/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: hsl(173, 80%, 40%);
    --primary-hover: hsl(173, 80%, 35%);
    --secondary-color: #64748b;
    --danger-color: #dc2626;
    --danger-hover: #b91c1c;
    --success-color: #16a34a;
    --background: #f8fafc;
    --surface: #ffffff;
    --border: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 2rem;
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Settings Panel */
.settings-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    align-items: center;
}

.setting-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.setting-group label {
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
}

.api-key-wrapper {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

#api-key-display {
    width: 200px;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    background: var(--background);
}

#interval-select {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    background: var(--surface);
    cursor: pointer;
    transition: border-color 0.2s;
}

#interval-select:hover {
    border-color: var(--primary-color);
}

.countdown-wrapper {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
}

.countdown-label {
    color: var(--text-secondary);
}

#countdown-display {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

/* Main Content */
.main-content {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}

.transcript-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.transcript-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.transcript-actions {
    display: flex;
    gap: 0.75rem;
}

/* Transcript List */
.transcript-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.transcript-entry {
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    transition: box-shadow 0.2s;
}

.transcript-entry:hover {
    box-shadow: var(--shadow-md);
}

.entry-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 0.75rem;
}

.entry-time {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.time-range {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
}

.recorded-at {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.entry-actions {
    display: flex;
    gap: 0.5rem;
}

.entry-text {
    color: var(--text-primary);
    line-height: 1.7;
    white-space: pre-wrap;
    word-break: break-word;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.empty-state p:first-child {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.empty-subtitle {
    font-size: 1rem;
}

/* Buttons */
button {
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--surface);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

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

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

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

.btn-icon {
    background: transparent;
    padding: 0.375rem;
    font-size: 1rem;
    border: 1px solid var(--border);
}

.btn-icon:hover {
    background: var(--background);
    border-color: var(--secondary-color);
}

.btn-large {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
}

/* Switch Toggle */
.switch-label {
    font-weight: 500;
    color: var(--text-secondary);
}

.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.switch input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--border);
    transition: .3s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

input:checked + .slider {
    background-color: var(--primary-color);
}

input:checked + .slider:before {
    transform: translateX(20px);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 2rem;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-content h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.modal-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.time-period {
    text-align: center;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    padding: 0.75rem;
    background: var(--background);
    border-radius: var(--radius-md);
}

/* Form Elements */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.form-group input[type="text"],
.form-group input[type="password"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.1);
}

/* Recording Controls */
.recording-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.recording-status {
    text-align: center;
    margin-bottom: 1rem;
    font-weight: 500;
    min-height: 1.5rem;
}

.recording-status.active {
    color: var(--danger-color);
    animation: pulse 1.5s ease-in-out infinite;
}

.recording-status.processing {
    color: var(--primary-color);
}

.recording-status.success {
    color: var(--success-color);
}

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

/* Transcript Preview */
.transcript-preview {
    margin-bottom: 1.5rem;
}

.transcript-preview label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.live-transcript {
    width: 100%;
    min-height: 150px;
    max-height: 300px;
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--background);
    overflow-y: auto;
    font-size: 0.9375rem;
    line-height: 1.7;
    white-space: pre-wrap;
    word-break: break-word;
}

.live-transcript:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.1);
}

.live-transcript:empty::before {
    content: attr(data-placeholder);
    color: var(--text-secondary);
}

/* Modal Actions */
.modal-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
}

.modal-footer {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.modal-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.modal-footer a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .header h1 {
        font-size: 2rem;
    }

    .settings-panel {
        flex-direction: column;
        align-items: stretch;
    }

    .setting-group {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }

    .countdown-wrapper {
        margin-left: 0;
        justify-content: center;
    }

    .transcript-header {
        flex-direction: column;
        align-items: stretch;
    }

    .transcript-actions {
        flex-direction: column;
    }

    .modal-actions {
        flex-direction: column;
    }

    .modal-actions button {
        width: 100%;
    }
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.mt-1 {
    margin-top: 0.5rem;
}

.mt-2 {
    margin-top: 1rem;
}

.mb-1 {
    margin-bottom: 0.5rem;
}

.mb-2 {
    margin-bottom: 1rem;
}