/* ============================================================
   FlockIQ — style.css
   Agricultural management interface. Design direction:
   Refined minimal. Deep forest green on clean white.
   Typefaces: DM Serif Display (headings) + DM Sans (body).
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&display=swap');

/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --green-900: #0d3320;
    --green-800: #14502f;
    --green-700: #1a6b3c;
    --green-600: #21874b;
    --green-400: #4caf76;
    --green-200: #b8e8c8;
    --green-100: #e8f7ee;
    --green-50:  #f3fbf6;

    --earth:     #8b6914;
    --earth-lt:  #f5edd8;

    --ink:       #0d1f12;
    --ink-mid:   #3a4f3e;
    --ink-soft:  #6b7f6f;
    --border:    #d4e4d8;
    --white:     #ffffff;

    --radius-sm: 6px;
    --radius:    10px;
    --radius-lg: 16px;

    --shadow-sm: 0 1px 3px rgba(13,51,32,.08);
    --shadow:    0 4px 16px rgba(13,51,32,.10);
    --shadow-lg: 0 12px 40px rgba(13,51,32,.14);

    --font-display: 'DM Serif Display', Georgia, serif;
    --font-body:    'DM Sans', system-ui, sans-serif;

    --transition: 180ms ease;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--ink);
    background: var(--green-50);
    min-height: 100vh;
}

/* ── Typography ───────────────────────────────────────────── */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    line-height: 1.2;
    color: var(--green-900);
}

h1 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h2 { font-size: clamp(1.25rem, 2.5vw, 1.6rem); }
h3 { font-size: 1.1rem; }

p { color: var(--ink-mid); }

a {
    color: var(--green-700);
    text-decoration: none;
    transition: color var(--transition);
}
a:hover { color: var(--green-600); text-decoration: underline; }

/* ── Navigation Header ────────────────────────────────────── */
.site-header {
    background: var(--green-900);
    color: var(--white);
    padding: 0 2rem;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 12px rgba(0,0,0,.25);
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.header-brand .brand-icon {
    width: 32px;
    height: 32px;
    background: var(--green-400);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.header-brand .brand-name {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--white);
    letter-spacing: -0.02em;
}

.header-brand .brand-tagline {
    font-size: 0.7rem;
    color: var(--green-200);
    font-weight: 300;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.header-farmer {
    font-size: 0.85rem;
    color: var(--green-200);
}

.header-farmer strong {
    color: var(--white);
    font-weight: 500;
}

.nav-links {
    display: flex;
    gap: 0.25rem;
}

.nav-link {
    color: var(--green-200);
    font-size: 0.85rem;
    padding: 0.4rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: background var(--transition), color var(--transition);
    text-decoration: none;
}

.nav-link:hover {
    background: rgba(255,255,255,.1);
    color: var(--white);
    text-decoration: none;
}

.nav-link.active {
    background: var(--green-700);
    color: var(--white);
}

.btn-logout {
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.2);
    color: var(--white);
    font-size: 0.8rem;
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-decoration: none;
    transition: background var(--transition);
    font-family: var(--font-body);
}

.btn-logout:hover {
    background: rgba(255,255,255,.18);
    color: var(--white);
    text-decoration: none;
}

/* ── Page Layout ──────────────────────────────────────────── */
.page-wrapper {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem 4rem;
}

.page-header {
    margin-bottom: 2rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border);
}

.page-header .page-subtitle {
    font-size: 0.9rem;
    color: var(--ink-soft);
    margin-top: 0.3rem;
}

/* ── Cards ────────────────────────────────────────────────── */
.card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: var(--shadow-sm);
}

.card + .card { margin-top: 1.25rem; }

.card-title {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-soft);
    margin-bottom: 1rem;
}

/* ── Stat Grid (Dashboard) ────────────────────────────────── */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--green-600), var(--green-400));
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--ink-soft);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--green-900);
    line-height: 1.1;
    margin-top: 0.3rem;
}

.stat-unit {
    font-family: var(--font-body);
    font-size: 0.8rem;
    color: var(--ink-soft);
}

/* ── Tables ───────────────────────────────────────────────── */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

thead {
    background: var(--green-900);
    color: var(--white);
}

thead th {
    padding: 0.85rem 1.1rem;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    text-align: left;
    color: var(--green-200);
}

tbody tr {
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
}

tbody tr:last-child { border-bottom: none; }

tbody tr:hover { background: var(--green-50); }

tbody td {
    padding: 0.9rem 1.1rem;
    color: var(--ink-mid);
    vertical-align: middle;
}

tbody td strong {
    color: var(--ink);
    font-weight: 500;
}

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--ink-soft);
    font-size: 0.9rem;
}

.empty-state .empty-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 0.75rem;
    opacity: 0.4;
}

/* ── Badges ───────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 0.25rem 0.65rem;
    border-radius: 99px;
}

.badge-active {
    background: var(--green-100);
    color: var(--green-700);
    border: 1px solid var(--green-200);
}

.badge-active::before { content: '●'; font-size: 0.5em; }

.badge-completed {
    background: var(--earth-lt);
    color: var(--earth);
    border: 1px solid #e0d0a0;
}

/* ── Forms ────────────────────────────────────────────────── */
.form-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.25rem;
    box-shadow: var(--shadow);
    max-width: 560px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

label {
    font-size: 0.825rem;
    font-weight: 500;
    color: var(--ink-mid);
    letter-spacing: 0.01em;
}

label .required {
    color: #c0392b;
    margin-left: 2px;
}

input[type="text"],
input[type="password"],
input[type="date"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 0.65rem 0.9rem;
    font-size: 0.9rem;
    font-family: var(--font-body);
    color: var(--ink);
    background: var(--white);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition), box-shadow var(--transition);
    appearance: none;
    -webkit-appearance: none;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--green-600);
    box-shadow: 0 0 0 3px rgba(33,135,75,.12);
}

select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7f6f' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.9rem center;
    padding-right: 2.5rem;
    cursor: pointer;
}

textarea {
    resize: vertical;
    min-height: 90px;
}

.field-hint {
    font-size: 0.775rem;
    color: var(--ink-soft);
    margin-top: 0.15rem;
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    margin-top: 1.75rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border);
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.65rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    font-family: var(--font-body);
    border-radius: var(--radius-sm);
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    line-height: 1;
}

.btn-primary {
    background: var(--green-700);
    color: var(--white);
    border-color: var(--green-700);
}

.btn-primary:hover {
    background: var(--green-800);
    border-color: var(--green-800);
    color: var(--white);
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(26,107,60,.3);
}

.btn-secondary {
    background: transparent;
    color: var(--ink-mid);
    border-color: var(--border);
}

.btn-secondary:hover {
    background: var(--green-50);
    color: var(--ink);
    text-decoration: none;
}

/* ── Alerts ───────────────────────────────────────────────── */
.alert {
    padding: 0.85rem 1.1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
}

.alert-error {
    background: #fdf2f2;
    border: 1px solid #f5c6c6;
    color: #8b1a1a;
}

.alert-success {
    background: var(--green-100);
    border: 1px solid var(--green-200);
    color: var(--green-800);
}

.alert-icon { flex-shrink: 0; font-size: 1rem; margin-top: 0.05rem; }

/* ── Login Page ───────────────────────────────────────────── */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: var(--green-50);
    position: relative;
    overflow: hidden;
}

/* Decorative background pattern */
.login-page::before {
    content: '';
    position: fixed;
    top: -120px; right: -120px;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(33,135,75,.08) 0%, transparent 70%);
    pointer-events: none;
}

.login-page::after {
    content: '';
    position: fixed;
    bottom: -100px; left: -100px;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(13,51,32,.06) 0%, transparent 70%);
    pointer-events: none;
}

.login-container {
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 1;
}

.login-brand {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo {
    width: 64px; height: 64px;
    background: linear-gradient(135deg, var(--green-700), var(--green-500, #38a169));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin: 0 auto 1rem;
    box-shadow: var(--shadow);
}

.login-brand h1 {
    font-size: 2rem;
    letter-spacing: -0.03em;
    color: var(--green-900);
}

.login-brand p {
    font-size: 0.875rem;
    color: var(--ink-soft);
    margin-top: 0.3rem;
}

.login-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.25rem;
    box-shadow: var(--shadow-lg);
}

.login-card .form-group { margin-bottom: 1.1rem; }

.btn-login {
    width: 100%;
    padding: 0.8rem;
    font-size: 0.95rem;
    margin-top: 0.5rem;
}

.login-footer {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.8rem;
    color: var(--ink-soft);
}

/* ── Dashboard Layout ─────────────────────────────────────── */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.dashboard-grid .wide {
    grid-column: 1 / -1;
}

.action-bar {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

/* ── Section Labels ───────────────────────────────────────── */
.section-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-soft);
    margin-bottom: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 680px) {
    .site-header { padding: 0 1rem; }
    .header-brand .brand-tagline { display: none; }
    .page-wrapper { padding: 1.5rem 1rem 3rem; }
    .form-card { padding: 1.5rem; }
    .form-grid { grid-template-columns: 1fr; }
    .dashboard-grid { grid-template-columns: 1fr; }
    .stat-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 400px) {
    .nav-links { display: none; }
    .stat-grid { grid-template-columns: 1fr; }
}