*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --terra-50:  #FDF4EE;
    --terra-100: #F8E3D4;
    --terra-200: #F0C4A8;
    --terra-300: #E8937A;
    --terra-400: #D4724E;
    --terra-500: #C0614C;
    --terra-600: #A04A38;
    --terra-700: #7A3928;
    --terra-800: #5C2A1C;
    --terra-900: #3D1C12;

    --sage:      #7BB69A;
    --sage-dark: #5A9E82;
    --warm-gray: #9B8C84;

    --bg:        #FDFAF7;
    --card:      #FFFFFF;
    --text:      #2C1810;
    --text-sub:  #8A6A5E;
    --border:    #EDCFBE;
    --shadow:    0 1px 3px rgba(160,74,56,.08), 0 4px 12px rgba(160,74,56,.06);
}

body {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.5;
    min-height: 100vh;
}

/* ── Layout ──────────────────────────────────────────────────────────────────── */
.layout { display: flex; min-height: 100vh; }

/* ── Sidebar ─────────────────────────────────────────────────────────────────── */
.sidebar {
    width: 220px;
    background: var(--terra-700);
    color: var(--terra-100);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0;
    height: 100vh;
    z-index: 100;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255,255,255,.12);
}
.brand-icon {
    width: 32px; height: 32px;
    border-radius: 8px;
    background: var(--terra-500);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}
.brand-name {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: .2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    text-decoration: none;
    color: var(--terra-200);
    font-size: 14px;
    font-weight: 500;
    transition: background .15s, color .15s;
}
.nav-item svg  { width: 18px; height: 18px; flex-shrink: 0; }
.nav-item:hover { background: rgba(255,255,255,.1); color: #fff; }
.nav-item.active { background: var(--terra-500); color: #fff; }

.sidebar-footer {
    padding: 16px 12px;
    border-top: 1px solid rgba(255,255,255,.12);
}
.logout-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    text-decoration: none;
    color: var(--terra-300);
    font-size: 14px;
    font-weight: 500;
    transition: background .15s, color .15s;
}
.logout-btn svg   { width: 18px; height: 18px; }
.logout-btn:hover { background: rgba(255,255,255,.08); color: #fff; }

/* ── Main content ────────────────────────────────────────────────────────────── */
.main-content {
    margin-left: 220px;
    flex: 1;
    min-height: 100vh;
    padding: 32px;
}
.main-content.chat-mode {
    padding: 0;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* ── Page header ─────────────────────────────────────────────────────────────── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
}
.page-title    { font-size: 22px; font-weight: 700; color: var(--terra-800); }
.page-subtitle { font-size: 13px; color: var(--text-sub); margin-top: 2px; }

/* ── Buttons ─────────────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all .15s;
    font-family: inherit;
    white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; flex-shrink: 0; }
.btn-sm  { padding: 6px 12px; font-size: 12px; }

.btn-primary        { background: var(--terra-500); color: #fff; }
.btn-primary:hover  { background: var(--terra-600); }
.btn-secondary      { background: var(--terra-100); color: var(--terra-700); }
.btn-secondary:hover{ background: var(--terra-200); }
.btn-ghost          { background: transparent; color: var(--text-sub); border: 1px solid var(--border); }
.btn-ghost:hover    { background: var(--terra-50); color: var(--text); }
.btn-danger         { background: #E53E3E; color: #fff; }
.btn-danger:hover   { background: #C53030; }
.btn-success        { background: var(--sage); color: #fff; }
.btn-success:hover  { background: var(--sage-dark); }
.btn-warning        { background: #DD6B20; color: #fff; }
.btn-warning:hover  { background: #C05621; }

/* ── Cards ───────────────────────────────────────────────────────────────────── */
.card {
    background: var(--card);
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}
.card + .card { margin-top: 20px; }
.card-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}
.card-body { padding: 24px; }

/* ── Section dividers (inside card-body) ─────────────────────────────────────── */
.section-divider { border: none; border-top: 1px solid var(--border); margin: 24px 0; }
.section-title   { font-size: 15px; font-weight: 600; color: var(--terra-800); margin-bottom: 4px; }
.section-sub     { font-size: 12px; color: var(--text-sub); margin-bottom: 16px; }

/* ── Info box ────────────────────────────────────────────────────────────────── */
.info-box {
    background: var(--terra-50);
    border: 1px solid var(--terra-100);
    border-radius: 10px;
    padding: 14px 18px;
    font-size: 13px;
    color: var(--text-sub);
    margin-top: 20px;
}
.info-box code {
    background: var(--terra-100);
    padding: 1px 5px;
    border-radius: 4px;
    font-size: 12px;
    color: var(--terra-700);
}

/* ── Alert banners ───────────────────────────────────────────────────────────── */
.alert         { padding: 12px 16px; border-radius: 8px; font-size: 13px; margin-bottom: 20px; }
.alert-success { background: #E6F5EF; color: #2F7A5E; border: 1px solid #A3D9C0; }
.alert-error   { background: #FDE8E4; color: #C0614C; border: 1px solid #F5C6C0; }
.alert-warning { background: #FFFBEB; color: #92400E; border: 1px solid #FCD34D; }
.alert-info    { background: #EFF6FF; color: #1D4ED8; border: 1px solid #BFDBFE; }

/* ── FullCalendar overrides ──────────────────────────────────────────────────── */
.fc { font-family: 'Inter', system-ui, sans-serif; }
.fc .fc-toolbar-title { font-size: 16px; font-weight: 700; color: var(--terra-800); }
.fc .fc-button {
    background: var(--terra-500) !important;
    border-color: var(--terra-500) !important;
    font-size: 12px !important;
    font-weight: 500 !important;
    padding: 5px 12px !important;
    border-radius: 6px !important;
    font-family: inherit !important;
}
.fc .fc-button:hover  { background: var(--terra-600) !important; border-color: var(--terra-600) !important; }
.fc .fc-button-active { background: var(--terra-700) !important; border-color: var(--terra-700) !important; }
.fc .fc-button:disabled { opacity: .45 !important; }
.fc .fc-col-header-cell {
    font-weight: 600; color: var(--terra-700);
    font-size: 11px; text-transform: uppercase; letter-spacing: .6px;
}
.fc .fc-timegrid-slot-label { font-size: 11px; color: var(--text-sub); }
.fc-event {
    cursor: pointer; border-radius: 4px !important;
    font-size: 12px !important; font-weight: 500 !important;
    border: none !important; padding: 2px 4px !important;
}
.fc .fc-timegrid-now-indicator-line { border-color: var(--terra-400); }
.fc .fc-day-today { background: rgba(192,97,76,.04) !important; }
.fc .fc-daygrid-day-number { color: var(--terra-700); font-weight: 500; }

/* ── Modal ───────────────────────────────────────────────────────────────────── */
.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(44,24,16,.45);
    backdrop-filter: blur(2px);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal {
    background: #fff;
    border-radius: 16px;
    width: 100%; max-width: 460px;
    box-shadow: 0 20px 60px rgba(0,0,0,.2);
    overflow: hidden;
    animation: modalIn .2s ease;
}
@keyframes modalIn {
    from { transform: translateY(12px) scale(.97); opacity: 0; }
    to   { transform: translateY(0) scale(1); opacity: 1; }
}
.modal-header {
    padding: 20px 24px 16px;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
}
.modal-title { font-size: 16px; font-weight: 700; color: var(--terra-800); }
.modal-close {
    background: none; border: none; cursor: pointer;
    color: var(--text-sub); padding: 4px; border-radius: 6px;
    display: flex; align-items: center; transition: background .15s;
}
.modal-close:hover { background: var(--terra-50); color: var(--text); }
.modal-close svg { width: 20px; height: 20px; }
.modal-body   { padding: 20px 24px; }
.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    display: flex; gap: 8px; justify-content: flex-end; flex-wrap: wrap;
}

/* ── Detail grid (modal) ─────────────────────────────────────────────────────── */
.detail-grid  { display: grid; gap: 14px; margin-bottom: 20px; }
.detail-row   { display: flex; flex-direction: column; gap: 2px; }
.detail-label { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .6px; color: var(--text-sub); }
.detail-value { font-size: 14px; color: var(--text); font-weight: 500; }

/* ── Badges ──────────────────────────────────────────────────────────────────── */
.badge { display: inline-flex; align-items: center; padding: 3px 9px; border-radius: 20px; font-size: 11px; font-weight: 600; }
.badge-available { background: #E6F5EF; color: #2F7A5E; }
.badge-booked    { background: #FDE8E4; color: #C0614C; }
.badge-blocked   { background: #F0EAE7; color: #7A6058; }
.badge-active    { background: #E6F5EF; color: #2F7A5E; }
.badge-cold      { background: #EDF2F7; color: #4A5568; }
.badge-lead      { background: #FEF3C7; color: #92400E; }

/* ── Form ────────────────────────────────────────────────────────────────────── */
.form-group  { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-label  { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: var(--text-sub); }
.form-hint   { font-size: 12px; color: var(--text-sub); margin-top: -2px; }
.form-input, .form-select, .form-textarea {
    padding: 9px 12px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    color: var(--text);
    background: #fff;
    transition: border-color .15s;
    width: 100%;
}
.form-textarea { resize: vertical; }
.form-textarea.mono { font-family: 'Fira Mono', 'Courier New', monospace; font-size: 13px; }
.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--terra-400);
    box-shadow: 0 0 0 3px rgba(192,97,76,.12);
}
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* ── Checkbox grid ───────────────────────────────────────────────────────────── */
.checkbox-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 8px; }
.checkbox-label { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: 13px; color: var(--text); user-select: none; }
.checkbox-label input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--terra-500); cursor: pointer; flex-shrink: 0; }

/* ── Table ───────────────────────────────────────────────────────────────────── */
.table-container { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead th {
    padding: 10px 16px;
    font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .6px;
    color: var(--text-sub); text-align: left;
    background: var(--terra-50); border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
tbody tr { border-bottom: 1px solid #F8F0EC; transition: background .1s; }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: #FFFAF8; }
tbody td { padding: 12px 16px; font-size: 13px; color: var(--text); }

/* ── User info cell ──────────────────────────────────────────────────────────── */
.user-avatar {
    width: 34px; height: 34px; border-radius: 50%;
    background: var(--terra-200); color: var(--terra-700);
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 12px; font-weight: 700; flex-shrink: 0;
}
.user-info { display: flex; align-items: center; gap: 10px; }
.user-name  { font-weight: 600; color: var(--terra-800); }
.user-sub   { font-size: 11px; color: var(--text-sub); }

/* ── Filter tabs ─────────────────────────────────────────────────────────────── */
.filter-tabs {
    display: flex; gap: 4px;
    background: var(--terra-50); padding: 4px;
    border-radius: 10px; border: 1px solid var(--border);
}
.filter-tab {
    padding: 6px 14px; border-radius: 7px; border: none; background: none;
    font-size: 13px; font-weight: 500; color: var(--text-sub);
    cursor: pointer; transition: all .15s; font-family: inherit; white-space: nowrap;
}
.filter-tab:hover { color: var(--text); }
.filter-tab.active { background: #fff; color: var(--terra-700); font-weight: 600; box-shadow: 0 1px 3px rgba(0,0,0,.1); }

/* ── Stats row ───────────────────────────────────────────────────────────────── */
.stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 20px; box-shadow: var(--shadow); }
.stat-value { font-size: 30px; font-weight: 700; color: var(--terra-600); line-height: 1; }
.stat-label { font-size: 12px; color: var(--text-sub); margin-top: 6px; }

/* ── Legend ──────────────────────────────────────────────────────────────────── */
.legend { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.legend-item { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-sub); }
.legend-dot { width: 10px; height: 10px; border-radius: 50%; }

/* ── Login page ──────────────────────────────────────────────────────────────── */
.login-page {
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--terra-800) 0%, var(--terra-500) 55%, var(--terra-300) 100%);
    padding: 20px;
}
.login-card { background: #fff; border-radius: 20px; padding: 48px 44px; width: 100%; max-width: 400px; box-shadow: 0 24px 80px rgba(0,0,0,.2); }
.login-logo         { text-align: center; margin-bottom: 36px; }
.login-logo-icon    { font-size: 52px; display: block; margin-bottom: 12px; }
.login-logo-text    { font-size: 22px; font-weight: 700; color: var(--terra-700); }
.login-logo-sub     { font-size: 13px; color: var(--text-sub); margin-top: 4px; }
.login-error {
    background: #FDE8E4; color: #C0614C;
    padding: 10px 14px; border-radius: 8px;
    font-size: 13px; margin-bottom: 20px; border: 1px solid #F5C6C0;
}

/* ── Toast ───────────────────────────────────────────────────────────────────── */
.toast {
    position: fixed; bottom: 24px; right: 24px;
    padding: 12px 20px; border-radius: 10px;
    font-size: 14px; font-weight: 500;
    z-index: 2000; display: none; align-items: center; gap: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,.15);
    animation: slideIn .25s ease; max-width: 320px;
}
.toast.show    { display: flex; }
.toast-success { background: #E6F5EF; color: #2F7A5E; border: 1px solid #A3D9C0; }
.toast-error   { background: #FDE8E4; color: #C0614C; border: 1px solid #F5C6C0; }
@keyframes slideIn {
    from { transform: translateY(12px); opacity: 0; }
    to   { transform: translateY(0);    opacity: 1; }
}

/* ── Scrollbar ───────────────────────────────────────────────────────────────── */
::-webkit-scrollbar       { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--terra-200); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--terra-300); }

/* ── Empty state ─────────────────────────────────────────────────────────────── */
.empty-state      { text-align: center; padding: 48px 24px; color: var(--text-sub); }
.empty-state-icon { font-size: 40px; margin-bottom: 12px; }
.empty-state-text { font-size: 14px; }

/* ── Conversation list ───────────────────────────────────────────────────────── */
.conv-row {
    display: flex; align-items: center; gap: 14px;
    padding: 14px 20px;
    border-bottom: 1px solid #F8F0EC;
    text-decoration: none; color: inherit;
    transition: background .1s; cursor: pointer;
}
.conv-row:last-child { border-bottom: none; }
.conv-row:hover { background: #FFFAF8; }
.conv-avatar {
    width: 42px; height: 42px; border-radius: 50%;
    background: var(--terra-200); color: var(--terra-700);
    display: flex; align-items: center; justify-content: center;
    font-size: 15px; font-weight: 700; flex-shrink: 0;
}
.conv-info    { flex: 1; min-width: 0; }
.conv-name    { font-weight: 600; color: var(--terra-800); font-size: 14px; }
.conv-preview { font-size: 13px; color: var(--text-sub); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-top: 2px; }
.conv-phone   { font-size: 11px; color: var(--warm-gray); margin-top: 2px; }
.conv-meta    { text-align: right; flex-shrink: 0; }
.conv-date    { font-size: 11px; color: var(--text-sub); white-space: nowrap; }
.conv-count   { display: inline-block; margin-top: 4px; background: var(--terra-100); color: var(--terra-700); font-size: 10px; font-weight: 600; padding: 2px 7px; border-radius: 10px; }
.conv-arrow   { color: var(--terra-200); font-size: 18px; margin-left: 8px; transition: color .15s; }
.conv-row:hover .conv-arrow { color: var(--terra-500); }

/* ── Pagination ──────────────────────────────────────────────────────────────── */
.pagination { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 28px; }
.page-btn {
    padding: 7px 14px; border-radius: 8px; font-size: 13px; font-weight: 500;
    border: 1px solid var(--border); background: #fff; color: var(--text-sub);
    text-decoration: none; transition: all .15s;
}
.page-btn:hover   { background: var(--terra-50); color: var(--text); }
.page-btn.current { background: var(--terra-500); color: #fff; border-color: var(--terra-500); }

/* ── Chat (conversation view) ────────────────────────────────────────────────── */
.chat-header {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 24px;
    background: #fff;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0; box-shadow: var(--shadow);
}
.chat-avatar {
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--terra-400); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 15px; flex-shrink: 0;
}
.chat-back {
    color: var(--text-sub); text-decoration: none;
    font-size: 22px; line-height: 1; padding: 4px 8px;
    border-radius: 6px; transition: color .15s, background .15s;
}
.chat-back:hover { color: var(--text); background: var(--terra-50); }
.chat-name  { font-weight: 600; color: var(--terra-800); font-size: 15px; }
.chat-phone { font-size: 12px; color: var(--text-sub); }

.chat-body {
    flex: 1; overflow-y: auto;
    padding: 20px 24px;
    background: #F2E9E3;
    display: flex; flex-direction: column; gap: 8px;
}
.chat-body::-webkit-scrollbar       { width: 4px; }
.chat-body::-webkit-scrollbar-thumb { background: var(--terra-200); border-radius: 2px; }

.msg-row     { display: flex; }
.msg-row.out { justify-content: flex-end; }
.msg-row.in  { justify-content: flex-start; }

.msg-in, .msg-out {
    max-width: 65%; padding: 9px 13px;
    font-size: 14px; line-height: 1.5;
    box-shadow: 0 1px 2px rgba(0,0,0,.1);
}
.msg-in  { background: #fff;    border-radius: 0 12px 12px 12px; color: var(--text); }
.msg-out { background: #D5EAC9; border-radius: 12px 0 12px 12px; color: var(--text); }
.msg-text { white-space: pre-wrap; word-break: break-word; }
.msg-meta { font-size: 10px; color: var(--text-sub); text-align: right; margin-top: 4px; }

.chat-input-bar {
    padding: 14px 24px; background: #fff;
    border-top: 1px solid var(--border); flex-shrink: 0;
}
.chat-input-form { display: flex; gap: 10px; align-items: flex-end; }
.chat-textarea {
    flex: 1; resize: none;
    border: 1.5px solid var(--border); border-radius: 20px;
    padding: 10px 16px; font-size: 14px; font-family: inherit; color: var(--text);
    max-height: 120px; overflow-y: auto; transition: border-color .15s;
    line-height: 1.4; background: var(--bg);
}
.chat-textarea:focus { outline: none; border-color: var(--terra-400); box-shadow: 0 0 0 3px rgba(192,97,76,.1); }
.chat-send-btn {
    width: 42px; height: 42px; border-radius: 50%;
    background: var(--terra-500); border: none; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0; transition: background .15s; color: #fff;
}
.chat-send-btn:hover { background: var(--terra-600); }
.chat-send-btn svg { width: 18px; height: 18px; transform: rotate(90deg); }