@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --primary-red: #D32F2F;
    --primary-red-hover: #B71C1C;
    --primary-white: #FFFFFF;
    --bg-light: #F4F6F8;
    --text-main: #2C3E50;
    --text-muted: #7F8C8D;
    --border-color: #E2E8F0;
    --sidebar-width: 250px;
    --header-height: 70px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    --radius-md: 8px;
    --radius-lg: 12px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-light);
    color: var(--text-main);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Utilities */
.text-red { color: var(--primary-red); }
.bg-red { background-color: var(--primary-red); color: var(--primary-white); }
.bg-white { background-color: var(--primary-white); }
.shadow-md { box-shadow: var(--shadow-md); }
.rounded-md { border-radius: var(--radius-md); }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.m-4 { margin: 1rem; }
.m-b-4 { margin-bottom: 1rem; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    font-size: 0.9rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-red-hover);
    box-shadow: var(--shadow-sm);
    transform: translateY(-1px);
}

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

.btn-outline:hover {
    background-color: #f8fafc;
}

/* Form Controls */
.form-group {
    margin-bottom: 1.2rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-main);
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    background-color: var(--primary-white);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-red);
    box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.1);
}

/* Status Badges */
.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}
.badge-warning { background-color: #FEF3C7; color: #92400E; }
.badge-info { background-color: #DBEAFE; color: #1E40AF; }
.badge-success { background-color: #D1FAE5; color: #065F46; }

/* Dashboard Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    background-color: var(--primary-white);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
}

.sidebar-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-red);
}

.sidebar-nav {
    flex: 1;
    padding: 1.5rem 1rem;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    color: var(--text-muted);
    border-radius: var(--radius-md);
    margin-bottom: 0.5rem;
    transition: all 0.2s;
    font-weight: 500;
}

.nav-item:hover, .nav-item.active {
    background-color: rgba(211, 47, 47, 0.08);
    color: var(--primary-red);
}

.nav-item i {
    margin-right: 0.75rem;
    font-size: 1.2rem;
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
}

.header {
    height: var(--header-height);
    background-color: var(--primary-white);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 90;
}

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

/* Cards */
.card {
    background-color: var(--primary-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-main);
}

.card-body {
    padding: 1.5rem;
}

/* Stat Cards */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-left: 4px solid var(--primary-red);
}

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

.stat-info p {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-main);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(211, 47, 47, 0.1);
    color: var(--primary-red);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
}

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

.table th, .table td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    background-color: #f8fafc;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table tbody tr:hover {
    background-color: #f8fafc;
}

/* Modals / Forms Layout */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-section-title {
    grid-column: 1 / -1;
    font-size: 1.1rem;
    font-weight: 600;
    margin: 1rem 0 0.5rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

/* File Upload Box */
.upload-box {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem;
    text-align: center;
    background-color: #fafafa;
    cursor: pointer;
    transition: all 0.2s;
}

.upload-box:hover {
    border-color: var(--primary-red);
    background-color: rgba(211, 47, 47, 0.02);
}

.upload-box i {
    font-size: 2rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); transition: transform 0.3s ease; box-shadow: 2px 0 5px rgba(0,0,0,0.1); }
    .sidebar.show { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .form-grid { grid-template-columns: 1fr; }
    #sidebarToggle { display: block !important; }
    .hide-mobile { display: none !important; }
}