@import url('https://fonts.googleapis.com/css2?family=Lexend:wght@200;300;400;500;600;700;800&display=swap');

:root {
    --font-primary: 'Lexend', sans-serif;
    --color-navy: #212f45;
    --color-blue: #0850c4;
    --color-blue-hover: #016ee6;
    --color-deep-navy: #212352;
    --color-green: #03983f;
    --color-white: #ffffff;
    --color-gray-bg: #f9f9f9;
    --color-light-blue: #eaf4ff;
    --color-text-primary: #212f45;
    --color-text-secondary: #465163;
    --color-text-muted: #8f99a7;
    --color-text-link: #0850c4;
    --color-border: #e2e5e9;
    --color-overlay: rgba(0, 0, 0, 0.5);
    --color-amber: #d97706;
    --color-red: #dc2626;
    --radius-btn: 2px;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-card: 24px;
    --shadow-card: rgba(33, 47, 69, 0.16) 0px 8px 16px -2px;
    --shadow-btn: rgba(33, 47, 69, 0.45) 0px 3px 6px -2px;
    --shadow-dropdown: rgba(33, 47, 69, 0.16) 0px 8px 16px -2px;
}

*, *::before, *::after { box-sizing: border-box; }

body {
    font-family: var(--font-primary);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.625;
    color: var(--color-text-primary);
    background-color: var(--color-white);
    margin: 0;
    padding: 0;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    color: var(--color-text-primary);
    letter-spacing: normal;
    margin: 0 0 8px 0;
}

h1 { font-size: 48px; font-weight: 600; line-height: 64px; }
h2 { font-size: 32px; font-weight: 500; line-height: 40px; }
h3 { font-size: 24px; font-weight: 400; line-height: 32px; }
h4 { font-size: 18px; font-weight: 700; line-height: 26px; }

a {
    color: var(--color-text-link);
    text-decoration: none;
    transition: color 0.15s ease-in-out;
}
a:hover { color: var(--color-blue-hover); }

.container {
    max-width: 90%;
    width: 1200px;
    margin: 0 auto;
    padding: 0 12px;
}

.container-wide {
    max-width: 98%;
    width: 1600px;
    margin: 0 auto;
    padding: 0 16px;
}

/* Header */
header.site-header {
    background-color: var(--color-white);
    height: 64px;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
}

header .logo {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-navy);
    display: flex;
    align-items: center;
    gap: 10px;
}

header .logo span {
    color: var(--color-blue);
}

header nav {
    display: flex;
    align-items: center;
    gap: 16px;
}

header nav a {
    font-size: 14px;
    font-weight: 400;
    color: var(--color-text-secondary);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    transition: all 0.15s ease-in-out;
}
header nav a:hover {
    color: var(--color-blue);
    background-color: var(--color-light-blue);
}

/* Buttons */
.btn {
    font-family: var(--font-primary);
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
    border-radius: var(--radius-btn);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.15s ease-in-out;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
}

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

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

.btn-sm {
    font-size: 13px;
    padding: 4px 10px;
}

.btn-icon {
    padding: 6px;
    border: none;
    background: transparent;
    cursor: pointer;
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.btn-icon:hover {
    color: var(--color-blue);
    background-color: var(--color-light-blue);
}

/* Cards */
.card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    border: none;
    overflow: hidden;
}

.card-body { padding: 24px; }

/* Forms */
.form-control {
    font-family: var(--font-primary);
    font-size: 14px;
    font-weight: 400;
    color: var(--color-navy);
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
    width: 100%;
}
.form-control:focus {
    border-color: var(--color-blue);
    box-shadow: 0 0 0 3px rgba(8, 80, 196, 0.2);
    outline: none;
}

select.form-control {
    appearance: auto;
}

.form-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: 4px;
    display: block;
}

/* Badges */
.badge {
    font-family: var(--font-primary);
    font-size: 12px;
    font-weight: 500;
    padding: 2px 8px;
    border-radius: 100px;
    display: inline-block;
    white-space: nowrap;
}

.badge-gray { background-color: #e5e7eb; color: #374151; }
.badge-blue { background-color: #dbeafe; color: #1d4ed8; }
.badge-red { background-color: #fee2e2; color: #dc2626; }
.badge-green { background-color: #dcfce7; color: #15803d; }
.badge-amber { background-color: #fef3c7; color: #92400e; }

/* Modal */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background-color: var(--color-overlay);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    width: 480px;
    max-width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    padding: 16px 24px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-body { padding: 16px 24px; }

.modal-footer {
    padding: 12px 24px;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

/* ── Nav Toggle Buttons ─────────────────────────────── */
.nav-toggle-btn {
    display: inline-flex;
    align-items: center;
    padding: 8px 18px;
    border-radius: 6px;
    font-family: var(--font-primary);
    font-size: 13px;
    font-weight: 500;
    border: none;
    color: var(--color-text-muted);
    background: transparent;
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    transition: background 0.15s, color 0.15s;
}
.nav-toggle-btn.active {
    background: #0850c4;
    color: #fff;
    font-weight: 600;
}
.nav-toggle-btn.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 3px;
    background: #0850c4;
    border-radius: 2px;
}
.nav-toggle-btn:not(.active):hover {
    color: #0850c4;
    background: var(--color-light-blue, #e8f0fe);
}
.nav-icon-btn {
    display: inline-flex;
    align-items: center;
    padding: 6px;
    color: var(--color-text-muted);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: background 0.15s, color 0.15s;
}
.nav-icon-btn:hover {
    color: var(--color-blue);
    background: var(--color-light-blue, #e8f0fe);
}

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 639px) {
    header.site-header { height: 56px; padding: 0 12px; }
    header .logo { font-size: 16px; gap: 8px; }
    header .logo img { height: 20px; }
    .modal-content { width: 92vw !important; max-width: 92vw !important; }
    .modal-header { padding: 12px 16px; }
    .modal-body { padding: 12px 16px; }
    .modal-footer { padding: 10px 16px; }
    .form-label { font-size: 12px; }
    .form-control { font-size: 13px; padding: 7px 10px; }
    .btn { font-size: 13px; padding: 7px 14px; }
}