:root {
    /* ── App palette ── */
    --bg: #f2f7fc;
    --text: #1b2a3a;
    --muted: #55677c;
    --primary: #1f5fae;
    --border: #cfdeee;
    --card: #fbfdff;
    --error: #b42318;
    --success: #027a48;

    /* ── Bootstrap 5 theme overrides ── */
    --bs-primary: #1f5fae;
    --bs-primary-rgb: 31, 95, 174;
    --bs-body-bg: #f2f7fc;
    --bs-body-color: #1b2a3a;
    --bs-border-color: #cfdeee;
    --bs-link-color: #1f5fae;
    --bs-link-hover-color: #164785;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Container: cap at 980px (overrides Bootstrap responsive breakpoints) */
.container {
    max-width: 980px;
}

/* ── Site header / navbar ── */

.site-header {
    background: #d0dff0;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(31, 95, 174, 0.08);
}

.site-header .navbar { padding: 0.35rem 0; }

.site-header .navbar-brand { font-weight: 700; }

.site-header .nav-link {
    color: var(--text);
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    transition: background-color 140ms ease, color 140ms ease, box-shadow 140ms ease;
}

.site-header .nav-link:hover { color: var(--primary); }

.site-header .nav-link.active-page,
.site-header .dropdown-item.active-page {
    color: var(--primary);
    font-weight: 700;
}

.site-header .nav-link.active-page {
    background: #ffffff;
    box-shadow: 0 2px 8px rgba(31, 95, 174, 0.16);
}

.site-header .navbar-toggler { border-color: var(--border); }

.user-menu-toggle {
    border: 0;
    background: transparent;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.user-menu-icon {
    display: inline-grid;
    place-items: center;
    width: 1.55rem;
    height: 1.55rem;
    border-radius: 999px;
    background: #5b6fd8;
    position: relative;
    overflow: hidden;
}

.user-menu-icon::before,
.user-menu-icon::after {
    content: "";
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    background: #ffffff;
}

.user-menu-icon::before {
    top: 0.32rem;
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 999px;
}

.user-menu-icon::after {
    bottom: 0.26rem;
    width: 0.88rem;
    height: 0.55rem;
    border-radius: 999px 999px 0.25rem 0.25rem;
}

.dropdown-item-form {
    margin: 0;
}

.dropdown-item-form .dropdown-item {
    width: 100%;
    text-align: left;
    border: 0;
    background: transparent;
}

/* ── Site footer ── */

.site-footer {
    background: #d0dff0;
    border-top: 1px solid var(--border);
    margin-top: auto;
}

.site-main {
    width: 100%;
    flex: 1;
}

/* ── Content sections ── */

.hero,
.auth-card {
    margin-top: 1.5rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.25rem;
    box-shadow: 0 6px 16px rgba(33, 89, 153, 0.06);
}

.auth-card { max-width: 520px; }

/* ── Card / panel (extends Bootstrap .card) ── */

.card {
    border-color: var(--border);
    border-radius: 10px;
    background: #fcfeff;
    padding: 0.9rem;
}

/* ── Form layout (grid stack for simple forms) ── */

.form-stack {
    display: grid;
    gap: 0.5rem;
    margin-bottom: 0.8rem;
}

/* ── Table defaults ── */

.table th,
.table td { vertical-align: top; }

/* ── Custom grid layouts ── */

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.8rem;
}

.grid-two {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 1rem;
}

/* ── Bootstrap component theme overrides ── */

.btn-primary {
    --bs-btn-bg: #1f5fae;
    --bs-btn-border-color: #1f5fae;
    --bs-btn-hover-bg: #1a5298;
    --bs-btn-hover-border-color: #1a5298;
    --bs-btn-active-bg: #164785;
    --bs-btn-active-border-color: #164785;
    --bs-btn-disabled-bg: #1f5fae;
    --bs-btn-disabled-border-color: #1f5fae;
}

.btn-danger {
    --bs-btn-bg: #b42318;
    --bs-btn-border-color: #b42318;
    --bs-btn-hover-bg: #981e14;
    --bs-btn-hover-border-color: #981e14;
    --bs-btn-active-bg: #7d190f;
    --bs-btn-active-border-color: #7d190f;
}

.btn-outline-secondary {
    --bs-btn-color: #ffffff;
    --bs-btn-bg: #5b6fd8;
    --bs-btn-border-color: #5b6fd8;
    --bs-btn-hover-color: #ffffff;
    --bs-btn-hover-bg: #4a5cc2;
    --bs-btn-hover-border-color: #4a5cc2;
    --bs-btn-focus-shadow-rgb: 91, 111, 216;
    --bs-btn-active-color: #ffffff;
    --bs-btn-active-bg: #3d4aa4;
    --bs-btn-active-border-color: #3d4aa4;
    --bs-btn-disabled-color: #ffffff;
    --bs-btn-disabled-bg: #8f9ce6;
    --bs-btn-disabled-border-color: #8f9ce6;
    box-shadow: 0 2px 8px rgba(91, 111, 216, 0.18);
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus {
    box-shadow: 0 3px 10px rgba(74, 92, 194, 0.24);
}

.alert-danger {
    --bs-alert-bg: #fff2f0;
    --bs-alert-border-color: #f3c7c2;
    --bs-alert-color: #b42318;
}

.alert-success {
    --bs-alert-bg: #ecfdf3;
    --bs-alert-border-color: #b7e4cc;
    --bs-alert-color: #027a48;
}

.alert-info {
    --bs-alert-bg: #f8fbff;
    --bs-alert-border-color: var(--border);
    --bs-alert-color: var(--text);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.2rem rgba(31, 95, 174, 0.25);
}