/* Chatter Portal — Responsive Dark Theme */
:root {
  --bg: #0d1117; --bg2: #161b22; --bg3: #21262d; --border: #30363d;
  --text: #e6edf3; --text2: #8b949e; --text3: #6e7681;
  --green: #3fb950; --red: #f85149; --blue: #58a6ff; --purple: #bc8cff;
  --yellow: #d29922; --orange: #f0883e;
  --btn-green: #238636; --btn-green-h: #2ea043;
  --btn-red: #da3633; --btn-red-h: #f85149;
  --radius: 8px; --radius-sm: 6px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 14px; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: var(--bg); color: var(--text); overflow-x: hidden; }

/* Layout */
.layout { display: flex; min-height: 100vh; }
.sidebar { width: 220px; background: var(--bg2); border-right: 1px solid var(--border); display: flex; flex-direction: column; position: fixed; top: 0; left: 0; bottom: 0; z-index: 100; }
.sidebar-header { padding: 16px; border-bottom: 1px solid var(--border); font-weight: 700; font-size: 16px; }
.sidebar-nav { flex: 1; overflow-y: auto; padding: 8px 0; }
.sidebar-nav a { display: flex; align-items: center; gap: 8px; padding: 10px 16px; color: var(--text2); text-decoration: none; font-size: 13px; transition: all 0.15s; }
.sidebar-nav a:hover { color: var(--text); background: var(--bg3); }
.sidebar-nav a.active { color: var(--blue); background: rgba(56,139,253,0.1); border-right: 2px solid var(--blue); }
.sidebar-footer { padding: 12px 16px; border-top: 1px solid var(--border); font-size: 12px; color: var(--text3); }
.main { flex: 1; margin-left: 220px; padding: 20px; max-width: 100vw; overflow-x: hidden; }

/* Mobile */
.mobile-header { display: none; position: fixed; top: 0; left: 0; right: 0; height: 48px; background: var(--bg2); border-bottom: 1px solid var(--border); z-index: 101; padding: 0 12px; align-items: center; }
.hamburger { background: none; border: none; color: var(--text); font-size: 24px; cursor: pointer; padding: 8px; }
.mobile-title { font-weight: 700; font-size: 15px; margin-left: 8px; }
.sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 99; }

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); transition: transform 0.2s; width: 260px; }
  .sidebar.open { transform: translateX(0); }
  .sidebar-overlay.open { display: block; }
  .mobile-header { display: flex; }
  .main { margin-left: 0; padding: 60px 12px 12px; }
}

/* Cards */
.card { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; margin-bottom: 12px; }
.card h3 { font-size: 15px; margin-bottom: 12px; }

/* Stats grid */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; margin-bottom: 16px; }
.stat { text-align: center; padding: 12px 8px; }
.stat .val { font-size: 22px; font-weight: 700; color: var(--blue); }
.stat .lbl { font-size: 11px; color: var(--text2); margin-top: 2px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 6px; background: var(--btn-green); color: #fff; border: none; padding: 8px 14px; border-radius: var(--radius-sm); cursor: pointer; font-size: 13px; white-space: nowrap; transition: background 0.15s; }
.btn:hover { background: var(--btn-green-h); }
.btn:disabled { opacity: 0.5; cursor: default; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-danger { background: var(--btn-red); }
.btn-danger:hover { background: var(--btn-red-h); }
.btn-secondary { background: var(--bg3); color: var(--text); }
.btn-secondary:hover { background: var(--border); }
.btn-purple { background: #8b5cf6; }
.btn-purple:hover { background: #7c3aed; }

/* Inputs */
input, select, textarea {
  background: var(--bg); border: 1px solid var(--border); color: var(--text);
  padding: 8px 10px; border-radius: var(--radius-sm); font-size: 13px; width: 100%;
}
select { cursor: pointer; }
textarea { resize: vertical; font-family: monospace; }

/* Tables — responsive */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 -16px; padding: 0 16px; }
table { width: 100%; border-collapse: collapse; min-width: 600px; }
th, td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--bg3); white-space: nowrap; }
th { color: var(--text2); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; position: sticky; top: 0; background: var(--bg2); }

/* Badges */
.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 11px; font-weight: 600; }
.badge-green { background: rgba(63,185,80,0.15); color: var(--green); }
.badge-red { background: rgba(248,81,73,0.15); color: var(--red); }
.badge-blue { background: rgba(88,166,255,0.15); color: var(--blue); }
.badge-yellow { background: rgba(210,153,34,0.15); color: var(--yellow); }
.badge-purple { background: rgba(188,140,255,0.15); color: var(--purple); }
.badge-gray { background: var(--bg3); color: var(--text2); }

/* Filters row */
.filters { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
.filters input, .filters select { width: auto; min-width: 120px; }
@media (max-width: 768px) { .filters input, .filters select { min-width: 100px; flex: 1; } }

/* Status colors */
.status-active { color: var(--green); }
.status-completed { color: var(--text2); }
.status-cancelled { color: var(--red); }

/* Login */
.login-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 20px; }
.login-card { width: 100%; max-width: 380px; }
.login-card h1 { text-align: center; margin-bottom: 20px; font-size: 22px; }
.login-card input { margin-bottom: 10px; }
.login-card .btn { width: 100%; justify-content: center; }

/* Tabs */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 12px; overflow-x: auto; }
.tabs a { padding: 8px 14px; color: var(--text2); text-decoration: none; font-size: 13px; white-space: nowrap; border-bottom: 2px solid transparent; }
.tabs a.active { color: var(--blue); border-bottom-color: var(--blue); }
.tabs a:hover { color: var(--text); }

/* Pagination */
.pagination { display: flex; gap: 8px; justify-content: center; align-items: center; margin-top: 12px; font-size: 13px; color: var(--text2); }

/* Form grid */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 768px) { .form-grid { grid-template-columns: 1fr; } }
.form-group { display: flex; flex-direction: column; gap: 4px; }
.form-group label { font-size: 12px; color: var(--text2); }

/* Empty state */
.empty { text-align: center; padding: 32px; color: var(--text3); font-size: 14px; }

/* Rule cards */
.rule-card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px; margin-bottom: 8px; }
.rule-card .rule-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.rule-card .rule-scope { font-size: 11px; color: var(--text3); }

/* Chart placeholder */
.chart { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px; min-height: 200px; display: flex; flex-direction: column; }
.chart-bar { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; font-size: 12px; }
.chart-bar .bar { height: 20px; background: var(--blue); border-radius: 3px; min-width: 2px; transition: width 0.3s; }
.chart-bar .label { min-width: 80px; color: var(--text2); text-align: right; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chart-bar .value { min-width: 60px; font-weight: 600; }

/* Modal */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.7); z-index: 200; display: flex; align-items: center; justify-content: center; padding: 16px; }
.modal { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; width: 100%; max-width: 500px; max-height: 90vh; overflow-y: auto; }
.modal h3 { margin-bottom: 16px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; }

/* Toast */
.toast-container { position: fixed; top: 60px; right: 16px; z-index: 300; display: flex; flex-direction: column; gap: 8px; }
.toast { padding: 10px 16px; border-radius: var(--radius-sm); font-size: 13px; animation: toastIn 0.2s; max-width: 320px; }
.toast-success { background: rgba(63,185,80,0.9); color: #fff; }
.toast-error { background: rgba(248,81,73,0.9); color: #fff; }
@keyframes toastIn { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

/* Inline confirm */
.confirm-bar { display: inline-flex; gap: 4px; align-items: center; font-size: 12px; }
.confirm-bar .confirm-msg { color: var(--yellow); }

/* Flatpickr overrides for dark theme */
.flatpickr-calendar { background: var(--bg2) !important; border: 1px solid var(--border) !important; box-shadow: 0 8px 24px rgba(0,0,0,0.5) !important; border-radius: var(--radius) !important; font-size: 13px !important; }
.flatpickr-months .flatpickr-month { background: var(--bg2) !important; color: var(--text) !important; }
.flatpickr-current-month .flatpickr-monthDropdown-months { background: var(--bg3) !important; color: var(--text) !important; }
.flatpickr-current-month input.cur-year { color: var(--text) !important; }
span.flatpickr-weekday { color: var(--text2) !important; background: var(--bg2) !important; }
.flatpickr-day { color: var(--text) !important; border-radius: var(--radius-sm) !important; }
.flatpickr-day:hover { background: var(--bg3) !important; border-color: var(--border) !important; }
.flatpickr-day.selected, .flatpickr-day.startRange, .flatpickr-day.endRange { background: var(--blue) !important; border-color: var(--blue) !important; color: #fff !important; }
.flatpickr-day.inRange { background: rgba(88,166,255,0.15) !important; border-color: transparent !important; box-shadow: -5px 0 0 rgba(88,166,255,0.15), 5px 0 0 rgba(88,166,255,0.15) !important; }
.flatpickr-day.today { border-color: var(--yellow) !important; }
.flatpickr-day.flatpickr-disabled, .flatpickr-day.prevMonthDay, .flatpickr-day.nextMonthDay { color: var(--text3) !important; }
.flatpickr-months .flatpickr-prev-month, .flatpickr-months .flatpickr-next-month { fill: var(--text2) !important; }
.flatpickr-months .flatpickr-prev-month:hover svg, .flatpickr-months .flatpickr-next-month:hover svg { fill: var(--text) !important; }
.date-range-input { cursor: pointer !important; min-width: 200px; }
.date-range-wrap { position: relative; display: inline-flex; align-items: center; gap: 4px; }
.date-range-wrap .clear-dates { background: none; border: none; color: var(--text3); cursor: pointer; font-size: 16px; padding: 2px 6px; border-radius: var(--radius-sm); }
.date-range-wrap .clear-dates:hover { color: var(--red); background: var(--bg3); }