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

:root {
    --primary: #1a5c2a;
    --primary-container: #e8f5e9;
    --primary-light: #2e7d32;
    --secondary: #ffb300;
    --secondary-container: #fff8e1;
    --tertiary: #8e394c;
    --error: #ba1a1a;
    --error-container: #ffdad6;
    --surface: #ffffff;
    --surface-dim: #f5f5f5;
    --surface-container: #f1f8f1;
    --surface-container-low: #f8faf8;
    --surface-container-high: #e8ede8;
    --surface-container-highest: #dfe5df;
    --surface-bright: #ffffff;
    --on-surface: #181d18;
    --on-surface-variant: #404940;
    --on-primary: #ffffff;
    --outline: #707a6f;
    --outline-variant: #bfc9bd;
    --inverse-surface: #2d322d;
    --inverse-on-surface: #eef2ea;
    --shadow: rgba(26, 92, 42, 0.12);
    --sidebar-bg: #1a5c2a;
    --sidebar-on-bg: #ffffff;
    --sidebar-width: 270px;
    --topbar-height: 64px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-full: 9999px;
}

[data-theme="dark"] {
    --primary: #5dba62;
    --primary-container: #1e4d28;
    --primary-light: #96d39a;
    --secondary: #ffc234;
    --secondary-container: #3d2900;
    --tertiary: #f48fb1;
    --error: #ff8a80;
    --error-container: #7a0000;
    --surface: #111a13;
    --surface-dim: #0c130d;
    --surface-container: #192018;
    --surface-container-low: #151c15;
    --surface-container-high: #22302a;
    --surface-container-highest: #2c3d33;
    --surface-bright: #243028;
    --on-surface: #6c8371;
    --on-surface-variant: #647968;
    --on-primary: #242424;
    --outline: #6e8870;
    --outline-variant: #344d38;
    --inverse-surface: #242524;
    --inverse-on-surface: #316929;
    --shadow: rgba(0, 0, 0, 0.5);
    --sidebar-bg: #0f3d1f;
    --sidebar-on-bg: #ffffff;
}

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

html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', sans-serif;
    font-size: 15px; /* Moderated for perfect balance */
    line-height: 1.6;
    color: var(--on-surface);
    background: var(--surface);
    -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; font-size: 1rem; }

/* ===== Typography ===== */
.text-h1 { font-size: 2rem; font-weight: 850; line-height: 1.2; letter-spacing: -0.03em; }
.text-h2 { font-size: 1.65rem; font-weight: 800; line-height: 1.25; letter-spacing: -0.02em; }
.text-h3 { font-size: 1.25rem; font-weight: 750; line-height: 1.3; letter-spacing: -0.01em; }
.text-body-lg { font-size: 1.05rem; line-height: 1.65; }
.text-body-md { font-size: 0.9rem; line-height: 1.6; }
.text-body-sm { font-size: 0.8rem; line-height: 1.5; }
.text-label { font-size: 0.725rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }

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

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    color: var(--sidebar-on-bg);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    transition: all 0.3s ease;
    border-right: 1px solid rgba(255,255,255,0.05);
    box-shadow: 4px 0 24px rgba(0,0,0,0.1);
}
.sidebar-brand {
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.sidebar-brand .logo-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}
.sidebar-brand .brand-icon {
    width: 48px; height: 48px;
    display: flex; align-items: center; justify-content: center;
}
.sidebar-brand h2 { font-size: 1.25rem; font-weight: 800; color: #fff; letter-spacing: -0.5px; }
.sidebar-brand .brand-sub { font-size: 0.65rem; color: rgba(255,255,255,0.6); text-transform: uppercase; letter-spacing: 1px; font-weight: 700; }

.sidebar-nav { flex: 1; padding: 8px 12px; display: flex; flex-direction: column; gap: 4px; }
.sidebar-nav a, .sidebar-nav button {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 14px; border-radius: 10px; color: rgba(255,255,255,0.7);
    font-size: 0.8125rem; font-weight: 500;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1); border: none; background: none; width: 100%;
    text-align: left;
}
.sidebar-nav a:hover, .sidebar-nav button:hover { 
    background: rgba(255,255,255,0.1); 
    color: #fff; 
    transform: translateX(4px);
}
.sidebar-nav a.active {
    background: rgba(255,255,255,0.15);
    color: #fff;
    font-weight: 700;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.1);
    backdrop-filter: blur(5px);
}
.sidebar-nav a.active .material-symbols-outlined {
    color: var(--secondary);
}
.sidebar-nav .material-symbols-outlined { font-size: 22px; transition: color 0.2s; }
.sidebar-footer { padding: 20px 16px; }
.btn-logout-sidebar {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 16px; border-radius: 12px;
    background: rgba(255,255,255,0.05);
    color: #fff; font-size: 0.875rem; font-weight: 600;
    transition: all 0.2s;
}
.btn-logout-sidebar:hover { background: rgba(255, 0, 0, 0.15); color: #ff8a80; }

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: margin-left 0.3s ease;
}

.main-content.full-width {
    margin-left: 0;
}

/* Topbar */
.topbar {
    height: var(--topbar-height);
    background: var(--surface);
    border-bottom: 1px solid var(--outline-variant);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    position: sticky; top: 0; z-index: 50;
}
.topbar-left { display: flex; align-items: center; gap: 12px; }
.topbar-left .breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 0.875rem; color: var(--outline); }
.topbar-left .breadcrumb a { color: var(--primary); }
.topbar-left .breadcrumb span { color: var(--on-surface); font-weight: 600; }
.topbar-right { display: flex; align-items: center; gap: 16px; }
.topbar-right .icon-btn {
    width: 36px; height: 36px; border-radius: var(--radius-md);
    border: 1px solid transparent; background: transparent;
    display: flex; align-items: center; justify-content: center;
    color: var(--on-surface-variant); position: relative; transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.topbar-right .icon-btn:hover { 
    background: var(--surface-container-high); color: var(--primary);
    transform: translateY(-2px);
}

#menuToggle {
    background: transparent;
    color: var(--primary);
    border: none;
    width: 42px;
    height: 42px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}
#menuToggle:hover {
    background: var(--surface-container-high);
    transform: scale(1.05);
}

.topbar-right .avatar {
    width: 36px; height: 36px; border-radius: var(--radius-md);
    background: var(--primary); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 0.875rem;
    box-shadow: 0 2px 8px rgba(9, 100, 48, 0.2);
}

.page-content { flex: 1; padding: 24px 32px; }
.page-header { margin-bottom: 24px; }
.page-header h1 { font-size: 1.6rem; font-weight: 850; color: var(--on-surface); letter-spacing: -0.8px; }
.page-header p { color: var(--on-surface-variant); margin-top: 6px; font-size: 0.95rem; font-weight: 500; }

/* ===== Cards ===== */
.card {
    background: var(--surface);
    border: 1.5px solid var(--outline-variant);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: 0 4px 20px var(--shadow);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(45, 125, 70, 0.08);
}
.stat-card {
    display: flex; align-items: center; gap: 12px;
    background: var(--surface-container-low); border: 1px solid var(--outline-variant);
    border-radius: var(--radius-lg); padding: 10px 14px;
    box-shadow: 0 1px 3px var(--shadow);
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
}
.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(45, 125, 70, 0.1);
    border-bottom-color: var(--primary);
    background: var(--surface);
}
.stat-card .stat-icon {
    width: 40px; height: 40px; border-radius: var(--radius-lg);
    display: flex; align-items: center; justify-content: center;
}
.stat-card .stat-icon.green { background: var(--primary-container); color: var(--primary-light); }
.stat-card .stat-icon.yellow { background: var(--secondary-container); color: var(--secondary); }
.stat-card .stat-icon.red { background: var(--error-container); color: var(--error); }
.stat-card .stat-icon.blue { background: var(--surface-container-highest); color: #47a1ff; }
.stat-card .stat-label { font-size: 0.85rem; font-weight: 600; color: var(--on-surface-variant); }
.stat-card .stat-value { font-size: 1.5rem; font-weight: 900; color: var(--on-surface); letter-spacing: -0.5px; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-bottom: 24px; }

/* ===== Tables ===== */
.table-container { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead th {
    text-align: left; padding: 14px 18px;
    font-size: 0.775rem; font-weight: 750; text-transform: uppercase;
    letter-spacing: 0.08em; color: var(--on-surface-variant);
    border-bottom: 2px solid var(--outline-variant);
    background: var(--surface-container-low);
}
tbody td {
    padding: 16px 18px; border-bottom: 1px solid var(--outline-variant);
    color: var(--on-surface); font-size: 0.9rem; font-weight: 500;
}
tbody tr { transition: background 0.15s; }
tbody tr:hover { background: transparent; }

/* ===== Badges ===== */
.badge {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 4px 12px; border-radius: var(--radius-full);
    font-size: 0.8125rem; font-weight: 500;
}
.badge-green { background: var(--primary-container); color: var(--primary-light); }
.badge-yellow { background: var(--secondary-container); color: var(--secondary); }
.badge-red { background: var(--error-container); color: var(--error); }
.badge-blue { background: var(--surface-container-highest); color: #47a1ff; }
.badge-gray { background: var(--surface-container-high); color: var(--on-surface-variant); }

.badge .material-symbols-outlined { font-size: 14px; }

/* ===== Buttons ===== */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    padding: 8px 16px; border-radius: 10px; font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); cursor: pointer; border: none; font-size: 0.875rem;
    text-decoration: none; position: relative; overflow: hidden;
}

.btn-primary { 
    background: var(--primary); color: #fff; 
    box-shadow: 0 4px 14px 0 rgba(9, 100, 48, 0.25);
}

.btn-primary:hover { 
    background: #074d25; 
    transform: translateY(-2px) scale(1.02); 
    box-shadow: 0 8px 20px 0 rgba(9, 100, 48, 0.3); 
}

.btn-secondary { 
    background: rgba(255, 255, 255, 0.8); 
    color: var(--on-surface); 
    border: 1.5px solid var(--outline-variant);
    backdrop-filter: blur(8px);
}

.btn-secondary:hover { 
    background: #fff; 
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.05);
}
.btn-secondary:active { transform: translateY(0); }
.btn-danger { background: var(--surface); color: var(--error); border: 1px solid var(--error); }
.btn-danger:hover { background: var(--error); color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 0.75rem; }
.btn-icon {
    width: 36px; height: 36px; padding: 0;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: var(--radius-md); border: none; background: none;
    transition: all 0.2s;
}
.btn-icon.view { color: var(--primary); }
.btn-icon.view:hover { background: #e8f5e9; }
.btn-icon.edit { color: var(--secondary); }
.btn-icon.edit:hover { background: #fff8e1; }
.btn-icon.delete { color: var(--error); }
.btn-icon.delete:hover { background: #fce4ec; }

/* ===== Forms ===== */
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block; margin-bottom: 6px;
    font-size: 0.875rem; font-weight: 600; color: var(--on-surface-variant);
}
.form-group label .required { color: var(--error); }
.form-control {
    width: 100%; padding: 12px 18px;
    border: 2px solid var(--outline-variant); border-radius: var(--radius-lg);
    background: var(--surface); color: var(--on-surface);
    font-size: 1rem; font-weight: 500; transition: all 0.3s ease;
    outline: none;
}
.form-control:hover {
    border-color: var(--primary-light);
}
.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(26, 92, 42, 0.1);
}
.form-control::placeholder { color: var(--outline); }
.form-control.is-invalid { border-color: var(--error); }
.invalid-feedback { font-size: 0.8125rem; color: var(--error); margin-top: 4px; }
textarea.form-control { min-height: 100px; resize: vertical; }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23707a6f' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
.input-icon { position: relative; }
.input-icon .material-symbols-outlined {
    position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
    color: var(--outline); font-size: 20px;
}
.input-icon .form-control { padding-left: 42px; }

/* ===== Alerts ===== */
.alert {
    padding: 10px 16px; border-radius: var(--radius-lg);
    display: flex; align-items: center; gap: 10px;
    margin-bottom: 20px; font-size: 0.9375rem;
}
.alert-success { background: #e8f5e9; color: #2e7d32; border: 1px solid #a5d6a7; }
.alert-error { background: #fce4ec; color: #c62828; border: 1px solid #ef9a9a; }
.alert-warning { background: #fff8e1; color: #f57f17; border: 1px solid #ffe082; }
.alert-info { background: #e3f2fd; color: #1565c0; border: 1px solid #90caf9; }

/* ===== Filter Bar ===== */
.filter-bar {
    background: var(--surface); border: 1px solid var(--outline-variant);
    border-radius: var(--radius-lg); padding: 12px 16px; margin-bottom: 16px;
    display: flex; flex-wrap: wrap; gap: 16px; align-items: flex-end;
}
.filter-bar .form-group { margin-bottom: 0; flex: 1; min-width: 180px; }
.filter-bar .btn-group { display: flex; gap: 8px; }

/* ===== Pagination ===== */
.pagination { display: flex; align-items: center; justify-content: space-between; margin-top: 20px; padding: 12px 0; }
.pagination-info { font-size: 0.875rem; color: var(--on-surface-variant); }
.pagination-links { display: flex; gap: 4px; }
.pagination-links a, .pagination-links span {
    width: 36px; height: 36px; display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-md); font-size: 0.875rem; font-weight: 500;
    border: 1px solid var(--outline-variant); color: var(--on-surface-variant);
    transition: all 0.2s;
}
.pagination-links a:hover { background: var(--surface-container-high); color: var(--on-surface); }
.pagination-links .active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ===== Login Page ===== */
.login-page { display: flex; min-height: 100vh; }
.login-illustration {
    display: none; width: 50%; position: relative;
    background: var(--primary-container); overflow: hidden;
}
.login-illustration img { width: 100%; height: 100%; object-fit: cover; }
.login-illustration .overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(45,125,70,0.9), rgba(9,100,48,0.4));
    z-index: 1;
}
.login-form-panel {
    width: 100%; display: flex; flex-direction: column;
    justify-content: center; align-items: center;
    padding: 32px; background: var(--surface);
}
.login-form-box { width: 100%; max-width: 420px; }
.login-brand { text-align: center; margin-bottom: 32px; }
.login-brand h1 { font-size: 2rem; font-weight: 700; color: var(--primary); display: flex; align-items: center; justify-content: center; gap: 8px; }
.login-brand p { color: var(--on-surface-variant); margin-top: 4px; }
.login-card {
    background: var(--surface-container); padding: 24px; border-radius: var(--radius-lg);
    border: 1px solid var(--outline-variant);
    box-shadow: 0 4px 16px var(--shadow);
}
.login-footer { text-align: center; margin-top: 32px; font-size: 0.875rem; color: var(--outline); }

/* ===== Chat UI — Professional Redesign ===== */
.chat-container {
    display: flex;
    flex-direction: column;
    height: calc(100vh - var(--topbar-height) - 48px);
    gap: 0;
}

/* Header */
.chat-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 24px;
    background: linear-gradient(135deg, var(--primary) 0%, #0d3b1a 100%);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}
.chat-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.07) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
}
.chat-header-avatar {
    width: 46px; height: 46px;
    border-radius: 14px;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(8px);
    border: 1.5px solid rgba(255,255,255,0.25);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}
.chat-header-avatar .material-symbols-outlined { color: #fff; font-size: 26px; }
.chat-header-info { flex: 1; position: relative; z-index: 1; }
.chat-header-info strong { font-size: 1rem; font-weight: 700; color: #fff; display: block; }
.chat-header-status {
    display: flex; align-items: center; gap: 6px;
    font-size: 0.775rem; color: rgba(255,255,255,0.8); margin-top: 2px;
}
.chat-header-status .pulse-dot {
    width: 7px; height: 7px; border-radius: 50%;
    background: #69f0ae;
    box-shadow: 0 0 0 0 rgba(105,240,174,0.6);
    animation: pulse-live 2s infinite;
}
@keyframes pulse-live {
    0%   { box-shadow: 0 0 0 0 rgba(105,240,174,0.6); }
    70%  { box-shadow: 0 0 0 6px rgba(105,240,174,0); }
    100% { box-shadow: 0 0 0 0 rgba(105,240,174,0); }
}
.chat-header-actions { position: relative; z-index: 1; }
.chat-header-actions .btn-icon.delete { color: rgba(255,255,255,0.7); }
.chat-header-actions .btn-icon.delete:hover { background: rgba(255,255,255,0.1); color: #fff; }

/* Messages area */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    background: var(--surface);
    border-left: 1px solid var(--outline-variant);
    border-right: 1px solid var(--outline-variant);
    scroll-behavior: smooth;
}
.chat-messages::-webkit-scrollbar { width: 4px; }
.chat-messages::-webkit-scrollbar-thumb { background: var(--outline-variant); border-radius: 4px; }

/* Message row wrappers */
.msg-row {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    animation: msgSlideIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.msg-row.user { flex-direction: row-reverse; }
@keyframes msgSlideIn {
    from { opacity: 0; transform: translateY(14px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* Mini avatar in rows */
.msg-avatar {
    width: 32px; height: 32px;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    font-size: 0.75rem; font-weight: 700;
}
.msg-avatar.bot-av {
    background: linear-gradient(135deg, var(--primary) 0%, #0d3b1a 100%);
    color: #fff;
}
.msg-avatar.user-av {
    background: var(--primary-container);
    color: var(--primary);
}

/* Bubble */
.chat-msg {
    max-width: 75%;
    padding: 13px 18px;
    font-size: 0.9125rem;
    line-height: 1.65;
    position: relative;
}
.chat-msg.user {
    background: linear-gradient(135deg, var(--primary) 0%, #0d4d1e 100%);
    color: #fff;
    border-radius: 18px 18px 4px 18px;
    box-shadow: 0 4px 14px rgba(26,92,42,0.25);
}
.chat-msg.bot {
    background: var(--surface-container-low);
    border: 1px solid var(--outline-variant);
    color: var(--on-surface);
    border-radius: 18px 18px 18px 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
[data-theme="dark"] .chat-msg.bot {
    background: var(--surface-container);
    border-color: var(--outline-variant);
}

/* Bot label inside bubble */
.bot-label {
    display: flex; align-items: center; gap: 6px;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--outline-variant);
}
.bot-label-icon {
    width: 20px; height: 20px; border-radius: 6px;
    background: var(--primary-container);
    display: flex; align-items: center; justify-content: center;
}
.bot-label-icon .material-symbols-outlined { font-size: 13px; color: var(--primary); }
.bot-label-text { font-size: 0.75rem; font-weight: 700; color: var(--primary); letter-spacing: 0.03em; }

/* Timestamp */
.msg-time {
    font-size: 0.68rem;
    margin-top: 6px;
    opacity: 0.65;
    text-align: right;
    display: block;
}
.chat-msg.bot .msg-time { text-align: left; }

/* Empty state */
.chat-empty {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    flex: 1; padding: 48px 24px; text-align: center; gap: 12px;
}
.chat-empty-icon {
    width: 72px; height: 72px; border-radius: 22px;
    background: linear-gradient(135deg, var(--primary-container), #c8e6c9);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 4px;
    box-shadow: 0 8px 24px rgba(26,92,42,0.12);
}
.chat-empty-icon .material-symbols-outlined { font-size: 38px; color: var(--primary); }
.chat-empty h3 { font-size: 1.125rem; font-weight: 700; color: var(--on-surface); }
.chat-empty p { font-size: 0.875rem; color: var(--outline); max-width: 320px; }

/* Suggestion chips */
.suggestion-chips {
    display: flex; flex-wrap: wrap; gap: 8px;
    padding: 0 20px 16px;
    background: var(--surface);
    border-left: 1px solid var(--outline-variant);
    border-right: 1px solid var(--outline-variant);
}
.chip {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 7px 14px;
    border-radius: var(--radius-full);
    border: 1.5px solid var(--outline-variant);
    background: var(--surface-container-low);
    color: var(--on-surface-variant);
    font-size: 0.8rem; font-weight: 500;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
}
.chip:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-container);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(26,92,42,0.1);
}
.chip .material-symbols-outlined { font-size: 15px; }

/* Input bar */
.chat-input-wrap {
    background: var(--surface);
    border: 1px solid var(--outline-variant);
    border-top: none;
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    padding: 14px 16px;
    flex-shrink: 0;
}
.chat-input-bar {
    display: flex; gap: 10px; align-items: center;
    padding: 10px 14px;
    background: var(--surface-container-low);
    border: 1.5px solid var(--outline-variant);
    border-radius: var(--radius-xl);
    transition: border-color 0.2s, box-shadow 0.2s;
}
.chat-input-bar:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26,92,42,0.08);
}
.chat-input-bar input {
    flex: 1; border: none; outline: none;
    font-size: 0.9375rem; background: transparent;
    color: var(--on-surface);
    min-width: 0;
}
.chat-input-bar input::placeholder { color: var(--outline); }
.chat-send-btn {
    width: 40px; height: 40px; border-radius: 12px;
    background: var(--primary); color: #fff; border: none;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(26,92,42,0.2);
}
.chat-send-btn:hover {
    background: #0d4d1e;
    transform: scale(1.08);
    box-shadow: 0 6px 18px rgba(26,92,42,0.3);
}
.chat-send-btn .material-symbols-outlined { font-size: 20px; }
.chat-footer-note {
    text-align: center; font-size: 0.7rem; color: var(--outline);
    margin-top: 10px;
}

/* ===== Landing Page ===== */
.landing-nav {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 40px; background: var(--primary);
    border-bottom: none;
    position: sticky; top: 0; z-index: 100;
}
.landing-nav .nav-brand { display: flex; align-items: center; gap: 8px; font-size: 1.25rem; font-weight: 700; color: #fff; }
.landing-nav .nav-links { display: flex; gap: 80px; }
.landing-nav .nav-links a { 
    font-size: 0.9375rem; color: rgba(255,255,255,0.7); font-weight: 500; 
    transition: color 0.3s ease;
}
.landing-nav .nav-links a:hover {
    color: #fff;
}
.landing-nav .nav-links a.active {
    color: #fff;
    font-weight: 700;
}
.landing-nav .nav-actions { display: flex; gap: 12px; align-items: center; }
.landing-nav .btn-login-admin {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(4px);
}
.landing-nav .btn-login-admin:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    color: #fff;
    transform: translateY(-2px);
}
.landing-nav .btn-portal-petani {
    background: #fff;
    color: var(--primary);
    border: none;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
.landing-nav .btn-portal-petani:hover {
    background: #f8f9fa;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.step-card {
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    padding: 32px 24px;
    border-radius: var(--radius-xl);
    border: 1px solid transparent;
    background: var(--primary)
}

/* semua teks di dalam card jadi putih */
.step-card,
.step-card h1,
.step-card h2,
.step-card h3,
.step-card h4,
.step-card p,
.step-card span,
.step-card li {
    color: #ffffff !important;
}

.step-card:hover {
    transform: translateY(-8px);
    background: var(--primary); 
    border-color: #81c784;
    box-shadow: 0 16px 32px rgba(45, 125, 70, 0.2);
}

.step-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #3c744a;
    color: #ffffff !important; /* angka putih */
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 16px;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.step-card:hover .step-icon {
    transform: scale(1.15) rotate(-5deg);
    background: #3c744a
    color: #ffffff !important;
    box-shadow: 0 8px 16px rgba(45, 125, 70, 0.3);
}

.landing-section {
    padding: 100px 40px;
    max-width: 1280px;
    margin: 0 auto;
}

.hero {
    display: flex; align-items: center; gap: 80px;
    padding: 120px 40px; max-width: 1280px; margin: 0 auto;
}
.hero-text { flex: 1; }
.hero-text h1 { font-size: 3.5rem; font-weight: 800; line-height: 1.1; color: var(--on-surface); margin-bottom: 24px; letter-spacing: -0.04em; }
.hero-text h1 .highlight { color: var(--primary); }
.hero-text p { font-size: 1.25rem; color: var(--on-surface-variant); margin-bottom: 40px; max-width: 540px; line-height: 1.6; }
.hero-text .hero-actions { display: flex; gap: 12px; }
.hero-image { flex: 1; }
.hero-image img { border-radius: var(--radius-xl); width: 100%; transition: transform 0.6s cubic-bezier(0.25, 0.8, 0.25, 1), box-shadow 0.6s ease; }
.hero-image img:hover { transform: scale(1.03); box-shadow: 0 20px 40px rgba(45, 125, 70, 0.2) !important; }
.hero-image-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: 28px;
    height: 520px;
    box-shadow: 0 32px 64px rgba(0,0,0,0.25);
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 8s ease;
}

.hero-image-wrapper:hover .hero-img {
    transform: scale(1.08);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(26, 92, 42, 0.92),
        rgba(26, 92, 42, 0.15)
    );
}

.hero-image-content {
    position: absolute;
    bottom: 32px;
    left: 32px;
    z-index: 2;
    color: white;
}

.hero-image-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.hero-image-content p {
    font-size: 0.95rem;
    opacity: 0.9;
    max-width: 320px;
    line-height: 1.6;
}

.hero-wrapper {
    position: relative;
    overflow: hidden;
    background: #f8faf8;
}

.hero-wrapper::before {
    content: "";
    position: absolute;

    top: 77%;
    left: 45%;

    width: 1100px;
    height: 1100px;

    transform: translate(-50%, -50%);

    background: url('/img/indonesia.svg') no-repeat center;
    background-size: contain;

    opacity: 0.06;

    pointer-events: none;
    z-index: 0;
}

.hero {
    position: relative;
    z-index: 2;
}

.stats-bar {
    background: linear-gradient(135deg, #1a5c2a 0%, #0d3b1a 100%);
    color: #fff;
    padding: 80px 40px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-top: 1px solid rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

.stats-bar::before {
    content: "";
    position: absolute;
    inset: 0;
    opacity: 0.12;
    background-image: radial-gradient(#fff 1.5px, transparent 1.5px);
    background-size: 40px 40px;
    pointer-events: none;
}

.stats-bar .stat-item { 
    position: relative;
    z-index: 1;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1); 
}

.stats-bar .stat-item:hover { 
    transform: translateY(-8px); 
}

.stats-bar .stat-item h3 { 
    font-size: 3rem; 
    font-weight: 800; 
    letter-spacing: -1px;
    margin-bottom: 8px;
    text-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.stats-bar .stat-item p { 
    font-size: 0.9375rem; 
    font-weight: 500;
    color: rgba(255,255,255,0.8); 
    text-transform: uppercase;
    letter-spacing: 1px;
}

.landing-footer {
    display: flex; justify-content: space-between; align-items: center;
    padding: 32px 40px; background: var(--primary); border-top: none;
}
.landing-footer .footer-brand { display: flex; align-items: center; gap: 8px; font-weight: 700; color: #fff; }
.landing-footer .footer-links { display: flex; gap: 24px; font-size: 0.8125rem; color: rgba(255,255,255,0.8); text-transform: uppercase; letter-spacing: 0.05em; }
.landing-footer .footer-links a { color: rgba(255,255,255,0.8); text-decoration: none; transition: color 0.3s ease; }
.landing-footer .footer-links a:hover { color: #fff; }

/* ===== Petani Portal Specifics ===== */
.welcome-banner {
    background: linear-gradient(135deg, var(--primary-container), var(--primary));
    color: #fff; padding: 24px 28px; border-radius: var(--radius-lg);
    margin-bottom: 24px; position: relative; overflow: hidden;
}
.welcome-banner h2 { font-size: 1.5rem; font-weight: 700; }
.welcome-banner .welcome-info { display: flex; gap: 24px; margin-top: 8px; font-size: 0.9375rem; opacity: 0.9; }

.stok-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.stok-card {
    background: var(--surface-container); border: 1px solid var(--outline-variant);
    border-radius: var(--radius-lg); padding: 16px; transition: box-shadow 0.2s;
}
.stok-card:hover { box-shadow: 0 4px 12px var(--shadow); }
.stok-card .stok-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.stok-card .stok-jumlah { font-size: 1.25rem; font-weight: 700; margin-bottom: 4px; }
.stok-card .stok-distribusi { color: var(--primary); font-size: 0.875rem; font-weight: 500; }

.ai-banner {
    background: linear-gradient(135deg, var(--primary-container), var(--primary));
    color: #fff; border-radius: var(--radius-xl); padding: 32px;
    display: flex; flex-direction: column; justify-content: space-between;
}
.ai-banner h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: 8px; }
.ai-banner p { font-size: 0.9375rem; opacity: 0.9; margin-bottom: 20px; }
.ai-banner .btn-ai {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 24px; background: var(--surface); color: var(--primary);
    border-radius: var(--radius-lg); font-weight: 600; border: none;
    align-self: flex-start; transition: transform 0.2s;
}
.ai-banner .btn-ai:hover { transform: translateY(-1px); }

/* ===== Responsive ===== */
@media (min-width: 1024px) {
    .login-illustration { display: block; }
    .login-form-panel { width: 50%; }
}
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    #menuToggle { display: flex !important; margin-right: 12px; }
    #topbarSearch { display: none !important; }
    .main-content { margin-left: 0 !important; }
    .topbar { padding: 0 16px; }
    .page-content { padding: 16px; }
    .stat-grid { grid-template-columns: 1fr; }
    .hero { flex-direction: column; padding: 40px 20px; }
    .stats-bar { grid-template-columns: repeat(2, 1fr); padding: 24px 20px; }
}
@media (max-width: 480px) {
    .stats-bar { grid-template-columns: 1fr; }
    .landing-nav { flex-direction: column; gap: 16px; padding: 16px; }
    .stok-cards { grid-template-columns: 1fr; }
}

/* Sidebar Logout Button */
.sidebar-logout-btn {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: #fff;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}
.sidebar-logout-btn:hover {
    background: var(--error);
    border-color: var(--error);
    color: #fff;
}

/* Legacy chat bubbles — kept for backward compat */
.chat-log-item { display: flex; flex-direction: column; gap: 12px; margin-bottom: 24px; padding-bottom: 24px; border-bottom: 1px solid var(--outline-variant); }
.chat-bubble-user { align-self: flex-start; background: var(--surface-container-high); padding: 12px 16px; border-radius: 4px 16px 16px 16px; color: var(--on-surface); font-size: 0.9375rem; max-width: 85%; position: relative; border: 1px solid var(--outline-variant); }
.chat-bubble-ai { align-self: flex-start; background: var(--primary); color: #fff; padding: 16px; border-radius: 16px 16px 16px 4px; font-size: 0.9375rem; max-width: 90%; box-shadow: 0 4px 12px rgba(9, 100, 48, 0.1); line-height: 1.6; }
.chat-meta { font-size: 0.75rem; color: var(--outline); margin-bottom: 6px; display: flex; justify-content: space-between; }
.ai-badge { display: inline-flex; align-items: center; gap: 4px; background: rgba(255,255,255,0.2); padding: 2px 8px; border-radius: 4px; font-size: 0.6875rem; text-transform: uppercase; font-weight: 700; }
/* ===== Custom Confirm Modal ===== */
.confirm-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.4);
    z-index: 10000; display: none; align-items: center; justify-content: center;
    backdrop-filter: blur(4px); animation: fadeIn 0.2s ease;
}
.confirm-box {
    background: var(--surface-container-high); border-radius: var(--radius-lg); padding: 24px;
    width: 90%; max-width: 400px; box-shadow: 0 20px 60px rgba(0,0,0,0.15);
    transform: scale(0.9); transition: transform 0.2s ease;
}
.confirm-overlay.show { display: flex; }
.confirm-overlay.show .confirm-box { transform: scale(1); }
.confirm-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.confirm-header .icon { 
    width: 40px; height: 40px; border-radius: 10px; background: var(--error-container); color: var(--error);
    display: flex; align-items: center; justify-content: center;
}
.confirm-title { font-size: 1.125rem; font-weight: 700; color: var(--on-surface); }
.confirm-body { color: var(--on-surface-variant); margin-bottom: 24px; line-height: 1.5; }
.confirm-footer { display: flex; justify-content: flex-end; gap: 12px; }

/* Dropdown */
.dropdown { position: relative; }
.dropdown-menu {
    position: absolute; right: 0; top: calc(100% + 8px);
    background: var(--surface); border: 1px solid var(--outline-variant);
    border-radius: var(--radius-lg); box-shadow: 0 10px 24px var(--shadow);
    width: 320px; max-height: 400px; overflow-y: auto; opacity: 0; visibility: hidden; transform: translateY(-10px);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1); z-index: 200;
}
.dropdown.active .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-header { 
    padding: 16px; font-weight: 700; font-size: 1rem; 
    border-bottom: 1px solid var(--outline-variant);
    background: var(--primary); color: #fff;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.dropdown-item {
    padding: 12px 16px; display: flex; align-items: flex-start; gap: 12px;
    border-bottom: 1px solid var(--outline-variant); transition: background 0.2s;
    font-size: 0.875rem; color: var(--on-surface); cursor: pointer;
}
.dropdown-item:last-child { border-bottom: none; }
.dropdown-item:hover { background: var(--surface-container-low); }
.notif-badge {
    position: absolute; top: -2px; right: -2px;
    background: var(--error); color: #fff; font-size: 0.65rem;
    font-weight: 700; width: 16px; height: 16px; display: flex;
    align-items: center; justify-content: center; border-radius: 50%;
}
/* Profile Pill Component */
.profile-pill {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 16px 6px 8px;
    background: var(--surface-container-low);
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    user-select: none;
}

.profile-pill:hover {
    background: var(--surface-container-high);
    border-color: var(--primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--shadow);
}

.profile-pill .pill-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    overflow: hidden;
    flex-shrink: 0;
    border: 2px solid var(--surface);
}

.profile-pill .pill-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-pill .pill-info {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.profile-pill .pill-name {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--on-surface);
    line-height: 1.2;
    max-width: 120px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.profile-pill .pill-role {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.8;
}

.profile-dropdown .dropdown-menu {
    width: 240px;
    padding: 8px;
    border-radius: var(--radius-xl);
}

.profile-dropdown .dropdown-item {
    border-radius: var(--radius-lg);
    border-bottom: none;
    margin-bottom: 2px;
    padding: 10px 14px;
    gap: 12px;
    font-weight: 500;
}

.profile-dropdown .dropdown-item:hover {
    background: var(--primary-container);
    color: var(--primary);
}

.profile-dropdown .dropdown-divider {
    height: 1px;
    background: var(--outline-variant);
    margin: 8px 0;
    opacity: 0.5;
}

.profile-dropdown .logout-item {
    color: var(--error);
}

.profile-dropdown .logout-item:hover {
    background: var(--error-container);
    color: var(--error);
}

.profile-dropdown .logout-item .material-symbols-outlined {
    color: var(--error);
}