/* ==========================================================================
   FunderTime Allocator — design system
   Light, modern, professional. Almost-white/greyish surfaces with a
   near-black monochrome accent. Layered on top of Bootstrap 5.1.
   Swap point for the Evidence Action brand font: change --font-sans below
   (and the Google Fonts <link> in base.html).
   ========================================================================== */

:root {
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

    --bg: #F7F8FA;          /* page background (greyish) */
    --surface: #FFFFFF;     /* cards / panels */
    --surface-2: #F1F3F5;   /* subtle hover / fills */

    --text: #111827;
    --text-muted: #6B7280;

    --border: #E5E7EB;
    --border-strong: #D1D5DB;

    --accent: #111827;          /* near-black */
    --accent-hover: #000000;
    --accent-contrast: #FFFFFF;
    --focus-ring: 0 0 0 3px rgba(17, 24, 39, .12);

    --radius: 10px;
    --radius-sm: 8px;
    --shadow-sm: 0 1px 2px rgba(16, 24, 40, .06);
    --shadow: 0 1px 3px rgba(16, 24, 40, .08), 0 1px 2px rgba(16, 24, 40, .06);
}

/* ---------- Base ---------- */
body {
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.5;
}

.container {
    max-width: 1040px;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
    color: var(--text);
    font-weight: 600;
    letter-spacing: -0.01em;
}

h1 {
    font-size: 1.6rem;
    margin-bottom: 1.25rem;
}

h3 { font-size: 1.25rem; }
h4 { font-size: 1.05rem; }

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

a {
    color: var(--accent);
    text-decoration-color: var(--border-strong);
    text-underline-offset: 2px;
}
a:hover { color: var(--accent-hover); }

.page-subtitle {
    color: var(--text-muted);
    margin-top: -0.75rem;
    margin-bottom: 1.5rem;
}

/* ---------- Navbar ---------- */
.navbar {
    background-color: var(--surface) !important;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    margin-bottom: 28px;
    padding-top: .6rem;
    padding-bottom: .6rem;
}

.navbar .navbar-brand {
    color: var(--text);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.navbar .nav-link {
    color: var(--text-muted);
    font-weight: 500;
    padding: .35rem .75rem;
    border-bottom: 2px solid transparent;
    transition: color .12s ease, border-color .12s ease;
}

.navbar .nav-link:hover { color: var(--text); }

.navbar .nav-link.active {
    color: var(--text);
    border-bottom-color: var(--accent);
}

.navbar .navbar-text {
    color: var(--text-muted);
    font-weight: 500;
}

/* ---------- Cards / panels ---------- */
.card {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.card-body { padding: 1.25rem 1.35rem; }

.card + .card { margin-top: 1rem; }

/* ---------- Buttons ---------- */
.btn {
    border-radius: var(--radius-sm);
    font-weight: 500;
    padding: .45rem .9rem;
    transition: background-color .12s ease, border-color .12s ease, color .12s ease, box-shadow .12s ease;
}

.btn:focus, .btn:focus-visible { box-shadow: var(--focus-ring); }

.btn-primary {
    background-color: var(--accent);
    border-color: var(--accent);
    color: var(--accent-contrast);
}
.btn-primary:hover,
.btn-primary:active,
.btn-primary:focus {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    color: var(--accent-contrast);
}

.btn-outline-primary {
    color: var(--accent);
    border-color: var(--border-strong);
}
.btn-outline-primary:hover,
.btn-outline-primary:active {
    background-color: var(--accent);
    border-color: var(--accent);
    color: var(--accent-contrast);
}

.btn-outline-secondary {
    color: var(--text-muted);
    border-color: var(--border-strong);
}
.btn-outline-secondary:hover {
    background-color: var(--surface-2);
    border-color: var(--border-strong);
    color: var(--text);
}

/* Keep danger/success meaningful but a touch softer. */
.btn-outline-danger { border-color: #f0c4c4; }
.btn-outline-success { border-color: #bfe3cf; }

/* ---------- Forms ---------- */
.form-label {
    font-weight: 500;
    color: var(--text);
    margin-bottom: .35rem;
}

.form-control, .form-select {
    border-radius: var(--radius-sm);
    border-color: var(--border);
    color: var(--text);
    padding: .5rem .7rem;
}

.form-control::placeholder { color: #9CA3AF; }

.form-control:focus, .form-select:focus {
    border-color: var(--accent);
    box-shadow: var(--focus-ring);
}

.form-control[readonly] { background-color: var(--surface-2); }

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

.form-check-input:checked {
    background-color: var(--accent);
    border-color: var(--accent);
}
.form-check-input:focus {
    border-color: var(--accent);
    box-shadow: var(--focus-ring);
}

.input-group .btn { z-index: 0; }

/* Allocation input: funder name sits beside its % field, aligned across the grid. */
.funder-name-label {
    min-width: 9rem;
    justify-content: flex-start;
    font-weight: 500;
    font-size: .8rem;
    color: var(--text-muted);
    background-color: var(--surface-2);
}

/* Keep the entered percentages prominent and right-justified. */
.allocation-input {
    text-align: right;
    font-weight: 600;
}

/* ---------- Tables ---------- */
.table {
    --bs-table-bg: transparent;
    --bs-table-striped-bg: #FAFBFC;
    color: var(--text);
    border-color: var(--border);
    margin-bottom: 0;
}

.table > thead th {
    color: var(--text-muted);
    font-size: .72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    border-bottom: 1px solid var(--border);
    background-color: transparent;
}

.table > tbody td, .table > tbody th {
    border-color: var(--border);
    vertical-align: middle;
}

.table > :not(:first-child) { border-top: 0; }

/* ---------- Badges ---------- */
.badge {
    font-weight: 600;
    border-radius: 999px;
    padding: .3em .6em;
}

.badge.bg-success { background-color: #16a34a !important; }
.badge.bg-secondary { background-color: #9CA3AF !important; }

/* ---------- Alerts ---------- */
.alert {
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
}
.alert-info { background-color: #eef4fb; border-color: #dbe7f5; color: #1f3a5f; }
.alert-warning { background-color: #fdf6e7; border-color: #f6e6bf; color: #6b4e12; }
.alert-danger { background-color: #fbeaea; border-color: #f3d0d0; color: #7a2222; }
.alert-success { background-color: #eaf6ef; border-color: #cdead8; color: #1c5233; }