/**
 * Mobile-First Time Tracking App Styles
 */

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

:root {
    --primary-color: #4285F4;
    --success-color: #34A853;
    --danger-color: #EA4335;
    --warning-color: #FBBC05;
    --text-color: #202124;
    --text-secondary: #5F6368;
    --bg-color: #F8F9FA;
    --card-bg: #FFFFFF;
    --border-color: #DADCE0;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 100%;
    margin: 0 auto;
    padding: 16px;
    min-height: 100vh;
}

/* Header */
.header {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 0;
}

.avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color);
}

.user-info h2 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-email {
    font-size: 14px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.logout-btn {
    padding: 8px 16px;
    background: var(--danger-color);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    transition: background 0.2s;
}

.logout-btn:hover {
    background: #C5221F;
}

/* Login Card */
.login-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 32px 24px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    max-width: 400px;
    margin: 40px auto;
}

.logo {
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
    color: var(--primary-color);
}

.login-card h1 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
}

.subtitle {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 14px;
}

.google-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 12px 24px;
    background: white;
    color: var(--text-color);
    text-decoration: none;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    font-size: 16px;
    font-weight: 500;
    width: 100%;
    transition: all 0.2s;
    box-shadow: var(--shadow);
}

.google-btn:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-1px);
}

.google-btn svg {
    flex-shrink: 0;
}

.error-message {
    background: #FEE;
    color: var(--danger-color);
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    border: 1px solid #FFCDD2;
}

/* QR Code Section */
.qr-section {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    text-align: center;
}

.qr-section h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
}

.qr-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

#qrcode {
    padding: 16px;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.qr-info {
    width: 100%;
}

.qr-timer {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.qr-timer span {
    font-size: 18px;
}

.qr-hint {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Scan Card */
.scan-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 32px 24px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    max-width: 400px;
    margin: 40px auto;
}

.scan-header h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
}

.scan-subtitle {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 14px;
}

.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.action-form {
    width: 100%;
}

.action-btn {
    width: 100%;
    padding: 16px 24px;
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 600;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: all 0.2s;
    box-shadow: var(--shadow);
}

.checkin-btn {
    background: var(--success-color);
}

.checkin-btn:hover {
    background: #2E7D32;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.checkout-btn:hover {
    background: #C5221F;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.scan-info {
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    font-size: 14px;
    color: var(--text-secondary);
}

.scan-info p {
    margin-bottom: 8px;
}

.scan-info strong {
    color: var(--text-color);
}

/* Success Card */
.success-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 32px 24px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    max-width: 400px;
    margin: 40px auto;
}

.success-icon {
    margin-bottom: 24px;
}

.success-card h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--success-color);
}

.success-message {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.action-details {
    background: var(--bg-color);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 24px;
    text-align: left;
}

.action-details p {
    margin-bottom: 8px;
    font-size: 14px;
}

.success-actions {
    margin-top: 24px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s;
}

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

.btn-primary:hover {
    background: #3367D6;
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

/* Recent Activity */
.recent-activity {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow);
}

.recent-activity h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
}

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

.activity-type {
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    min-width: 80px;
    text-align: center;
}

.activity-type.checkin {
    background: #E8F5E9;
    color: var(--success-color);
}

.activity-type.checkout {
    background: #FFEBEE;
    color: var(--danger-color);
}

.activity-details {
    flex: 1;
}

.activity-time {
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 4px;
}

.activity-date {
    font-size: 12px;
    color: var(--text-secondary);
}

.loading, .no-activity, .error {
    text-align: center;
    padding: 24px;
    color: var(--text-secondary);
    font-size: 14px;
}

.error {
    color: var(--danger-color);
}

/* Responsive Design */
@media (min-width: 768px) {
    .container {
        max-width: 600px;
        padding: 24px;
    }
    
    .login-card,
    .scan-card,
    .success-card {
        padding: 40px;
    }
    
    .qr-section {
        padding: 32px;
    }
}

/* Prevent text selection on buttons */
button, a.btn {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

/* Smooth transitions */
* {
    transition: background-color 0.2s, color 0.2s, transform 0.2s;
}