/**
 * PYCO RENEW Design System
 * E-Waste Management Platform
 * Version 2.0
 */

/* =====================================================
   CSS VARIABLES - COLOR PALETTE
   ===================================================== */
:root {
    /* Primary Brand Colors */
    --color-primary: #10B981;
    --color-primary-dark: #059669;
    --color-primary-light: #34D399;
    --color-primary-bg: #f0fdf4;
    
    /* Secondary Colors */
    --color-black: #000000;
    --color-dark: #1F2937;
    --color-gray-dark: #374151;
    --color-gray: #6B7280;
    --color-gray-light: #d1d5db;
    --color-gray-bg: #f9fafb;
    --color-white: #ffffff;
    
    /* Semantic Colors */
    --color-success: #10B981;
    --color-error: #ef4444;
    --color-warning: #f59e0b;
    --color-info: #3b82f6;
    
    /* Text Colors */
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --text-white: #ffffff;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    --shadow-primary: 0 10px 30px rgba(16, 185, 129, 0.3);
}

/* =====================================================
   RESET & BASE STYLES
   ===================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--color-gray-bg);
}

/* =====================================================
   TYPOGRAPHY
   ===================================================== */
.heading-1 {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--color-black);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.heading-2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-dark);
    line-height: 1.2;
}

.heading-3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-dark);
    line-height: 1.3;
}

.heading-4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-dark);
    line-height: 1.4;
}

.heading-5 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-dark);
}

.heading-6 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-dark);
}

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

.text-white {
    color: var(--text-white);
}

.text-primary {
    color: var(--color-primary);
}

.text-bold {
    font-weight: 700;
}

/* =====================================================
   PYCO RENEW LOGO
   ===================================================== */
.logo-pyco-renew {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 900;
    letter-spacing: -0.02em;
}

.logo-pyco {
    color: var(--color-black);
    font-size: 1.5rem;
}

.logo-dot {
    width: 10px;
    height: 10px;
    background: var(--color-primary);
    border-radius: 50%;
    display: inline-block;
}

.logo-renew {
    color: var(--color-primary);
    font-size: 1.5rem;
}

/* Logo Size Variations */
.logo-sm .logo-pyco,
.logo-sm .logo-renew {
    font-size: 1rem;
}

.logo-sm .logo-dot {
    width: 6px;
    height: 6px;
}

.logo-lg .logo-pyco,
.logo-lg .logo-renew {
    font-size: 2.5rem;
}

.logo-lg .logo-dot {
    width: 14px;
    height: 14px;
}

.logo-xl .logo-pyco,
.logo-xl .logo-renew {
    font-size: 3.5rem;
}

.logo-xl .logo-dot {
    width: 18px;
    height: 18px;
}

.logo-on-dark .logo-pyco,
.logo-on-dark .logo-renew {
    color: var(--color-white);
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(16, 185, 129, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-2px);
}

.btn-success {
    background: var(--color-success);
    color: white;
}

.btn-error {
    background: var(--color-error);
    color: white;
}

.btn-warning {
    background: var(--color-warning);
    color: white;
}

.btn-dark {
    background: var(--color-dark);
    color: white;
}

.btn-light {
    background: var(--color-gray-light);
    color: var(--color-dark);
}

/* Button Sizes */
.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-xl {
    padding: 1.25rem 2.5rem;
    font-size: 1.25rem;
}

.btn-full {
    width: 100%;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* =====================================================
   CARDS
   ===================================================== */
.card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-gray-light);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 0.5rem;
}

.card-subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.card-body {
    padding: var(--spacing-md) 0;
}

.card-footer {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--color-gray-light);
}

/* =====================================================
   FORMS
   ===================================================== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-dark);
}

.form-label.required::after {
    content: " *";
    color: var(--color-error);
}

.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--color-gray-light);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
    background: white;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-bg);
}

.form-control.error {
    border-color: var(--color-error);
}

.form-control.error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-control:disabled {
    background: var(--color-gray-bg);
    cursor: not-allowed;
}

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='%236B7280' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 3rem;
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

.form-help {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.form-error {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: var(--color-error);
}

/* =====================================================
   TABLES
   ===================================================== */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

.table thead {
    background: var(--color-gray-bg);
}

.table th {
    padding: 1rem;
    text-align: left;
    font-weight: 700;
    color: var(--color-dark);
    border-bottom: 2px solid var(--color-gray-light);
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid var(--color-gray-light);
}

.table tbody tr:hover {
    background: var(--color-gray-bg);
}

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

/* =====================================================
   BADGES & STATUS
   ===================================================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-success {
    background: var(--color-primary-bg);
    color: var(--color-primary-dark);
}

.badge-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-error);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--color-warning);
}

.badge-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-info);
}

.badge-gray {
    background: var(--color-gray-bg);
    color: var(--color-gray);
}

/* =====================================================
   ALERTS
   ===================================================== */
.alert {
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    border-left: 4px solid;
    margin-bottom: var(--spacing-lg);
}

.alert-success {
    background: var(--color-primary-bg);
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--color-error);
    color: var(--color-error);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-color: var(--color-warning);
    color: #92400e;
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--color-info);
    color: #1e40af;
}

/* =====================================================
   GRID & LAYOUT
   ===================================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing-lg);
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -0.75rem;
}

.col {
    flex: 1;
    padding: 0 0.75rem;
}

.col-2 { flex: 0 0 16.666%; max-width: 16.666%; }
.col-3 { flex: 0 0 25%; max-width: 25%; }
.col-4 { flex: 0 0 33.333%; max-width: 33.333%; }
.col-6 { flex: 0 0 50%; max-width: 50%; }
.col-8 { flex: 0 0 66.666%; max-width: 66.666%; }
.col-12 { flex: 0 0 100%; max-width: 100%; }

/* =====================================================
   UTILITIES
   ===================================================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }
.p-4 { padding: var(--spacing-xl); }

.d-flex { display: flex; }
.d-block { display: block; }
.d-none { display: none; }

.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.align-center { align-items: center; }

.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 768px) {
    .heading-1 { font-size: 2rem; }
    .heading-2 { font-size: 1.75rem; }
    .heading-3 { font-size: 1.5rem; }
    
    .col-2, .col-3, .col-4, .col-6, .col-8 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .btn {
        width: 100%;
    }
}

/* WIDE LAYOUT OVERRIDE */
.container {
    max-width: 1600px !important;
    width: 100% !important;
    margin: 0 auto !important;
    padding: 0 2rem !important;
}

.navbar-content {
    max-width: 1600px !important;
    width: 100% !important;
}

/* Make cards and tables use full width */
.card {
    width: 100% !important;
}

.table-container {
    width: 100% !important;
}