/* Vault UI Style Sheet */

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    /* Spacing Scale */
    --spacing-xs: 0.25rem;   /* 4px */
    --spacing-sm: 0.5rem;    /* 8px */
    --spacing-md: 0.75rem;   /* 12px */
    --spacing-base: 1rem;    /* 16px */
    --spacing-lg: 1.5rem;    /* 24px */
    --spacing-xl: 2rem;     /* 32px */
    --spacing-2xl: 3rem;    /* 48px */
    --spacing-3xl: 4rem;    /* 64px */
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: #ffffff;
}

/* Navigation */
.navbar {
    background: #ffffff;
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark) !important;
    text-decoration: none;
    transition: color 0.2s;
}

.navbar-brand:hover {
    color: var(--primary-color) !important;
}

.navbar-nav .nav-link {
    color: var(--text-dark) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: color 0.2s;
    position: relative;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 1rem;
    right: 1rem;
    height: 2px;
    background: var(--primary-color);
    transform: scaleX(0);
    transition: transform 0.2s;
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    transform: scaleX(1);
}

.navbar-nav .nav-link:hover {
    color: var(--primary-color) !important;
}

.navbar-toggler {
    border: 1px solid var(--border-color);
    padding: 0.5rem;
    transition: all 0.2s;
}

.navbar-toggler:hover {
    border-color: var(--primary-color);
}

.navbar-toggler-icon i {
    font-size: 1.2rem;
}

/* Buttons */
.btn {
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-primary:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.btn-outline-primary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline-primary:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.btn-outline-secondary {
    background: transparent;
    color: var(--text-dark);
    border: 2px solid var(--border-color);
}

.btn-outline-secondary:hover {
    background: var(--bg-light);
    border-color: var(--text-dark);
    transform: translateY(-2px);
}

.btn-outline-secondary:focus {
    outline: 2px solid var(--text-dark);
    outline-offset: 2px;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Cards */
.card {
    background: #ffffff;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.card-hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.card-body {
    padding: 2rem;
}

.card-header {
    padding: 1.5rem 2rem;
    background: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-dark);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.875rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
}

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

a:hover,
a:hover *,
a:focus,
a:focus * {
    color: var(--primary-dark);
    text-decoration: none !important;
}

a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    border-radius: 2px;
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table thead th {
    background: var(--bg-light);
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-dark);
    border-bottom: 2px solid var(--border-color);
}

.table tbody td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s;
}

.table tbody tr {
    transition: background 0.2s, transform 0.1s;
}

.table tbody tr:hover {
    background: var(--bg-light);
    transform: scale(1.01);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    border-radius: 0.375rem;
    font-weight: 500;
    font-size: 0.875rem;
    transition: transform 0.2s;
}

.badge:hover {
    transform: scale(1.05);
}

.badge.bg-success {
    background: #10b981;
    color: #ffffff;
}

.badge.bg-primary {
    background: var(--primary-color);
    color: #ffffff;
}

.badge.bg-info {
    background: #3b82f6;
    color: #ffffff;
}

/* Footer */
footer {
    background: var(--bg-light);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    margin-top: 4rem;
}

/* Forms */
.form-control,
select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    font-family: 'Poppins', sans-serif;
    transition: all 0.2s;
    background: #ffffff;
}

.form-control:focus,
select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-control:hover,
select:hover {
    border-color: var(--primary-color);
}

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

/* Pagination */
.pagination {
    display: flex;
    gap: 0.5rem;
    list-style: none;
    padding: 0;
    margin: 0;
    justify-content: center;
    align-items: center;
}

.pagination li {
    display: inline-block;
}

.pagination a,
.pagination span {
    display: inline-block;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-dark);
    text-decoration: none;
    transition: all 0.2s;
    min-width: 2.5rem;
    text-align: center;
}

.pagination a:hover {
    background: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.pagination .active span {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    font-weight: 600;
}

.pagination .disabled span {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Empty States */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
}

.empty-state i {
    font-size: 3rem;
    color: var(--text-light);
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state p {
    color: var(--text-light);
    font-size: 1.125rem;
    margin: 0;
}

/* Breadcrumbs */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem 0;
    font-size: 0.875rem;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
}

.breadcrumb-item a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.2s;
}

.breadcrumb-item a:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.breadcrumb-item.active {
    color: var(--text-dark);
    font-weight: 500;
}

.breadcrumb-item:not(:last-child)::after {
    content: '/';
    margin-left: 0.5rem;
    color: var(--text-light);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3rem;
    height: 3rem;
    background: var(--primary-color);
    color: #ffffff;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 999;
    box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.back-to-top:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Loading States */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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

.skeleton {
    background: linear-gradient(90deg, var(--bg-light) 25%, #e2e8f0 50%, var(--bg-light) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: 0.5rem;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Utilities */
.text-muted {
    color: var(--text-light);
}

.shadow-3-strong {
    box-shadow: var(--shadow-lg);
}

.shadow-2-strong {
    box-shadow: var(--shadow-md);
}

/* Responsive */
@media (max-width: 768px) {
    .card-body {
        padding: 1.5rem;
    }
    
    .back-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 2.5rem;
        height: 2.5rem;
    }
}