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

:root {
    /* Color Tokens - Green Organic Palette */
    --primary-h: 142;
    --primary-s: 60%;
    --primary-l: 35%;
    
    --primary: hsl(var(--primary-h), var(--primary-s), var(--primary-l));
    --primary-light: hsl(var(--primary-h), var(--primary-s), 45%);
    --primary-dark: hsl(var(--primary-h), var(--primary-s), 22%);
    --primary-soft: hsl(var(--primary-h), var(--primary-s), 95%);
    
    --accent: hsl(38, 92%, 50%); /* Warm Honey */
    --accent-hover: hsl(38, 92%, 40%);
    --accent-soft: hsl(38, 92%, 96%);

    --success: hsl(142, 60%, 35%);
    --danger: hsl(0, 72%, 50%);
    --warning: hsl(45, 90%, 50%);

    /* Theme-specific tokens (Light Mode Default) */
    --bg-primary: hsl(140, 20%, 98%);
    --bg-secondary: hsl(0, 0%, 100%);
    --card-bg: hsl(0, 0%, 100%);
    --text-primary: hsl(140, 30%, 12%);
    --text-secondary: hsl(140, 10%, 40%);
    --border-color: hsl(140, 15%, 90%);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px -2px rgba(12, 42, 22, 0.08), 0 2px 6px -1px rgba(12, 42, 22, 0.04);
    --shadow-lg: 0 10px 25px -5px rgba(12, 42, 22, 0.12), 0 8px 16px -6px rgba(12, 42, 22, 0.06);
    --shadow-inset: inset 0 2px 4px 0 rgba(0, 0, 0, 0.02);

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode Overrides */
body.dark-mode {
    --bg-primary: hsl(140, 16%, 8%);
    --bg-secondary: hsl(140, 14%, 12%);
    --card-bg: hsl(140, 14%, 14%);
    --text-primary: hsl(140, 20%, 94%);
    --text-secondary: hsl(140, 8%, 65%);
    --border-color: hsl(140, 12%, 18%);
    --primary-soft: hsl(var(--primary-h), 20%, 15%);
    --accent-soft: hsl(38, 30%, 15%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px -2px rgba(0, 0, 0, 0.4), 0 2px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 12px 30px -5px rgba(0, 0, 0, 0.5), 0 8px 16px -6px rgba(0, 0, 0, 0.4);
}

/* Reset & Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.4s ease, color 0.4s ease, border-color 0.4s ease;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

/* Navigation Layout */
header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
    transition: background-color 0.4s ease, border-color 0.4s ease;
}

.nav-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0.8rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-leaf {
    color: var(--primary-light);
    display: inline-block;
    animation: leafBounce 2s ease-in-out infinite;
}

@keyframes leafBounce {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-4px) rotate(8deg); }
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-item {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 0.5rem 0.8rem;
    border-radius: var(--radius-sm);
}

.nav-item:hover, .nav-item.active {
    color: var(--primary);
    background-color: var(--primary-soft);
}

/* Theme Toggle & Controls */
.nav-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle-btn {
    background: none;
    border: 1px solid var(--border-color);
    padding: 0.5rem;
    border-radius: 50%;
    cursor: pointer;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    transition: var(--transition);
}

.theme-toggle-btn:hover {
    background-color: var(--border-color);
    color: var(--text-primary);
    transform: scale(1.05);
}

/* User Profile & Badge */
.user-menu {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    position: relative;
}

.role-badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.role-admin {
    background-color: hsl(210, 80%, 90%);
    color: hsl(210, 80%, 30%);
}
body.dark-mode .role-admin {
    background-color: hsl(210, 40%, 20%);
    color: hsl(210, 80%, 75%);
}

.role-vendedor {
    background-color: hsl(38, 90%, 90%);
    color: hsl(38, 90%, 30%);
}
body.dark-mode .role-vendedor {
    background-color: hsl(38, 40%, 20%);
    color: hsl(38, 90%, 75%);
}

.role-cliente {
    background-color: hsl(142, 70%, 90%);
    color: hsl(142, 70%, 25%);
}
body.dark-mode .role-cliente {
    background-color: hsl(142, 40%, 15%);
    color: hsl(142, 70%, 75%);
}

/* Main Content Area */
main {
    flex: 1;
    max-width: 1440px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.container {
    animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Typography & Headers */
h1, h2, h3, h4 {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

h1 { font-size: 2.2rem; line-height: 1.2; }
h2 { font-size: 1.6rem; }
h3 { font-size: 1.25rem; }

.text-muted {
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.7rem 1.4rem;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(20, 83, 45, 0.2);
}

.btn-accent {
    background-color: var(--accent);
    color: #ffffff;
}

.btn-accent:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(217, 119, 6, 0.25);
}

.btn-secondary {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--border-color);
}

.btn-danger {
    background-color: var(--danger);
    color: #ffffff;
}

.btn-danger:hover {
    background-color: hsl(0, 72%, 40%);
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
}

/* Cards (Glassmorphism & Sleek styling) */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

/* Forms & Inputs */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.4rem;
    color: var(--text-primary);
}

.form-input {
    width: 100%;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px hsl(var(--primary-h), var(--primary-s), 90%);
}

body.dark-mode .form-input:focus {
    box-shadow: 0 0 0 3px hsl(var(--primary-h), 20%, 20%);
}

/* Tables */
.table-container {
    width: 100%;
    overflow-x: auto;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    margin-bottom: 1.5rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th, td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: var(--primary-soft);
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

body.dark-mode th {
    color: var(--text-primary);
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background-color: var(--primary-soft);
}

/* Alerts & Notifications */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from { transform: translateY(-10px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.alert-success {
    background-color: hsl(142, 60%, 93%);
    color: hsl(142, 60%, 25%);
    border: 1px solid hsl(142, 60%, 85%);
}

body.dark-mode .alert-success {
    background-color: hsl(142, 40%, 12%);
    color: hsl(142, 60%, 75%);
    border-color: hsl(142, 40%, 18%);
}

.alert-danger {
    background-color: hsl(0, 72%, 95%);
    color: hsl(0, 72%, 35%);
    border: 1px solid hsl(0, 72%, 90%);
}

body.dark-mode .alert-danger {
    background-color: hsl(0, 40%, 12%);
    color: hsl(0, 72%, 75%);
    border-color: hsl(0, 40%, 18%);
}

/* Footer */
footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 1.5rem;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: background-color 0.4s ease, border-color 0.4s ease;
    margin-top: auto;
}

/* Shopping Cart UI specific styles */
.cart-floating-badge {
    background-color: var(--accent);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 700;
    min-width: 18px;
    height: 18px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 0.8rem;
    }
    .nav-links {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
        gap: 0.8rem;
    }
    main {
        padding: 1rem;
    }
    h1 {
        font-size: 1.8rem;
    }
}