/* 
 * Rice Mill MRP System
 * Main Stylesheet
 */

/* ========== Base Styles ========== */
:root {
    --primary-color: #1e3a8a;
    --secondary-color: #2563eb;
    --accent-color: #3b82f6;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --light-color: #f3f4f6;
    --dark-color: #111827;
    --text-color: #374151;
    --text-light: #6b7280;
    --border-color: #e5e7eb;
    --transaction-purchase: #10b981;
    --transaction-consumption: #ef4444;
    --transaction-production: #3b82f6;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --transition-speed: 0.2s;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #f9fafb;
    margin: 0;
    padding: 0;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* ========== Typography ========== */
h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: 0.75rem;
    font-weight: 600;
    line-height: 1.2;
    color: var(--dark-color);
}

h1 {
    font-size: 1.875rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 1.5rem;
}

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

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

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

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

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

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

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

/* ========== Header & Navigation ========== */
.main-header {
    background: #263C5C !important;
    color: white;
    padding: 1rem 0;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header .logo h1 {
    font-size: 1.5rem;
    margin: 0;
    color: white;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.main-nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    flex-wrap: wrap;
}

.main-nav li {
    margin-right: 0.5rem;
}

.main-nav a {
    color: rgba(255, 255, 255, 0.9);
    display: block;
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    transition: all var(--transition-speed);
    font-weight: 500;
}

.main-nav a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
}

.main-nav a.active {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
}

.main-nav i {
    margin-right: 0.5rem;
}

/* ========== Main Content ========== */
.main-content {
    min-height: calc(100vh - 200px);
    padding: 1.5rem 0 3rem;
}

/* Dashboard Stats */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    border-radius: 0.5rem;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    text-align: center;
    transition: transform var(--transition-speed);
    border-top: 4px solid var(--accent-color);
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-card h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.stat-card p {
    color: var(--text-light);
    margin: 0;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Cards */
.card {
    background-color: #fff;
    border-radius: 0.5rem;
    box-shadow: var(--card-shadow);
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.card-header {
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 1.5rem;
    background-color: rgba(249, 250, 251, 0.5);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark-color);
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    border-top: 1px solid var(--border-color);
    padding: 1.25rem 1.5rem;
    background-color: rgba(249, 250, 251, 0.5);
    display: flex;
    justify-content: flex-end;
}

/* ========== Buttons ========== */
.btn {
    display: inline-block;
    font-weight: 500;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    user-select: none;
    border: 1px solid transparent;
    padding: 0.5rem 1rem;
    font-size: 0.9375rem;
    line-height: 1.5;
    border-radius: 0.375rem;
    transition: all var(--transition-speed);
    cursor: pointer;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn i {
    margin-right: 0.25rem;
}

.btn-primary {
    color: #fff;
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

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

.btn-success {
    color: #fff;
    background-color: var(--success-color);
    border-color: var(--success-color);
}

.btn-success:hover {
    background-color: #0ea371;
    border-color: #0ea371;
}

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

.btn-danger:hover {
    background-color: #dc2626;
    border-color: #dc2626;
}

.btn-secondary {
    color: var(--text-color);
    background-color: #f3f4f6;
    border-color: #e5e7eb;
}

.btn-secondary:hover {
    background-color: #e5e7eb;
    border-color: #d1d5db;
}

.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
}

/* Button group styling */
.button-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

@media (max-width: 768px) {
    .button-group {
        margin-top: 1rem;
        justify-content: flex-start;
        width: 100%;
    }
    
    .button-group .btn {
        margin-bottom: 0.5rem;
    }
}

/* Margin utilities */
.ml-2, .me-2 {
    margin-right: 0.5rem;
}

.mb-3 {
    margin-bottom: 1rem;
}

.ml-2 {
    margin-left: 0.5rem;
}

.mb-3 {
    margin-bottom: 1rem;
}

/* ========== Tables ========== */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 0.375rem;
}

.table {
    width: 100%;
    margin-bottom: 0;
    color: var(--text-color);
    border-collapse: collapse;
    font-size: 0.9375rem;
}

.table th,
.table td {
    padding: 0.75rem 1rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--border-color);
}

.table thead th {
    background-color: rgba(249, 250, 251, 0.8);
    font-weight: 600;
    color: var(--dark-color);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

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

.table-hover tbody tr {
    transition: background-color var(--transition-speed);
}

.table-hover tbody tr:hover {
    background-color: rgba(243, 244, 246, 0.5);
}

/* Transaction Types */
.transaction-purchase {
    display: inline-block;
    color: white;
    background-color: var(--transaction-purchase);
    padding: 0.25rem 0.5rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.transaction-consumption {
    display: inline-block;
    color: white;
    background-color: var(--transaction-consumption);
    padding: 0.25rem 0.5rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.transaction-production {
    display: inline-block;
    color: white;
    background-color: var(--transaction-production);
    padding: 0.25rem 0.5rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.transaction-row-purchase {
    border-left: 3px solid var(--transaction-purchase);
}

.transaction-row-consumption {
    border-left: 3px solid var(--transaction-consumption);
}

.transaction-row-production {
    border-left: 3px solid var(--transaction-production);
}

/* ========== Forms ========== */
.form-group {
    margin-bottom: 1rem;
}

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

.form-control {
    display: block;
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text-color);
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
    color: var(--text-color);
    background-color: #fff;
    border-color: var(--accent-color);
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.25);
}

/* ========== Utilities ========== */
.row {
    display: flex;
    flex-wrap: wrap;
    margin-right: -15px;
    margin-left: -15px;
}

.col-md-4, .col-md-6 {
    position: relative;
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
}

@media (min-width: 768px) {
    .col-md-4 {
        flex: 0 0 33.333333%;
        max-width: 33.333333%;
    }
    
    .col-md-6 {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

.badge {
    display: inline-block;
    padding: 0.35em 0.65em;
    font-size: 0.75em;
    font-weight: 600;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: 999px;
}

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

.d-flex {
    display: flex;
}

.justify-content-between {
    justify-content: space-between;
}

.align-items-center {
    align-items: center;
}

.mb-3, .mb-4 {
    margin-bottom: 1.5rem;
}

/* ========== Footer ========== */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 1.5rem 0;
    text-align: center;
    margin-top: 3rem;
    font-size: 0.875rem;
}

footer a {
    color: var(--accent-color);
}

footer a:hover {
    color: white;
}

/* Responsive Improvements */
@media (max-width: 991px) {
    .main-header .container {
        flex-direction: column;
    }
    
    .main-header .logo {
        margin-bottom: 1rem;
    }
    
    .main-nav ul {
        justify-content: center;
    }
}

@media (max-width: 767px) {
    .card-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .card-header .btn {
        margin-top: 1rem;
        align-self: flex-start;
    }
}