:root {
    --primary: #13375A;
    --primary-hover: #327483;
    --bg-body: #f3f4f6;
    --bg-card: #ffffff;
    --text-main: #111827;
    --text-muted: #6b7280;
    --border: #e5e7eb;
    --success: #10b981;
    --danger: #ef4444;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    margin: 0;
    padding: 0;
    line-height: 1.5;
}

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

.card {
    background: var(--bg-card);
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: inherit;
    line-height: 1;
    position: relative;
    overflow: hidden;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.btn:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

button.btn {
    font-size: 1rem !important;
}

.btn-primary {
    background: linear-gradient(135deg, #13375A 0%, #1d4ed8 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1d4ed8 0%, #13375A 100%);
    opacity: 0.95;
}

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

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

.form-input {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    box-sizing: border-box;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(19, 55, 90, 0.2);
}

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Fix Autofill background */
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus,
input:-webkit-autofill:active {
    -webkit-box-shadow: 0 0 0 30px white inset !important;
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.justify-between {
    justify-content: space-between;
}

.items-center {
    align-items: center;
}

.items-start {
    align-items: flex-start;
}

.gap-2 {
    gap: 0.5rem;
}

.gap-4 {
    gap: 1rem;
}

.mb-2 {
    margin-bottom: 0.5rem;
}

.mb-4 {
    margin-bottom: 1rem;
}

.mb-6 {
    margin-bottom: 1.5rem;
}

.mt-auto {
    margin-top: auto;
}

.grid {
    display: grid;
    gap: 1rem;
}

.grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
    .grid-cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {

    .grid-cols-3,
    .grid-cols-2 {
        grid-template-columns: 1fr;
    }

    .grid-cols-4 {
        grid-template-columns: 1fr;
    }
}

.text-xl {
    font-size: 1.25rem;
    font-weight: 600;
}

.text-2xl {
    font-size: 1.5rem;
    font-weight: 700;
}

.text-3xl {
    font-size: 1.875rem;
    font-weight: 700;
}

.font-bold {
    font-weight: 700;
}

.text-muted {
    color: var(--text-muted);
}

.mt-4 {
    margin-top: 1rem;
}

/* Navbar */
.navbar {
    background: white;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-link {
    margin-left: 1.5rem;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
    font-size: 0.95rem;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: 0.5rem;
    background: #f3f4f6;
    border-radius: 6px;
    border: none;
}

.menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--primary);
    transition: 0.3s;
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        padding: 1rem;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        gap: 1rem;
        z-index: 99;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-link {
        margin: 0;
        padding: 0.75rem 1rem;
        background: #f9fafb;
        border-radius: 8px;
        width: 100%;
    }
}

/* Modal Utility */
.modal-overlay {
    display: none;
    /* JS will toggle to 'flex' */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.empty-state-image {
    max-width: 100%;
    max-height: 100%;
    margin: 0 auto;
    display: block;
    /* Vignette / Blur Edges Effect - Aggressive fade */
    mask-image: radial-gradient(ellipse at center, black 0%, black 40%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, black 40%, transparent 70%);
    object-fit: contain;
    /* Removed opacity as requested for more vibrant colors */
}

.empty-container {
    height: 100%;
    min-height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
}

/* Success Button */
.btn-success {
    background: linear-gradient(135deg, #55B868 0%, #10b981 100%);
    color: white;
}

.btn-success:hover {
    background: linear-gradient(135deg, #10b981 0%, #55B868 100%);
}

/* Cancel Button */
.btn-cancel {
    background: linear-gradient(135deg, #850707 0%, #b91c1c 100%);
    color: white;
}

.btn-cancel:hover {
    background: linear-gradient(135deg, #b91c1c 0%, #850707 100%);
}

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

.btn-outline:hover {
    background: #f9fafb;
    border-color: #d1d5db;
}

.btn-gray {
    background: #f3f4f6;
    color: var(--text-main);
}

.btn-gray:hover {
    background: #e5e7eb;
}

.btn-danger-light {
    background: #fef2f2;
    color: #991b1b;
}

.btn-danger-light:hover {
    background: #fee2e2;
}