/**
 * Oryza Rice Sales Management System
 * Main Stylesheet with Sidebar Navigation
 */

/* ================================
   CSS Variables
   ================================ */
:root {
    --primary: #1e3a5f;
    --secondary: #2a9d8f;
    --accent: #d4af37;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    --dark: #1f2937;
    --gray: #6b7280;
    --gray-light: #d1d5db;
    --gray-lighter: #f3f4f6;
    --white: #ffffff;
    
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    
    --border-radius: 8px;
    --border-radius-sm: 4px;
    --border-radius-lg: 12px;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--gray-lighter);
    min-height: 100vh;
}

img {
    max-width: 100%;
    height: auto;
}

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

a:hover {
    text-decoration: underline;
}

/* ================================
   Main Content (No Header)
   ================================ */
.main-content {
    margin-left: 280px;
    padding: 2rem 2rem;
    min-height: 100vh;
    transition: margin-left 0.3s ease;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* ================================
   Typography
   ================================ */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.2;
    color: var(--dark);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-base); }
h6 { font-size: var(--font-size-sm); }

p {
    margin-bottom: 1rem;
}

/* ================================
   Cards
   ================================ */
.card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--gray-light);
    background: var(--gray-lighter);
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin: 0;
    color: var(--dark);
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1rem 1.5rem;
    background: var(--gray-lighter);
    border-top: 1px solid var(--gray-light);
}

/* ================================
   Stats Grid
   ================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary);
    transition: transform 0.2s;
}

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

.stat-card.success { border-left-color: var(--success); }
.stat-card.warning { border-left-color: var(--warning); }
.stat-card.danger { border-left-color: var(--danger); }
.stat-card.info { border-left-color: var(--info); }

.stat-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ================================
   Forms
   ================================ */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--dark);
}

.form-control,
.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 2px solid var(--gray-light);
    border-radius: var(--border-radius);
    transition: border-color 0.3s, box-shadow 0.3s;
    background: var(--white);
    color: var(--dark);
}

.form-control:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

.form-control:disabled,
.form-select:disabled {
    background-color: var(--gray-lighter);
    cursor: not-allowed;
    opacity: 0.6;
}

/* ================================
   Buttons
   ================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    text-decoration: none;
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #2a5080 100%);
    color: var(--white);
}

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

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

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

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

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

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
}

.btn-sm {
    padding: 0.5rem 0.75rem;
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
}

.btn-group {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* ================================
   Tables
   ================================ */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

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

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

.table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--dark);
    border-bottom: 2px solid var(--gray-light);
    white-space: nowrap;
}

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

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

/* Mobile Table Cards */
@media (max-width: 768px) {
    .table-mobile thead {
        display: none;
    }
    
    .table-mobile tbody tr {
        display: block;
        margin-bottom: 1rem;
        background: white;
        border-radius: var(--border-radius);
        box-shadow: var(--shadow);
        padding: 1rem;
        border: 1px solid var(--gray-light);
    }
    
    .table-mobile tbody td {
        display: grid;
        grid-template-columns: 110px 1fr;
        gap: 0.75rem;
        padding: 0.75rem 0;
        border: none;
    }
    
    .table-mobile tbody td:before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--gray);
    }
}

/* ================================
   Alerts
   ================================ */
.alert {
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-left: 4px solid;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border-left-color: var(--success);
}

.alert-danger,
.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border-left-color: var(--danger);
}

.alert-warning {
    background: #fef3c7;
    color: #92400e;
    border-left-color: var(--warning);
}

.alert-info {
    background: #dbeafe;
    color: #1e40af;
    border-left-color: var(--info);
}

/* ================================
   Badges
   ================================ */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary { background: var(--primary); color: var(--white); }
.badge-success { background: var(--success); color: var(--white); }
.badge-danger { background: var(--danger); color: var(--white); }
.badge-warning { background: var(--warning); color: var(--white); }
.badge-info { background: var(--info); color: var(--white); }
.badge-secondary { background: var(--gray); color: var(--white); }

/* ================================
   Utility Classes
   ================================ */
.d-flex { display: flex; }
.d-grid { display: grid; }
.d-block { display: block; }
.d-inline-block { display: inline-block; }
.d-none { display: none; }

.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }

.align-start { align-items: flex-start; }
.align-center { align-items: center; }
.align-end { align-items: flex-end; }

.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 1rem; }
.gap-4 { gap: 1.5rem; }

.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-gray { color: var(--gray); }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

.no-print { 
    @media print {
        display: none !important;
    }
}

/* ================================
   Mobile Responsive
   ================================ */
@media (max-width: 1024px) {
    .main-content {
        margin-left: 0;
        padding: 1.5rem 1rem;
        padding-bottom: 100px; /* Space for floating button */
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .btn {
        padding: 0.625rem 1rem;
        font-size: var(--font-size-sm);
    }
    
    .btn-group {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-group .btn {
        width: 100%;
    }
    
    h1 { font-size: var(--font-size-2xl); }
    h2 { font-size: var(--font-size-xl); }
    h3 { font-size: var(--font-size-lg); }
}

/* ================================
   Print Styles
   ================================ */
@media print {
    body {
        background: white;
    }
    
    .sidebar,
    .mobile-menu-btn,
    .no-print {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0;
        padding: 0;
    }
    
    .card {
        box-shadow: none;
        break-inside: avoid;
    }
}

/* ================================
   Login Page Specific Styles
   ================================ */

.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #1e3a5f 0%, #2a5080 50%, #1e3a5f 100%);
    padding: 1rem;
}

.login-container {
    width: 100%;
    max-width: 440px;
}

.login-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    padding: 2.5rem;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header .logo {
    margin-bottom: 1.5rem;
}

.login-header .logo img {
    width: 100px !important;
    height: 100px !important;
    max-width: 100px !important;
    max-height: 100px !important;
    object-fit: contain !important;
    display: block !important;
    margin: 0 auto;
}

.login-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.login-header .tagline {
    font-size: 1rem;
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--gray);
    font-size: 0.9375rem;
    margin-bottom: 0.5rem;
}

.login-form {
    margin-bottom: 1.5rem;
}

.login-form .form-group {
    margin-bottom: 1.5rem;
}

.login-form .form-control {
    padding: 0.875rem 1rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
    font-weight: 600;
}

.login-footer {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--gray-light);
}

.login-footer p {
    margin: 0.5rem 0;
    font-size: 0.875rem;
}

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

/* Login page mobile */
@media (max-width: 1024px) {
    .login-page .login-card {
        padding: 2rem 1.5rem;
    }
    
    .login-header .logo img {
        width: 80px !important;
        height: 80px !important;
        max-width: 80px !important;
        max-height: 80px !important;
    }
    
    .login-header h1 {
        font-size: 1.75rem;
    }
}