/* Kimble Law Billing - Main Stylesheet */

/* CSS Variables for consistent theming */
:root {
    --primary-color: #1a4d7c;
    --primary-dark: #143a5f;
    --primary-light: #2563a0;
    --secondary-color: #c5a572;
    --text-dark: #1f2937;
    --text-medium: #4b5563;
    --text-light: #6b7280;
    --border-color: #e5e7eb;
    --bg-gray: #f9fafb;
    --success: #059669;
    --warning: #d97706;
    --danger: #dc2626;
    --white: #ffffff;
    
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-serif: Georgia, Cambria, "Times New Roman", Times, serif;
    
    --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: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
}

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

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-gray);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary-dark);
}

/* Navigation Bar */
.navbar {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand a {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.02em;
    padding: 1rem 0;
    display: block;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.5rem;
}

.nav-menu li a {
    padding: 1rem 1.25rem;
    display: block;
    color: var(--text-medium);
    font-weight: 500;
    font-size: 0.9375rem;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

.nav-menu li a:hover {
    color: var(--primary-color);
    background-color: var(--bg-gray);
}

.nav-menu li a.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    flex: 1;
}

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

.page-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: -0.03em;
}

.page-header .subtitle {
    color: var(--text-light);
    font-size: 1rem;
    margin-top: 0.25rem;
}

/* Cards */
.card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: box-shadow 0.2s ease;
}

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

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-gray);
}

.card-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
}

.card-body {
    padding: 1.5rem;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

/* Stats Cards */
.stat-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.stat-card .label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-medium);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.stat-card .value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.stat-card .change {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: 0.5rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.625rem 1.25rem;
    font-size: 0.9375rem;
    font-weight: 500;
    line-height: 1.5;
    text-align: center;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

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

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

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

.btn-secondary:hover {
    background-color: var(--bg-gray);
    border-color: var(--text-medium);
}

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

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

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* Forms */
.form-group {
    margin-bottom: .8rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-size: 0.9375rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group input[type="password"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text-dark);
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.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(26, 77, 124, 0.1);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0rem;
}

/* Tables */
.table-container {
    overflow-x: auto;
    margin-top: 1rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--white);
}

table thead {
    background-color: var(--bg-gray);
    border-bottom: 2px solid var(--border-color);
}

table th {
    padding: 0.875rem 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-medium);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

table td {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-dark);
}

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

table tbody tr:last-child td {
    border-bottom: none;
}

.table-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.table-actions a {
    font-size: 0.875rem;
}

/* Alerts */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    border: 1px solid transparent;
}

.alert-success {
    background-color: #d1fae5;
    border-color: #6ee7b7;
    color: #065f46;
}

.alert-error {
    background-color: #fee2e2;
    border-color: #fca5a5;
    color: #991b1b;
}

.alert-warning {
    background-color: #fef3c7;
    border-color: #fcd34d;
    color: #92400e;
}

.alert-info {
    background-color: #dbeafe;
    border-color: #93c5fd;
    color: #1e40af;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    border-radius: 0.375rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-success {
    background-color: #d1fae5;
    color: #065f46;
}

.badge-warning {
    background-color: #fef3c7;
    color: #92400e;
}

.badge-danger {
    background-color: #fee2e2;
    color: #991b1b;
}

.badge-info {
    background-color: #dbeafe;
    color: #1e40af;
}

.badge-secondary {
    background-color: var(--bg-gray);
    color: var(--text-medium);
}

/* Footer */
.footer {
    background-color: var(--white);
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    text-align: center;
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Login Page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 2rem;
}

.login-box {
    background-color: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.login-box h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
    text-align: center;
}

.login-subtitle {
    text-align: center;
    color: var(--text-medium);
    margin-bottom: 2rem;
    font-size: 0.9375rem;
}

.login-box .form-group {
    margin-bottom: 1.5rem;
}

.login-box .btn {
    margin-top: 0.5rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-light);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.3;
}

.empty-state h3 {
    font-size: 1.25rem;
    color: var(--text-medium);
    margin-bottom: 0.5rem;
}

.empty-state p {
    font-size: 0.9375rem;
    margin-bottom: 1.5rem;
}

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

/* Timer/Stopwatch Styles */
.timer-container {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-lg);
    padding: 0.7rem 0 .1rem 0;
    margin-bottom: .4rem;
    box-shadow: var(--shadow-lg);
}

.timer-display {
    text-align: center;
    color: var(--white);
}

.timer-label {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.timer-time {
    font-size: 1.2rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.05em;
    margin-bottom: .5rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    font-family: 'Courier New', monospace;
}

.timer-controls {
    display: flex;
    gap: 6%;
    justify-content: center;
    margin-bottom: 1rem;
}

.timer-controls .btn {
    min-width: 100px;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transition: all 0.2s ease;
}

.timer-controls .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.timer-controls .btn:active {
    transform: translateY(0);
}

.timer-info {
    text-align: center;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.875rem;
    margin-top: 1rem;
    font-style: italic;
}

.timer-running .timer-time {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

.form-help {
    display: block;
    font-size: 0.8125rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

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

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

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.flex {
    display: flex;
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        flex-wrap: wrap;
    }
    
    .nav-menu li a {
        padding: 0.75rem 0.875rem;
        font-size: 0.875rem;
    }
    
    .container {
        padding: 1rem;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .card-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    table {
        font-size: 0.875rem;
    }
    
    table th,
    table td {
        padding: 0.625rem 0.75rem;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .footer,
    .btn,
    .table-actions {
        display: none;
    }
    
    body {
        background-color: var(--white);
    }
    
    .card {
        box-shadow: none;
        border: 1px solid var(--border-color);
    }
}