/* ═══════════════════════════════════════════════════════════
   EcoClean — Modern Design System v2.0
   ═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
    --eco-primary:   #16a34a;
    --eco-primary-light: #22c55e;
    --eco-primary-dark:  #15803d;
    --eco-secondary: #0ea5e9;
    --eco-accent:    #f59e0b;
    --eco-danger:    #ef4444;
    --eco-purple:    #8b5cf6;

    --bg-base:       #f8fafc;
    --bg-card:       #ffffff;
    --bg-muted:      #f1f5f9;

    --text-primary:  #0f172a;
    --text-secondary:#475569;
    --text-muted:    #94a3b8;

    --border-color:  #e2e8f0;
    --border-radius: 14px;
    --border-radius-sm: 8px;
    --border-radius-lg: 20px;

    --shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --shadow-md:  0 4px 16px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.04);
    --shadow-lg:  0 10px 40px rgba(0,0,0,.12), 0 4px 12px rgba(0,0,0,.06);
    --shadow-xl:  0 20px 60px rgba(0,0,0,.15);

    --transition: all .2s cubic-bezier(.4,0,.2,1);
}

/* ── Base ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ── Typography ────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 { font-weight: 700; letter-spacing: -0.02em; }
.fw-semibold { font-weight: 600 !important; }

/* ── Navbar ────────────────────────────────────────────────── */
.navbar-eco {
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    padding: .75rem 0;
    position: sticky;
    top: 0;
    z-index: 1030;
    transition: var(--transition);
}

.navbar-eco .navbar-brand {
    font-weight: 800;
    font-size: 1.35rem;
    letter-spacing: -0.04em;
    color: var(--eco-primary) !important;
    display: flex;
    align-items: center;
    gap: .5rem;
}

.navbar-eco .navbar-brand .brand-icon {
    width: 34px;
    height: 34px;
    background: linear-gradient(135deg, var(--eco-primary), var(--eco-primary-light));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
    box-shadow: 0 2px 8px rgba(22,163,74,.35);
}

.navbar-eco .nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    font-size: .9rem;
    padding: .45rem .75rem !important;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    position: relative;
}

.navbar-eco .nav-link:hover {
    color: var(--eco-primary) !important;
    background: rgba(22,163,74,.07);
}

.navbar-eco .nav-link.active-nav {
    color: var(--eco-primary) !important;
    background: rgba(22,163,74,.1);
    font-weight: 600;
}

.navbar-eco .dropdown-menu {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: .5rem;
    margin-top: .5rem !important;
    animation: dropIn .15s ease;
}

@keyframes dropIn {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.navbar-eco .dropdown-item {
    border-radius: var(--border-radius-sm);
    padding: .55rem .85rem;
    font-size: .875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}

.navbar-eco .dropdown-item:hover {
    background: rgba(22,163,74,.08);
    color: var(--eco-primary);
}

.navbar-eco .dropdown-item i { width: 18px; }

.badge-premium {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    font-size: .65rem;
    font-weight: 700;
    padding: .2rem .5rem;
    border-radius: 20px;
    letter-spacing: .03em;
}

.badge-admin {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    font-size: .65rem;
    font-weight: 700;
    padding: .2rem .5rem;
    border-radius: 20px;
}

.user-chip {
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .35rem .75rem;
    background: var(--bg-muted);
    border-radius: 30px;
    font-size: .875rem;
    font-weight: 500;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-nav-login {
    background: linear-gradient(135deg, var(--eco-primary), var(--eco-primary-light));
    color: white !important;
    border: none;
    padding: .45rem 1.1rem !important;
    border-radius: 30px;
    font-weight: 600;
    font-size: .875rem;
    box-shadow: 0 2px 8px rgba(22,163,74,.3);
    transition: var(--transition);
}

.btn-nav-login:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(22,163,74,.4);
    background: linear-gradient(135deg, var(--eco-primary-dark), var(--eco-primary)) !important;
}

/* ── Cards ─────────────────────────────────────────────────── */
.card {
    border: 1px solid var(--border-color) !important;
    border-radius: var(--border-radius) !important;
    box-shadow: var(--shadow-sm);
    background: var(--bg-card);
    transition: var(--transition);
}

.card-glass {
    background: rgba(255,255,255,0.8) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg) !important;
}

.hover-lift-sm:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md) !important;
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
    font-weight: 600;
    font-size: .875rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    letter-spacing: .01em;
}

.btn-eco {
    background: linear-gradient(135deg, var(--eco-primary), var(--eco-primary-light));
    color: white;
    border: none;
    box-shadow: 0 2px 8px rgba(22,163,74,.3);
}

.btn-eco:hover {
    background: linear-gradient(135deg, var(--eco-primary-dark), var(--eco-primary));
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(22,163,74,.4);
}

.btn-eco-outline {
    background: transparent;
    color: var(--eco-primary);
    border: 1.5px solid var(--eco-primary);
}

.btn-eco-outline:hover {
    background: var(--eco-primary);
    color: white;
    transform: translateY(-1px);
}

.btn-premium {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    border: none;
    box-shadow: 0 2px 8px rgba(245,158,11,.3);
}

.btn-premium:hover {
    background: linear-gradient(135deg, #d97706, #b45309);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(245,158,11,.4);
}

/* ── Forms ─────────────────────────────────────────────────── */
.form-control, .form-select {
    border: 1.5px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: .6rem .9rem;
    font-size: .9rem;
    color: var(--text-primary);
    background: var(--bg-card);
    transition: var(--transition);
}

.form-control:focus, .form-select:focus {
    border-color: var(--eco-primary);
    box-shadow: 0 0 0 3px rgba(22,163,74,.12);
    outline: none;
}

.form-control::placeholder { color: var(--text-muted); }

.input-group-text {
    background: var(--bg-muted);
    border: 1.5px solid var(--border-color);
    color: var(--text-secondary);
}

.form-label {
    font-weight: 600;
    font-size: .85rem;
    color: var(--text-secondary);
    margin-bottom: .4rem;
}

/* ── Badges ────────────────────────────────────────────────── */
.badge {
    font-weight: 600;
    letter-spacing: .02em;
    border-radius: 6px;
}

/* ── Tables ────────────────────────────────────────────────── */
.table {
    --bs-table-bg: transparent;
    font-size: .875rem;
}

.table thead th {
    font-weight: 600;
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
    padding: .85rem 1rem;
    background: var(--bg-muted);
}

.table tbody td {
    padding: .85rem 1rem;
    border-bottom: 1px solid rgba(226,232,240,.6);
    vertical-align: middle;
    color: var(--text-primary);
}

.table-hover tbody tr:hover td {
    background: rgba(22,163,74,.03);
}

/* ── Stat Cards ────────────────────────────────────────────── */
.stat-card {
    border-radius: var(--border-radius) !important;
    border: 1px solid var(--border-color) !important;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md) !important;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

/* ── Progress ──────────────────────────────────────────────── */
.progress {
    background: rgba(0,0,0,.06);
    border-radius: 30px;
    overflow: hidden;
}

.progress-bar {
    border-radius: 30px;
    transition: width .6s cubic-bezier(.4,0,.2,1);
}

/* ── Alerts ────────────────────────────────────────────────── */
.alert {
    border: none;
    border-radius: var(--border-radius);
    font-size: .9rem;
    font-weight: 500;
}

.alert-success { background: rgba(22,163,74,.1); color: #15803d; }
.alert-danger  { background: rgba(239,68,68,.1);  color: #dc2626; }
.alert-warning { background: rgba(245,158,11,.1); color: #d97706; }
.alert-info    { background: rgba(14,165,233,.1); color: #0284c7; }

/* ── Pagination ────────────────────────────────────────────── */
.pagination .page-link {
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: var(--border-radius-sm) !important;
    margin: 0 2px;
    font-weight: 500;
    font-size: .875rem;
    transition: var(--transition);
}

.pagination .page-item.active .page-link {
    background: var(--eco-primary);
    border-color: var(--eco-primary);
    box-shadow: 0 2px 8px rgba(22,163,74,.3);
}

.pagination .page-link:hover {
    background: rgba(22,163,74,.08);
    color: var(--eco-primary);
    border-color: var(--eco-primary);
}

/* ── Hero Section ──────────────────────────────────────────── */
.hero-gradient {
    background: linear-gradient(135deg, #064e3b 0%, #065f46 30%, #047857 60%, #059669 100%);
    position: relative;
    overflow: hidden;
}

.hero-gradient::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: .15;
}

/* ── Feature Cards ─────────────────────────────────────────── */
.feature-card {
    border-radius: var(--border-radius-lg) !important;
    border: 1px solid var(--border-color) !important;
    transition: var(--transition);
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg) !important;
    border-color: rgba(22,163,74,.3) !important;
}

.feature-icon-wrap {
    width: 64px;
    height: 64px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin: 0 auto 1rem;
}

/* ── Chat ──────────────────────────────────────────────────── */
#chatMessages { scroll-behavior: smooth; }

.chat-bubble-user {
    background: linear-gradient(135deg, var(--eco-primary), var(--eco-primary-light));
    color: white;
    border-radius: 18px 18px 4px 18px;
    padding: .75rem 1rem;
    max-width: 80%;
    box-shadow: 0 2px 8px rgba(22,163,74,.25);
}

.chat-bubble-ai {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 18px 18px 18px 4px;
    padding: .75rem 1rem;
    max-width: 80%;
    box-shadow: var(--shadow-sm);
}

.chat-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: .9rem;
}

/* ── Typing dots ───────────────────────────────────────────── */
.typing-dot {
    width: 8px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 50%;
    animation: typingBounce .8s infinite;
}
.typing-dot:nth-child(2) { animation-delay: .15s; }
.typing-dot:nth-child(3) { animation-delay: .3s; }

@keyframes typingBounce {
    0%, 60%, 100% { transform: translateY(0); }
    30%           { transform: translateY(-8px); }
}

/* ── Recipe Cards ──────────────────────────────────────────── */
.recipe-card {
    border-radius: var(--border-radius-lg) !important;
    transition: var(--transition);
    overflow: hidden;
}

.recipe-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg) !important;
}

.recipe-thumb {
    height: 160px;
    background: linear-gradient(135deg, #f0fdf4, #bbf7d0);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    opacity: .5;
}

.macro-pill {
    border-radius: 8px;
    padding: .35rem .5rem;
    text-align: center;
}

/* ── Scroll bar ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── Animations ────────────────────────────────────────────── */
main { animation: pageIn .3s ease; }

@keyframes pageIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Utility ───────────────────────────────────────────────── */
.text-truncate-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.border-dashed { border-style: dashed !important; }

.rounded-eco { border-radius: var(--border-radius) !important; }
.rounded-eco-lg { border-radius: var(--border-radius-lg) !important; }

.bg-eco-subtle { background: rgba(22,163,74,.08) !important; }
.text-eco { color: var(--eco-primary) !important; }

/* Bootstrap subtle overrides */
.bg-success-subtle { background-color: rgba(34,197,94,.1) !important; }
.bg-warning-subtle { background-color: rgba(245,158,11,.1) !important; }
.bg-danger-subtle  { background-color: rgba(239,68,68,.1)  !important; }
.bg-info-subtle    { background-color: rgba(14,165,233,.1) !important; }
.bg-primary-subtle { background-color: rgba(59,130,246,.1) !important; }
.bg-purple-subtle  { background-color: rgba(139,92,246,.1) !important; }

/* ── Footer ────────────────────────────────────────────────── */
.footer-eco {
    background: linear-gradient(135deg, #0f172a, #1e293b);
    color: #94a3b8;
    padding: 3rem 0 1.5rem;
    margin-top: 5rem;
}

.footer-eco .footer-brand {
    font-size: 1.3rem;
    font-weight: 800;
    color: white;
    letter-spacing: -0.03em;
}

/* ── Accordion ─────────────────────────────────────────────── */
.accordion-button:not(.collapsed) {
    background: rgba(22,163,74,.06);
    color: var(--eco-primary);
    box-shadow: none;
}

.accordion-button:focus { box-shadow: none; }

/* ── Mobile ────────────────────────────────────────────────── */
@media (max-width: 576px) {
    .display-4 { font-size: 2rem; }
    .display-5 { font-size: 1.6rem; }
    .display-6 { font-size: 1.3rem; }
    .hero-gradient { padding: 3rem 0 !important; }
}

/* ── Plan cards ────────────────────────────────────────────── */
.plan-card {
    border-radius: var(--border-radius-lg) !important;
    transition: var(--transition);
    cursor: pointer;
}

.plan-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg) !important;
}

.plan-card.selected {
    border-color: var(--eco-accent) !important;
    background: linear-gradient(135deg, #fffbeb, #fef9c3) !important;
    box-shadow: 0 0 0 3px rgba(245,158,11,.2), var(--shadow-md) !important;
}

/* ── Drop zone ─────────────────────────────────────────────── */
.drop-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
    cursor: pointer;
}

.drop-zone:hover, .drop-zone.drag-over {
    border-color: var(--eco-primary);
    background: rgba(22,163,74,.04);
}

/* ── Section divider ───────────────────────────────────────── */
.section-title {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.05rem;
    font-weight: 400;
}

/* ── Gradient text ─────────────────────────────────────────── */
.gradient-text {
    background: linear-gradient(135deg, var(--eco-primary), var(--eco-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── Number counter ────────────────────────────────────────── */
[data-count] { font-variant-numeric: tabular-nums; }