/* 
Time Tracker - Minimal, Clean CSS
A simple and professional design for the time tracking application
*/

/* CSS Variables for consistent theming */
:root {
    --primary-color: #3498db;
    --primary-dark: #2980b9;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --secondary-color: #95a5a6;
    
    --bg-color: #f8f9fa;
    --surface-color: #ffffff;
    --text-color: #2c3e50;
    --text-muted: #7f8c8d;
    --border-color: #dee2e6;
    
    --shadow: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-lg: 0 4px 6px rgba(0,0,0,0.1);
    --border-radius: 8px;
    --transition: all 0.2s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Navigation */
.navbar {
    background: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.nav-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 1rem;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-link:hover {
    background: var(--bg-color);
    color: var(--primary-color);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 2rem 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Page Headers */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-color);
}

/* Cards and Sections */
.section {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

.section h2 {
    margin-bottom: 1rem;
    color: var(--text-color);
    font-weight: 600;
}

.form-card {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    gap: 0.5rem;
}

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

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

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

.btn-secondary:hover {
    background: #7f8c8d;
}

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

.btn-success:hover {
    background: #219a52;
}

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

.btn-danger:hover {
    background: #c0392b;
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

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

/* Tables */
.entries-table,
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background: var(--bg-color);
    font-weight: 600;
    color: var(--text-color);
}

tr:hover {
    background: var(--bg-color);
}

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

/* Stats and Dashboard */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow);
}

.stat-card h3, .stat-card h4 {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Companies */
.companies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.company-card {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.company-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.company-card h3 {
    margin-bottom: 1rem;
    color: var(--text-color);
}

.card-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.companies-list .company-item {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.company-info h3 {
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.company-stats {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

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

/* Badges */
.company-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: white;
}

.filter-tag {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    margin-right: 0.5rem;
}

/* Progress Bars */
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    margin: 0.5rem 0;
}

.progress-fill {
    height: 100%;
    transition: width 0.3s ease;
}

.progress-section {
    margin-top: 1rem;
}

.progress-text {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

/* Summary */
.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.summary-card {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary-color);
}

.summary-card.over-target {
    border-left-color: var(--danger-color);
}

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

.period-label {
    background: var(--bg-color);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.summary-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1rem;
}

.stat {
    text-align: center;
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.stat-value {
    display: block;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
}

/* Badges for status */
.over-target-badge {
    background: var(--danger-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 500;
}

.under-target {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Period Selector */
.period-selector {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

.period-buttons {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

/* Filters */
.filters-card {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

.active-filters {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* Quick Add */
.quick-add-section {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-top: 2rem;
    box-shadow: var(--shadow);
}

.quick-buttons {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

/* Entry Info */
.entry-info {
    background: var(--bg-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.entry-info h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Edit Forms */
.edit-form {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* Flash Messages */
.flash-messages {
    position: fixed;
    top: 80px;
    right: 1rem;
    z-index: 1000;
    max-width: 400px;
}

.flash-message {
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 0.5rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.flash-success {
    background: var(--success-color);
    color: white;
}

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

.flash-close {
    background: none;
    border: none;
    color: inherit;
    font-size: 1.25rem;
    cursor: pointer;
    margin-left: 1rem;
}

/* Empty States */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
}

.empty-state p {
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

/* Footer */
.footer {
    background: var(--surface-color);
    border-top: 1px solid var(--border-color);
    padding: 1rem 0;
    margin-top: auto;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .entries-table th,
    .entries-table td {
        font-size: 0.8125rem;
        padding: 0.5rem 0.625rem;
    }

    .nav-container {
        flex-direction: column;
        height: auto;
        padding: 1rem;
    }
    
    .nav-links {
        margin-top: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .page-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .company-stats {
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .companies-list .company-item {
        flex-direction: column;
        gap: 1rem;
    }
    
    .company-actions {
        justify-content: flex-start;
    }
    
    .summary-stats {
        grid-template-columns: 1fr;
    }
    
    .period-buttons {
        flex-direction: column;
    }
    
    .quick-buttons {
        justify-content: center;
    }
    
    .flash-messages {
        right: 0.5rem;
        left: 0.5rem;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.5rem;
    }
    
    .form-card, .section {
        padding: 1rem;
    }
    
    .nav-container {
        padding: 0.5rem;
    }
    
    .main-content {
        padding: 1rem 0;
    }
}

/* Login Page */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
}

.login-card {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 2rem;
    width: 100%;
    max-width: 400px;
}

.login-card h2 {
    margin-bottom: 1.5rem;
    color: var(--text-color);
    font-size: 1.5rem;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-check input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    cursor: pointer;
}

.form-check label {
    margin: 0;
    cursor: pointer;
    font-weight: normal;
}

.btn-full {
    width: 100%;
    margin-top: 0.5rem;
}

.nav-logout {
    color: var(--danger-color);
}

.nav-logout:hover {
    background: #fdf2f2;
    color: var(--danger-color);
}