/* Workout Voice Timer - Dark Theme CSS */

:root {
    --primary-color: #4a9eff;
    --primary-dark: #357abd;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --dark-bg: #121212;
    --dark-surface: #1e1e1e;
    --dark-surface-light: #2d2d2d;
    --dark-border: #404040;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-disabled: #6c6c6c;
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s ease;
}

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

html, body {
    height: 100%;
    font-family: var(--font-family);
    font-size: 16px;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    max-width: 100%;
}

/* Header */
.app-header {
    background-color: var(--dark-surface);
    padding: 1rem;
    border-bottom: 1px solid var(--dark-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.app-title {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.header-actions {
    display: flex;
    justify-content: space-around;
    gap: 0.5rem;
}

.nav-btn {
    flex: 1;
    padding: 0.75rem;
    background-color: var(--dark-surface-light);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

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

.nav-btn:hover:not(.active) {
    background-color: var(--dark-surface);
    color: var(--text-primary);
}

/* Main Content */
.app-main {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
}

.view {
    display: none;
    animation: fadeIn 0.3s ease;
}

.view.active-view {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Menu View */
.view-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.view-header h2 {
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

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

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

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

.btn-warning {
    background-color: var(--warning-color);
    color: #212529;
}

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

.btn-google {
    background-color: #4285f4;
    color: white;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.exercises-list {
    background-color: var(--dark-surface);
    border-radius: var(--border-radius);
    border: 1px solid var(--dark-border);
    min-height: 200px;
    margin-bottom: 1rem;
}

.exercise-item {
    padding: 1rem;
    border-bottom: 1px solid var(--dark-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: move;
    transition: var(--transition);
}

.exercise-item:last-child {
    border-bottom: none;
}

.exercise-item:hover {
    background-color: var(--dark-surface-light);
}

.exercise-info {
    flex: 1;
}

.exercise-name {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.exercise-reps {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

.icon-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 4px;
    transition: var(--transition);
}

.icon-btn:hover {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.1);
}

.sort-hint {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* Training View */
.training-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.exercise-display {
    background-color: var(--dark-surface);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    border: 1px solid var(--dark-border);
}

.exercise-display h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.countdown-display {
    margin: 2rem 0;
}

.countdown-number {
    font-size: 5rem;
    font-weight: 800;
    line-height: 1;
    color: var(--primary-color);
    text-shadow: 0 0 20px rgba(74, 158, 255, 0.3);
}

.countdown-label {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.progress-container {
    height: 8px;
    background-color: var(--dark-surface-light);
    border-radius: 4px;
    overflow: hidden;
    margin: 1.5rem 0;
}

.progress-bar {
    height: 100%;
    background-color: var(--primary-color);
    width: 0%;
    transition: width 0.5s ease;
}

.session-info {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1.5rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
}

.info-item i {
    color: var(--primary-color);
}

.training-controls {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.upcoming-exercises {
    background-color: var(--dark-surface);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    border: 1px solid var(--dark-border);
}

.upcoming-exercises h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.upcoming-exercises ul {
    list-style: none;
}

.upcoming-exercises li {
    padding: 0.75rem;
    border-bottom: 1px solid var(--dark-border);
    display: flex;
    justify-content: space-between;
}

.upcoming-exercises li:last-child {
    border-bottom: none;
}

.upcoming-exercises li.current {
    background-color: rgba(74, 158, 255, 0.1);
    border-left: 4px solid var(--primary-color);
}

/* Settings View */
.settings-container {
    background-color: var(--dark-surface);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    border: 1px solid var(--dark-border);
}

.settings-group {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--dark-border);
}

.settings-group:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.settings-group h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--dark-surface-light);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.hint {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.google-integration {
    padding: 1rem;
    background-color: var(--dark-surface-light);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--dark-border);
}

.auth-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.auth-status .fa-check-circle {
    color: var(--success-color);
}

.auth-status .fa-times-circle {
    color: var(--danger-color);
}

.settings-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--dark-surface);
    border-radius: var(--border-radius);
    width: 100%;
    max-width: 500px;
    border: 1px solid var(--dark-border);
    box-shadow: var(--shadow);
    animation: modalSlideIn 0.3s ease;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--dark-border);
}

.modal-header h3 {
    font-size: 1.3rem;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--dark-border);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

/* Loading States */
.loading {
    padding: 3rem;
    text-align: center;
    color: var(--text-secondary);
    font-style: italic;
}

/* Responsive Design */
@media (max-width: 768px) {
    .app-title {
        font-size: 1.3rem;
    }
    
    .nav-btn {
        font-size: 0.85rem;
        padding: 0.6rem;
    }
    
    .countdown-number {
        font-size: 4rem;
    }
    
    .training-controls {
        grid-template-columns: 1fr;
    }
    
    .btn-large {
        padding: 0.9rem 1.5rem;
    }
    
    .session-info {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .app-header {
        padding: 0.75rem;
    }
    
    .app-main {
        padding: 0.75rem;
    }
    
    .exercise-display {
        padding: 1.5rem;
    }
    
    .countdown-number {
        font-size: 3.5rem;
    }
    
    .view-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .view-header h2 {
        font-size: 1.2rem;
    }
    
    .settings-actions {
        flex-direction: column;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

/* Voice Test Button Pulse Animation */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.pulse {
    animation: pulse 1.5s infinite;
}

/* Exercise item drag state */
.exercise-item.dragging {
    opacity: 0.5;
    background-color: var(--dark-surface-light);
}

/* Training states */
.training-active .exercise-display {
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(74, 158, 255, 0.2);
}

.training-paused .exercise-display {
    border-color: var(--warning-color);
    box-shadow: 0 0 20px rgba(255, 193, 7, 0.2);
}

/* Message Area */
.message-area {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    pointer-events: none;
}

.message-item {
    background-color: var(--dark-surface);
    border-radius: var(--border-radius-sm);
    padding: 0.75rem 1.25rem;
    margin-bottom: 0.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--dark-border);
    max-width: 90%;
    min-width: 300px;
    text-align: center;
    animation: messageSlideIn 0.3s ease;
    pointer-events: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.message-item.success {
    background-color: rgba(40, 167, 69, 0.15);
    border-color: var(--success-color);
    color: #d4edda;
}

.message-item.error {
    background-color: rgba(220, 53, 69, 0.15);
    border-color: var(--danger-color);
    color: #f8d7da;
}

.message-item.info {
    background-color: rgba(74, 158, 255, 0.15);
    border-color: var(--primary-color);
    color: #d1ecf1;
}

.message-item.warning {
    background-color: rgba(255, 193, 7, 0.15);
    border-color: var(--warning-color);
    color: #fff3cd;
}

.message-text {
    flex: 1;
    font-weight: 500;
}

.message-close {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    font-size: 1.1rem;
    opacity: 0.7;
    padding: 0.25rem;
    border-radius: 4px;
}

.message-close:hover {
    opacity: 1;
    background-color: rgba(255, 255, 255, 0.1);
}

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

@keyframes messageFadeOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-10px);
    }
}

.message-item.fading {
    animation: messageFadeOut 0.3s ease forwards;
}

/* Celebration message for training completion */
.celebration-message {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--warning-color);
    text-shadow: 0 0 10px rgba(255, 193, 7, 0.5);
    animation: celebrationPulse 1.5s infinite;
    margin-top: 0.5rem;
}

@keyframes celebrationPulse {
    0% { opacity: 0.8; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); }
    100% { opacity: 0.8; transform: scale(1); }
}

/* Responsive adjustments for message area */
@media (max-width: 768px) {
    .message-area {
        top: 70px;
    }
    
    .message-item {
        min-width: 250px;
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }
    
    .celebration-message {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .message-area {
        top: 60px;
    }
    
    .message-item {
        min-width: 200px;
        max-width: 95%;
        padding: 0.5rem 0.75rem;
    }
}