/* DocSign - Navy Blue & White Theme */

:root {
    --navy-blue: #001f3f;
    --navy-blue-dark: #001529;
    --navy-blue-light: #003366;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --border-gray: #dee2e6;
    --text-dark: #212529;
    --text-muted: #6c757d;
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ffc107;
    --info: #17a2b8;
}

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

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

/* Header */
.header {
    background-color: var(--white);
    border-bottom: 3px solid var(--navy-blue);
    padding: 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.logo-container {
    display: flex;
    align-items: center;
    background-color: var(--white);
    padding: 0.5rem;
}

.logo-container img {
    height: 50px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--navy-blue);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: var(--navy-blue-light);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--navy-blue);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

/* Buttons */
.btn {
    padding: 0.6rem 1.5rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
}

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

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

.btn-secondary {
    background-color: var(--white);
    color: var(--navy-blue);
    border: 2px solid var(--navy-blue);
}

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

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

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

.btn-sm {
    padding: 0.4rem 1rem;
    font-size: 0.9rem;
}

.btn-lg {
    padding: 0.8rem 2rem;
    font-size: 1.1rem;
}

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

.container-fluid {
    width: 100%;
    padding: 2rem;
}

/* Cards */
.card {
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card-header {
    border-bottom: 2px solid var(--navy-blue);
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

.card-header h2 {
    color: var(--navy-blue);
    font-size: 1.5rem;
}

.card-body {
    padding: 1rem 0;
}

.card-footer {
    border-top: 1px solid var(--border-gray);
    padding-top: 1rem;
    margin-top: 1rem;
}

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

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

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-gray);
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--navy-blue);
    box-shadow: 0 0 0 3px rgba(0, 31, 63, 0.1);
}

.form-select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-gray);
    border-radius: 5px;
    font-size: 1rem;
}

/* Grid System */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -0.75rem;
}

.col {
    flex: 1;
    padding: 0 0.75rem;
}

.col-1 { flex: 0 0 8.333%; max-width: 8.333%; }
.col-2 { flex: 0 0 16.666%; max-width: 16.666%; }
.col-3 { flex: 0 0 25%; max-width: 25%; }
.col-4 { flex: 0 0 33.333%; max-width: 33.333%; }
.col-6 { flex: 0 0 50%; max-width: 50%; }
.col-8 { flex: 0 0 66.666%; max-width: 66.666%; }
.col-9 { flex: 0 0 75%; max-width: 75%; }
.col-12 { flex: 0 0 100%; max-width: 100%; }

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

.table thead {
    background-color: var(--navy-blue);
    color: var(--white);
}

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

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

/* Badges */
.badge {
    display: inline-block;
    padding: 0.3rem 0.6rem;
    border-radius: 3px;
    font-size: 0.85rem;
    font-weight: 500;
}

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

.badge-warning {
    background-color: var(--warning);
    color: var(--text-dark);
}

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

.badge-primary {
    background-color: var(--navy-blue);
    color: var(--white);
}

/* Alert */
.alert {
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background-color: var(--navy-blue);
    color: var(--white);
    min-height: calc(100vh - 70px);
    padding: 2rem 0;
}

.sidebar-menu {
    list-style: none;
}

.sidebar-menu li {
    margin-bottom: 0.5rem;
}

.sidebar-menu a {
    display: block;
    padding: 1rem 2rem;
    color: var(--white);
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background-color: var(--navy-blue-light);
}

/* Main Layout */
.main-layout {
    display: flex;
}

.main-content {
    flex: 1;
    padding: 2rem;
}

/* Stats Card */
.stats-card {
    background-color: var(--white);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    text-align: center;
}

.stats-card h3 {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.stats-card .stats-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--navy-blue);
}

/* Auth Pages */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--light-gray);
}

.auth-card {
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 450px;
    padding: 2rem;
}

.auth-logo {
    text-align: center;
    margin-bottom: 2rem;
    background-color: var(--white);
    padding: 1rem;
}

.auth-logo img {
    height: 60px;
    width: auto;
}

.auth-title {
    text-align: center;
    color: var(--navy-blue);
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

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

.modal-content {
    background-color: var(--white);
    border-radius: 8px;
    padding: 2rem;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--navy-blue);
}

.modal-title {
    color: var(--navy-blue);
    font-size: 1.5rem;
}

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

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-navy { color: var(--navy-blue); }

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

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

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

.d-flex { display: flex; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-menu {
        flex-direction: column;
        gap: 0.5rem;
    }

    .main-layout {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        min-height: auto;
    }

    .col-4, .col-6, .col-8 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}