/* ============================================================
   Design tokens
   ============================================================ */
:root {
    --color-primary:       #3B6D11;
    --color-primary-light: #EAF3DE;
    --color-primary-dark:  #27500A;

    --surface-0: #F5F4F0;
    --surface-1: #EDEDEA;
    --surface-2: #FFFFFF;

    --border:        rgba(0, 0, 0, 0.08);
    --border-strong: rgba(0, 0, 0, 0.14);

    --text-primary:   #1a1a18;
    --text-secondary: #5f5e5a;
    --text-muted:     #8c8b86;

    --radius:      8px;
    --radius-card: 12px;

    --nav-height: 56px;
    --page-max:   1500px;
    --page-pad:   clamp(1rem, 5vw, 2rem);

    --transition: 150ms ease;
}

/* ============================================================
   Reset / base
   ============================================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

[hidden] { display: none !important; }

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 15px;
    line-height: 1.55;
    color: var(--text-primary);
    background: var(--surface-0);
    -webkit-font-smoothing: antialiased;
}

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

img, svg { display: block; max-width: 100%; }

ul, ol { list-style: none; }

button {
    font: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font: inherit;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 500;
    line-height: 1.25;
    color: var(--text-primary);
}

/* ============================================================
   Layout utilities
   ============================================================ */
.fa-page {
    max-width: var(--page-max);
    margin-inline: auto;
    padding-inline: var(--page-pad);
    padding-block: 2rem;
}

.fa-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.fa-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}
.fa-grid-5 {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
}

@media (max-width: 900px) {
    .fa-grid-5 { grid-template-columns: repeat(3, 1fr); }
    .fa-grid-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
    .fa-grid-2,
    .fa-grid-3,
    .fa-grid-5 { grid-template-columns: 1fr; }
}

/* ============================================================
   Navigation
   ============================================================ */
.fa-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--nav-height);
    background: var(--surface-2);
    border-bottom: 0.5px solid var(--border-strong);
}

.fa-nav__inner {
    max-width: var(--page-max);
    margin-inline: auto;
    padding-inline: var(--page-pad);
    height: 100%;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.fa-nav__brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-primary);
    font-weight: 500;
    font-size: 0.95rem;
    flex-shrink: 0;
    text-decoration: none;
}
.fa-nav__brand:hover { text-decoration: none; opacity: 0.85; }

.fa-nav__logo { color: var(--color-primary); }

.fa-nav__site-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.fa-nav__links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    flex: 1;
    justify-content: center;
}

.fa-nav__links a {
    padding: 0.3rem 0.65rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: background var(--transition), color var(--transition);
}
.fa-nav__links a:hover,
.fa-nav__links a[aria-current="page"] {
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    text-decoration: none;
}

.fa-nav__user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
    position: relative;
}

.fa-nav__avatar-btn {
    padding: 0;
    border-radius: 50%;
    line-height: 0;
}
.fa-nav__avatar {
    border-radius: 50%;
    object-fit: cover;
    border: 1.5px solid var(--border-strong);
}

.fa-nav__user-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: var(--surface-2);
    border: 0.5px solid var(--border-strong);
    border-radius: var(--radius-card);
    padding: 0.5rem;
    min-width: 160px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}
.fa-nav__user-dropdown[hidden] { display: none; }

.fa-nav__user-name {
    padding: 0.4rem 0.6rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
    border-bottom: 0.5px solid var(--border);
    margin-bottom: 0.25rem;
    display: block;
}

.fa-nav__user-dropdown a {
    display: block;
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
    font-size: 0.875rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: background var(--transition);
}
.fa-nav__user-dropdown a:hover { background: var(--surface-1); }

/* ============================================================
   Main content area
   ============================================================ */
.fa-main {
    min-height: calc(100vh - var(--nav-height) - 48px);
}

/* ============================================================
   Footer
   ============================================================ */
.fa-footer {
    border-top: 0.5px solid var(--border);
    background: var(--surface-1);
}
.fa-footer__inner {
    max-width: var(--page-max);
    margin-inline: auto;
    padding-inline: var(--page-pad);
    padding-block: 0.75rem;
}
.fa-footer__copy {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ============================================================
   Cards
   ============================================================ */
.fa-card {
    background: var(--surface-2);
    border: 0.5px solid var(--border-strong);
    border-radius: var(--radius-card);
    padding: 1.25rem;
}

.fa-card__label {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.fa-card__title {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.fa-card__value {
    font-size: 2rem;
    font-weight: 500;
    color: var(--color-primary);
    line-height: 1;
}

/* ============================================================
   Buttons
   ============================================================ */
.fa-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: background var(--transition), opacity var(--transition);
    cursor: pointer;
    border: none;
}

.fa-btn--primary {
    background: var(--color-primary);
    color: #fff;
}
.fa-btn--primary:hover { background: var(--color-primary-dark); text-decoration: none; color: #fff; }

.fa-btn--secondary {
    background: var(--surface-1);
    color: var(--text-primary);
    border: 0.5px solid var(--border-strong);
}
.fa-btn--secondary:hover { background: var(--surface-0); text-decoration: none; }

.fa-btn--sm {
    padding: 0.3rem 0.75rem;
    font-size: 0.8125rem;
}

.fa-btn--ghost {
    background: transparent;
    color: var(--color-primary);
    border: 0.5px solid var(--color-primary);
}
.fa-btn--ghost:hover { background: var(--color-primary-light); text-decoration: none; }

/* ============================================================
   Badges
   ============================================================ */
.fa-badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 500;
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
}

/* ============================================================
   Stat cards (home at-a-glance)
   ============================================================ */
.fa-stat-card {
    background: var(--surface-2);
    border: 0.5px solid var(--border-strong);
    border-radius: var(--radius-card);
    padding: 1rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.fa-stat-card__num {
    font-size: 2rem;
    font-weight: 500;
    color: var(--color-primary);
    line-height: 1;
}
.fa-stat-card__label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

/* ============================================================
   Action tiles (home quick-actions)
   ============================================================ */
.fa-tile {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
    background: var(--surface-2);
    border: 0.5px solid var(--border-strong);
    border-radius: var(--radius-card);
    padding: 1.25rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: border-color var(--transition), background var(--transition);
}
.fa-tile:hover { border-color: var(--color-primary); background: var(--color-primary-light); text-decoration: none; }

.fa-tile__icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    background: var(--color-primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 1.25rem;
}

.fa-tile__name {
    font-size: 0.9rem;
    font-weight: 500;
}

.fa-tile__desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* ============================================================
   Feed items (recent updates / history)
   ============================================================ */
.fa-feed {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.fa-feed__item {
    padding: 0.75rem 0;
    border-bottom: 0.5px solid var(--border);
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}
.fa-feed__item:last-child { border-bottom: none; }

.fa-feed__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-primary);
    flex-shrink: 0;
    margin-top: 0.4rem;
}

.fa-feed__text { font-size: 0.875rem; }
.fa-feed__meta { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.1rem; }

/* ============================================================
   Section headers
   ============================================================ */
.fa-section-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.fa-section-header h2 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
}

.fa-section-header a {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ============================================================
   Forms (shared base — more in forms.css)
   ============================================================ */
.fa-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.fa-label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.fa-input,
.fa-textarea,
.fa-select {
    width: 100%;
    padding: 0.5rem 0.75rem;
    background: var(--surface-2);
    border: 0.5px solid var(--border-strong);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.9375rem;
    transition: border-color var(--transition);
    outline: none;
}

.fa-input:focus,
.fa-textarea:focus,
.fa-select:focus {
    border-color: var(--color-primary);
}

.fa-textarea { resize: vertical; min-height: 100px; }
.fa-textarea--story { min-height: 320px; line-height: 1.7; font-size: 0.9375rem; }

.fa-word-count {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
    text-align: right;
}

/* ============================================================
   Notices
   ============================================================ */
.fa-notice {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}
.fa-notice--success { background: var(--color-primary-light); color: var(--color-primary-dark); }
.fa-notice--error   { background: #FEE2E2; color: #991B1B; }
.fa-notice--info    { background: #EFF6FF; color: #1D4ED8; }