content {
    flex: 1;
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 20px;
    padding: 20px;
}

.controls-section {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    padding: 20px;
    border-radius: var(--radius);
    height: fit-content;
}

.control-group {
    margin-bottom: 25px;
}

.control-group:last-child {
    margin-bottom: 0;
}

.control-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text);
}

.format-note {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 10px;
    line-height: 1.4;
    font-style: italic;
}

.paste-hint {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 10px;
    line-height: 1.4;
}

.control-group input[type="file"] {
    width: 100%;
    padding: 10px;
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    background: var(--bg-input);
    color: var(--text-muted);
    margin-bottom: 10px;
    cursor: pointer;
}

.control-group input[type="file"]:hover {
    border-color: var(--accent);
    background: #1c222c;
}

.control-group input[type="range"] {
    width: 70%;
    margin-right: 10px;
    accent-color: var(--accent);
}

.control-group input[type="number"] {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    background: var(--bg-input);
    color: var(--text);
}

.control-group button {
    padding: 8px 16px;
    background: var(--accent);
    border: none;
    border-radius: 6px;
    color: var(--accent-text);
    font-weight: 600;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.3s;
}

.control-group button:hover {
    background: var(--accent-hover);
}

.file-options {
    display: flex;
    gap: 10px;
    margin-top: 10px;
    flex-wrap: wrap;
}

.format-btn {
    background: var(--bg-input) !important;
    color: var(--text) !important;
    border: 1px solid var(--border) !important;
}

.format-btn:hover {
    border-color: var(--accent) !important;
}

.formatting-options {
    margin-top: 15px;
    padding: 15px;
    background: var(--bg-input);
    border-radius: 6px;
    border-left: 4px solid var(--accent);
}

.format-details {
    margin-top: 10px;
}

.format-details summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--text);
    padding: 5px 0;
}

.format-details summary:hover {
    color: var(--accent);
}

.format-checkboxes {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 10px;
    padding-left: 15px;
}

.format-checkboxes .checkbox-label {
    font-size: 13px;
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .format-checkboxes {
        grid-template-columns: 1fr;
    }

    .file-options {
        flex-direction: column;
    }
}

.time-input-group {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 15px;
}

.time-input {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.time-input input {
    width: 60px;
    padding: 8px 6px;
    border: 1px solid var(--border);
    border-radius: 6px;
    text-align: center;
    font-size: 16px;
    font-weight: bold;
    background: var(--bg-input);
    color: var(--text);
}

.time-input label {
    font-size: 12px;
    color: var(--text-muted);
    margin: 0;
}

.time-separator {
    font-size: 24px;
    font-weight: bold;
    color: var(--text);
    margin: 0 4px;
}

.scheduled-time-group {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 10px;
}

.scheduled-time-group input[type="datetime-local"] {
    flex: 1;
    padding: 8px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    background: var(--bg-input);
    color: var(--text);
}

.schedule-info {
    font-size: 12px;
    color: var(--text-muted);
    font-style: italic;
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: normal !important;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent);
}

.duration-info {
    margin-top: 12px;
    padding: 15px;
    background: var(--bg-input);
    border-radius: 6px;
    font-size: 13px;
    border-left: 4px solid var(--accent);
}

.info-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    color: var(--text-muted);
}

.info-row:last-child {
    margin-bottom: 0;
}

.duration-diff {
    font-weight: bold;
    border-top: 1px solid var(--border);
    padding-top: 8px;
    margin-top: 8px;
    color: var(--text);
}

.duration-diff.positive {
    color: #3ddc84;
}

.duration-diff.negative {
    color: #ef5350;
}

.duration-diff.neutral {
    color: var(--accent);
}

.text-preview {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
}

.text-preview h3 {
    padding: 20px 20px 0;
    color: var(--text);
    font-weight: 600;
}

.preview-area {
    flex: 1;
    padding: 20px;
}

#text-preview {
    min-height: 400px;
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 20px;
    font-size: 16px;
    line-height: 1.6;
    outline: none;
    background: var(--bg-input);
    color: var(--text);
    cursor: text;
}

#text-preview:focus {
    border-color: var(--accent);
    background: #171c25;
}

#text-preview p {
    margin-bottom: 16px;
}

.control-panel {
    background: var(--bg-panel);
    border-top: 1px solid var(--border);
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.playback-controls {
    display: flex;
    gap: 15px;
}

.control-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    min-width: 100px;
    justify-content: center;
}

.control-btn .btn-icon {
    font-size: 18px;
}

.control-btn.start {
    background: var(--accent);
    color: var(--accent-text);
}

.control-btn.start:hover:not(:disabled) {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.control-btn.pause {
    background: var(--bg-input);
    color: var(--text);
    border: 1px solid var(--border);
}

.control-btn.pause:hover:not(:disabled) {
    border-color: var(--accent);
    transform: translateY(-1px);
}

.control-btn.reset {
    background: transparent;
    color: #ef5350;
    border: 1px solid #ef5350;
}

.control-btn.reset:hover:not(:disabled) {
    background: rgba(239, 83, 80, 0.1);
    transform: translateY(-1px);
}

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

.timer-info {
    display: flex;
    align-items: center;
}

.timer-display {
    display: flex;
    gap: 30px;
}

.timer-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.timer-item label {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
}

.timer-item span {
    font-size: 24px;
    font-weight: bold;
    font-family: 'Courier New', monospace;
    color: var(--text);
}

/* Tablet e abaixo: uma coluna, área de texto primeiro */
@media (max-width: 1200px) {
    .controller-content {
        grid-template-columns: 1fr;
    }

    .controls-section {
        order: 2;
    }

    .text-preview {
        order: 1;
    }

    #text-preview {
        min-height: 260px;
    }
}

/* Celular e tablet: toque confortável, sem zoom automático no iOS */
@media (max-width: 768px) {
    body {
        -webkit-text-size-adjust: 100%;
    }

    .controller-header {
        padding: 14px 16px;
    }

    .brand-title {
        font-size: 18px;
    }

    .header-row-bottom {
        flex-direction: column;
        align-items: flex-start;
    }

    .display-url {
        flex-wrap: wrap;
        width: 100%;
    }

    .display-url-value {
        max-width: 55vw;
    }

    .language-switcher select {
        font-size: 12px;
        padding: 5px 8px;
    }

    .controller-content {
        padding: 12px;
        gap: 12px;
    }

    .controls-section {
        padding: 16px;
    }

    /* Evita zoom automático do iOS ao focar campos (exige >=16px) */
    .control-group input[type="number"],
    .control-group input[type="datetime-local"],
    .time-input input,
    #text-preview {
        font-size: 16px;
    }

    .control-group button,
    .display-url button,
    .checkbox-label input[type="checkbox"] {
        min-height: 40px;
    }

    .checkbox-label input[type="checkbox"] {
        width: 20px;
        height: 20px;
        min-height: 20px;
    }

    .file-options {
        flex-direction: column;
    }

    .file-options button {
        width: 100%;
        min-height: 44px;
    }

    .control-panel {
        flex-direction: column;
        align-items: stretch;
        padding: 16px;
    }

    .playback-controls {
        justify-content: center;
    }

    .control-btn {
        flex: 1;
        min-height: 48px;
        padding: 14px 16px;
    }

    .timer-display {
        justify-content: center;
        gap: 20px;
    }

    #text-preview {
        min-height: 200px;
    }
}

/* Celular pequeno (retrato) */
@media (max-width: 420px) {
    .timer-display {
        gap: 12px;
    }

    .timer-item span {
        font-size: 20px;
    }

    .format-btn {
        font-size: 13px;
    }
}