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

:root {
    --navy: #0b2036;
    --teal: #0e7c86;
    --teal-dark: #0b5f66;
    --teal-light: #14a3af;
    --teal-tint: #e0f2f1;
    --gold: #c9a227;
    --gold-light: #e3c565;
    --gold-tint: #faf1d9;

    --bg: var(--navy);
    --bg-accent: #f4f1e8;
    --card: #ffffff;
    --card-alt: #faf8f3;
    --border: #e3e0d8;
    --border-soft: #ece8dd;
    --text: #1a1a1a;
    --muted: #767676;
    --muted-soft: #9a9488;

    --primary: var(--teal);
    --primary-dark: var(--teal-dark);
    --primary-light: var(--teal-light);
    --primary-tint: var(--teal-tint);
    --primary-contrast: #ffffff;

    --success: #16a34a;
    --success-tint: #dcfce7;
    --warn: var(--gold);
    --warn-tint: var(--gold-tint);
    --danger: #c0392b;
    --danger-tint: #fbe2de;
    --info-tint: var(--teal-tint);
    --info-text: var(--teal-dark);

    --radius-sm: 12px;
    --radius: 20px;
    --radius-lg: 24px;

    --shadow-sm: 0 2px 8px rgba(11, 32, 54, 0.08);
    --shadow: 0 16px 40px rgba(11, 32, 54, 0.16);
    --shadow-lg: 0 24px 60px rgba(5, 15, 25, 0.4);
    --shadow-hover: 0 20px 44px rgba(14, 124, 134, 0.28);

    --ring: 0 0 0 3px rgba(201, 162, 39, 0.2);

    color-scheme: light;
}

* { box-sizing: border-box; }

html { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    background:
        radial-gradient(circle at 15% 10%, rgba(201, 162, 39, 0.14), transparent 45%),
        radial-gradient(circle at 85% 90%, rgba(14, 124, 134, 0.4), transparent 50%),
        var(--bg);
    background-attachment: fixed;
    color: rgba(255, 255, 255, 0.92);
    letter-spacing: -0.01em;
    overflow-x: hidden;
}

a { color: var(--gold-light); text-decoration: none; }
a:hover { color: #fff; text-decoration: none; }
.card a { color: var(--teal); }
.card a:hover { color: var(--teal-dark); }

::selection { background: var(--gold); color: #1a1a1a; }

/* Topbar */
.topbar {
    background: rgba(11, 32, 54, 0.72);
    backdrop-filter: blur(16px) saturate(1.3);
    -webkit-backdrop-filter: blur(16px) saturate(1.3);
    border-bottom: 1px solid rgba(227, 197, 101, 0.2);
    position: sticky;
    top: 0;
    z-index: 10;
}
.topbar-inner {
    max-width: 1140px;
    margin: 0 auto;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}
.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.02rem;
    color: #fff;
    letter-spacing: -0.02em;
}
.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gold-light), var(--teal));
    color: #fff;
    box-shadow: 0 4px 14px rgba(14, 124, 134, 0.4);
    flex-shrink: 0;
}
.brand-mark svg { width: 17px; height: 17px; }

.topbar-inner nav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; align-items: center; }
.topbar-inner nav a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: rgba(255, 255, 255, 0.72);
    font-weight: 600;
    font-size: 0.88rem;
    padding: 7px 12px;
    border-radius: 999px;
    transition: background 0.15s ease, color 0.15s ease;
}
.topbar-inner nav a:hover { background: rgba(255, 255, 255, 0.1); color: #fff; text-decoration: none; }
.topbar-inner nav a svg { width: 15px; height: 15px; opacity: 0.9; }

.topbar-user { display: flex; align-items: center; gap: 14px; font-size: 0.86rem; color: rgba(255, 255, 255, 0.72); }
.user-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gold-light), var(--teal));
    color: #fff;
    font-weight: 700;
    font-size: 0.78rem;
    flex-shrink: 0;
}
.topbar-user-info { display: flex; align-items: center; gap: 8px; }
.topbar-user a { color: rgba(255, 255, 255, 0.72); font-weight: 600; }
.topbar-user a:hover { color: var(--gold-light); }

.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    margin-left: auto;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
    cursor: pointer;
    flex-shrink: 0;
}
.nav-toggle svg { width: 19px; height: 19px; }
.nav-toggle-icon-close { display: none; }
.topbar-inner.nav-open .nav-toggle-icon-open { display: none; }
.topbar-inner.nav-open .nav-toggle-icon-close { display: inline-flex; }

.page {
    max-width: 1140px;
    margin: 0 auto;
    padding: clamp(16px, 4vw, 28px) clamp(14px, 4vw, 20px) 72px;
    width: 100%;
}

h1 { font-size: clamp(1.3rem, 3.4vw, 1.6rem); font-weight: 800; letter-spacing: -0.03em; margin: 0 0 18px; color: #fff; }
h2 { font-size: 1.08rem; font-weight: 700; letter-spacing: -0.015em; margin: 0 0 12px; color: #fff; }
.muted { color: rgba(255, 255, 255, 0.66); }

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-top: 3px solid var(--gold);
    border-radius: var(--radius);
    padding: clamp(16px, 3.5vw, 20px);
    margin-bottom: 16px;
    box-shadow: var(--shadow);
    color: var(--text);
    transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
    max-width: 100%;
}
.card h1, .card h2 { color: var(--text); }
.card .muted { color: var(--muted); }

.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr)); }

a.card { display: block; color: var(--text); }
a.card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
    border-color: var(--border);
    text-decoration: none;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 11px 20px;
    border-radius: 999px;
    border: none;
    background: linear-gradient(135deg, var(--gold) 0%, var(--teal) 100%);
    color: #fff;
    cursor: pointer;
    font-family: inherit;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: -0.005em;
    box-shadow: 0 10px 24px rgba(14, 124, 134, 0.28);
    transition: box-shadow 0.15s ease, opacity 0.15s ease, transform 0.15s ease;
}
.btn:hover { box-shadow: 0 14px 30px rgba(14, 124, 134, 0.38); transform: translateY(-1px); text-decoration: none; }
.btn:active { transform: translateY(0); opacity: 0.92; }
.btn:focus-visible { outline: none; box-shadow: var(--ring); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.btn.secondary {
    background: var(--card);
    color: var(--text);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}
.btn.secondary:hover { background: var(--card-alt); box-shadow: var(--shadow-sm); }

.btn.danger { background: linear-gradient(135deg, #e07a5f, var(--danger)); box-shadow: 0 10px 24px rgba(192, 57, 43, 0.28); }
.btn.danger:hover { box-shadow: 0 14px 30px rgba(192, 57, 43, 0.38); }
.btn.small { padding: 7px 14px; font-size: 0.8rem; }

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    text-transform: capitalize;
}
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; flex-shrink: 0; }
.badge.pending { background: var(--bg-accent); color: var(--muted); }
.badge.in_progress { background: var(--warn-tint); color: #a3821f; }
.badge.completed { background: var(--success-tint); color: var(--success); }

.progress-bar { background: var(--bg-accent); border-radius: 999px; height: 7px; overflow: hidden; margin-top: 10px; }
.progress-bar-fill {
    background: linear-gradient(90deg, var(--gold), var(--teal));
    height: 100%;
    border-radius: 999px;
    transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Forms */
form.stacked label { display: block; font-size: 0.76rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted-soft); margin: 14px 0 6px; }
form.stacked input[type=text],
form.stacked input[type=email],
form.stacked input[type=password],
form.stacked input[type=date],
form.stacked textarea,
form.stacked select {
    width: 100%;
    max-width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--card);
    color: var(--text);
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
form.stacked input:focus,
form.stacked textarea:focus,
form.stacked select:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: var(--ring);
}
form.stacked textarea { resize: vertical; }
.checkbox-row { display: flex; align-items: center; gap: 9px; margin-top: 12px; }
form.stacked .checkbox-row label {
    display: inline; margin: 0; color: var(--text); font-weight: 500;
    text-transform: none; letter-spacing: normal; font-size: 0.9rem;
}

input[type=checkbox] {
    accent-color: var(--teal);
}

/* Tables */
.table-scroll { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; min-width: 480px; border-collapse: collapse; }
th, td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--border-soft); font-size: 0.88rem; white-space: nowrap; }
th { color: var(--muted-soft); font-weight: 700; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; }
tbody tr { transition: background 0.12s ease; }
tbody tr:hover { background: var(--card-alt); }
tbody tr:last-child td { border-bottom: none; }

.error {
    background: var(--danger-tint); color: var(--danger); padding: 12px 16px; border-radius: var(--radius-sm);
    margin-bottom: 16px; border: 1px solid rgba(192, 57, 43, 0.25); font-weight: 500; font-size: 0.9rem;
}
.success {
    background: var(--success-tint); color: var(--success); padding: 12px 16px; border-radius: var(--radius-sm);
    margin-bottom: 16px; border: 1px solid rgba(22, 163, 74, 0.25); font-weight: 500; font-size: 0.9rem;
}
.actions { display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; }

/* Empty state */
.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--muted);
}
.empty-state svg { width: 44px; height: 44px; color: var(--gold); margin-bottom: 14px; }
.empty-state p { margin: 0; font-size: 0.95rem; }

/* Checklist items */
.checklist-item {
    display: flex;
    gap: 14px;
    padding: 16px 4px;
    border-bottom: 1px solid var(--border-soft);
    align-items: flex-start;
    transition: background 0.15s ease;
}
.checklist-item:hover { background: var(--card-alt); border-radius: var(--radius-sm); }
.checklist-item:last-child { border-bottom: none; }
.checklist-item input.item-checkbox {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    margin-top: 1px;
    flex-shrink: 0;
    border: 2px solid var(--border);
    border-radius: 8px;
    background: var(--card);
    cursor: pointer;
    display: grid;
    place-content: center;
    transition: border-color 0.15s ease, background 0.15s ease, transform 0.1s ease;
}
.checklist-item input.item-checkbox:hover { border-color: var(--gold); }
.checklist-item input.item-checkbox:active { transform: scale(0.92); }
.checklist-item input.item-checkbox:checked {
    background: linear-gradient(135deg, var(--gold), var(--teal));
    border-color: var(--teal-dark);
}
.checklist-item input.item-checkbox:checked::after {
    content: "";
    width: 12px;
    height: 12px;
    background: #fff;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / contain no-repeat;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / contain no-repeat;
}
.checklist-item input.item-checkbox:focus-visible { outline: none; box-shadow: var(--ring); }

.checklist-item-body { flex: 1; min-width: 0; }
.checklist-item-label { font-weight: 650; font-size: 0.98rem; letter-spacing: -0.01em; word-break: break-word; }
.checklist-item-label.checked { text-decoration: line-through; color: var(--muted); font-weight: 500; }
.requirement-tag {
    display: inline-flex; align-items: center; font-size: 0.7rem; font-weight: 700; padding: 2px 9px;
    border-radius: 999px; background: var(--bg-accent); color: var(--muted); margin-left: 6px; letter-spacing: 0.01em;
}
.requirement-tag.met { background: var(--success-tint); color: var(--success); }
.requirement-tag.unmet { background: var(--warn-tint); color: #a3821f; }
.requirement-tag.overdue { background: var(--danger-tint); color: var(--danger); font-weight: 800; }

.activity-log { margin-top: 10px; font-size: 0.8rem; }
.activity-log summary { cursor: pointer; color: var(--muted); font-weight: 600; }
.activity-log summary:hover { color: var(--teal); }
.activity-log ul { list-style: none; margin: 8px 0 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.activity-log li { padding: 8px 10px; background: var(--card-alt); border: 1px solid var(--border-soft); border-radius: var(--radius-sm); color: var(--muted); }
.activity-event { display: inline-block; padding: 1px 8px; border-radius: 999px; font-weight: 700; font-size: 0.72rem; background: var(--teal-tint); color: var(--teal-dark); text-transform: capitalize; margin-right: 4px; }
.activity-event.activity-overdue { background: var(--danger-tint); color: var(--danger); }
.activity-event.activity-rejected { background: var(--danger-tint); color: var(--danger); }
.activity-event.activity-approved { background: var(--success-tint); color: var(--success); }
.item-note {
    width: 100%; margin-top: 10px; padding: 9px 11px; border: 1px solid var(--border); border-radius: var(--radius-sm);
    background: var(--card); color: var(--text); font-size: 0.88rem; font-family: inherit; transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.item-note:focus { outline: none; border-color: var(--gold); box-shadow: var(--ring); }
.item-photo-preview { margin-top: 10px; max-width: 170px; border-radius: var(--radius-sm); display: block; box-shadow: var(--shadow-sm); border: 1px solid var(--border); }
.item-photo-input { margin-top: 10px; font-size: 0.82rem; color: var(--muted); max-width: 100%; }

.template-item-row { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; flex-wrap: wrap; }
.template-item-row input[type=text] { flex: 1; min-width: 140px; }
.template-item-row .flags { display: flex; gap: 10px; font-size: 0.8rem; color: var(--muted); white-space: nowrap; }
form.stacked .template-item-row .flags label,
.template-item-row .flags label {
    display: inline-flex; align-items: center; gap: 4px; margin: 0;
    text-transform: none; letter-spacing: normal; font-size: 0.8rem; color: var(--muted); font-weight: 500; cursor: pointer;
}

.day-picker { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
form.stacked .day-picker label,
.day-picker label {
    display: flex; align-items: center; gap: 4px; background: var(--card-alt); border: 1px solid var(--border-soft); padding: 6px 12px; border-radius: 999px;
    font-size: 0.82rem; font-weight: 600; color: var(--text); cursor: pointer; transition: background 0.15s ease;
    text-transform: none; letter-spacing: normal; margin: 0;
}
.day-picker label:has(input:checked) { background: var(--teal-tint); border-color: transparent; color: var(--teal-dark); }

.template-item-block { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px; margin-bottom: 10px; background: var(--card-alt); }
.template-item-block .template-item-row { margin-bottom: 8px; }
.assignee-picker { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
form.stacked .assignee-picker label,
.assignee-picker label {
    display: flex; align-items: center; gap: 4px; background: var(--card); border: 1px solid var(--border-soft); padding: 4px 10px; border-radius: 999px;
    font-size: 0.78rem; font-weight: 600; cursor: pointer;
    text-transform: none; letter-spacing: normal; margin: 0;
}

.assignee-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.assignee-badges { display: flex; gap: 6px; flex-wrap: wrap; }
.assignee-badge { display: inline-block; padding: 3px 11px; border-radius: 999px; font-size: 0.74rem; font-weight: 700; background: var(--teal-tint); color: var(--teal-dark); }
.reassign-panel {
    margin-top: 10px; padding: 12px; background: var(--card-alt); border-radius: var(--radius-sm); border: 1px solid var(--border-soft);
    display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}
.reassign-panel label { display: flex; align-items: center; gap: 4px; font-size: 0.85rem; font-weight: 500; }
.approval-row { display: flex; align-items: center; gap: 10px; margin-top: 10px; flex-wrap: wrap; }
.approve-reject-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.reject-panel {
    margin-top: 10px; padding: 12px; background: var(--card-alt); border-radius: var(--radius-sm); border: 1px solid var(--border-soft);
    display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}
.reject-panel .reject-note-input {
    flex: 1; min-width: 160px; padding: 8px 10px; border: 1px solid var(--border); border-radius: 7px;
    background: var(--card); color: var(--text); font-size: 0.85rem; font-family: inherit;
}
.reject-panel .reject-note-input:focus { outline: none; border-color: var(--gold); box-shadow: var(--ring); }

/* Toasts */
#toast-stack {
    position: fixed;
    bottom: 20px;
    right: 20px;
    left: 20px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
    z-index: 100;
}
.toast {
    background: var(--card);
    border: 1px solid var(--border);
    border-left: 3px solid var(--teal);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    padding: 12px 16px;
    font-size: 0.86rem;
    font-weight: 500;
    color: var(--text);
    max-width: min(340px, calc(100vw - 40px));
    animation: toast-in 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.toast.error { border-left-color: var(--danger); }
.toast.success { border-left-color: var(--success); }
.toast.fade-out { animation: toast-out 0.2s ease forwards; }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px) scale(0.98); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes toast-out { to { opacity: 0; transform: translateY(4px) scale(0.98); } }

/* Login */
.auth-shell { min-height: calc(100vh - 40px); display: flex; align-items: center; justify-content: center; padding: 20px; }
.auth-card { width: 100%; max-width: 380px; text-align: center; padding: clamp(28px, 6vw, 36px) clamp(20px, 6vw, 32px); }
.auth-card .brand-mark { width: 48px; height: 48px; border-radius: 50%; margin: 0 auto 14px; box-shadow: 0 6px 18px rgba(14, 124, 134, 0.35); }
.auth-card .brand-mark svg { width: 24px; height: 24px; }
.auth-card h1 { margin-bottom: 4px; color: var(--text); }
.auth-card .subtitle { color: var(--muted); font-size: 0.85rem; margin-bottom: 8px; }
.auth-card form.stacked { text-align: left; margin-top: 20px; }
.auth-card .btn { width: 100%; margin-top: 20px; padding: 13px; }
.auth-hint { margin-top: 18px; font-size: 0.78rem; color: var(--muted-soft); }

@media (max-width: 640px) {
    .topbar-inner { flex-wrap: wrap; row-gap: 14px; }
    .nav-toggle { display: inline-flex; }
    #siteNav {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 2px;
    }
    #siteNav a { width: 100%; }
    .topbar-user {
        display: none;
        width: 100%;
        justify-content: space-between;
        padding-top: 12px;
        border-top: 1px solid rgba(255, 255, 255, 0.14);
    }
    .topbar-inner.nav-open #siteNav,
    .topbar-inner.nav-open .topbar-user { display: flex; }
    .grid { grid-template-columns: 1fr; }
    .checklist-item { padding: 14px 2px; }
    #toast-stack { left: 12px; right: 12px; align-items: stretch; }
    .toast { max-width: 100%; }
}

@media (max-width: 400px) {
    .auth-card { padding: 24px 18px; }
    .card { padding: 14px; }
}