/**
 * Utility Classes for The Velora Application
 * Includes Bootstrap-like utilities and custom styling patterns
 */

/* ===== BOOTSTRAP GRID SYSTEM ===== */
.container {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: 15px;
    padding-right: 15px;
}

@media (min-width: 576px) {
    .container {
        max-width: 540px;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 720px;
    }
}

@media (min-width: 992px) {
    .container {
        max-width: 960px;
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin-left: -15px;
    margin-right: -15px;
}

.col-1, .col-2, .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-10, .col-11, .col-12 {
    flex-basis: 0;
    flex-grow: 1;
    max-width: 100%;
    padding-left: 15px;
    padding-right: 15px;
}

.col-12 { flex: 0 0 100%; max-width: 100%; }
.col-11 { flex: 0 0 91.66666667%; max-width: 91.66666667%; }
.col-10 { flex: 0 0 83.33333333%; max-width: 83.33333333%; }
.col-9 { flex: 0 0 75%; max-width: 75%; }
.col-8 { flex: 0 0 66.66666667%; max-width: 66.66666667%; }
.col-7 { flex: 0 0 58.33333333%; max-width: 58.33333333%; }
.col-6 { flex: 0 0 50%; max-width: 50%; }
.col-5 { flex: 0 0 41.66666667%; max-width: 41.66666667%; }
.col-4 { flex: 0 0 33.33333333%; max-width: 33.33333333%; }
.col-3 { flex: 0 0 25%; max-width: 25%; }
.col-2 { flex: 0 0 16.66666667%; max-width: 16.66666667%; }
.col-1 { flex: 0 0 8.33333333%; max-width: 8.33333333%; }

@media (min-width: 768px) {
    .col-md-1 { flex: 0 0 8.33333333%; max-width: 8.33333333%; }
    .col-md-2 { flex: 0 0 16.66666667%; max-width: 16.66666667%; }
    .col-md-3 { flex: 0 0 25%; max-width: 25%; }
    .col-md-4 { flex: 0 0 33.33333333%; max-width: 33.33333333%; }
    .col-md-5 { flex: 0 0 41.66666667%; max-width: 41.66666667%; }
    .col-md-6 { flex: 0 0 50%; max-width: 50%; }
    .col-md-7 { flex: 0 0 58.33333333%; max-width: 58.33333333%; }
    .col-md-8 { flex: 0 0 66.66666667%; max-width: 66.66666667%; }
    .col-md-9 { flex: 0 0 75%; max-width: 75%; }
    .col-md-10 { flex: 0 0 83.33333333%; max-width: 83.33333333%; }
    .col-md-11 { flex: 0 0 91.66666667%; max-width: 91.66666667%; }
    .col-md-12 { flex: 0 0 100%; max-width: 100%; }
}

@media (min-width: 992px) {
    .col-lg-1 { flex: 0 0 8.33333333%; max-width: 8.33333333%; }
    .col-lg-2 { flex: 0 0 16.66666667%; max-width: 16.66666667%; }
    .col-lg-3 { flex: 0 0 25%; max-width: 25%; }
    .col-lg-4 { flex: 0 0 33.33333333%; max-width: 33.33333333%; }
    .col-lg-5 { flex: 0 0 41.66666667%; max-width: 41.66666667%; }
    .col-lg-6 { flex: 0 0 50%; max-width: 50%; }
    .col-lg-7 { flex: 0 0 58.33333333%; max-width: 58.33333333%; }
    .col-lg-8 { flex: 0 0 66.66666667%; max-width: 66.66666667%; }
    .col-lg-9 { flex: 0 0 75%; max-width: 75%; }
    .col-lg-10 { flex: 0 0 83.33333333%; max-width: 83.33333333%; }
    .col-lg-11 { flex: 0 0 91.66666667%; max-width: 91.66666667%; }
    .col-lg-12 { flex: 0 0 100%; max-width: 100%; }
}

/* ===== BOOTSTRAP BUTTONS ===== */
.btn {
    display: inline-block;
    font-weight: 400;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    user-select: none;
    border: 1px solid transparent;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: 0.25rem;
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
    cursor: pointer;
    text-decoration: none;
}

.btn:hover {
    text-decoration: none;
}

.btn-primary {
    color: #fff;
    background-color: #007bff;
    border-color: #007bff;
}

.btn-primary:hover {
    color: #fff;
    background-color: #0056b3;
    border-color: #004085;
}

.btn-success {
    color: #fff;
    background-color: #28a745;
    border-color: #28a745;
}

.btn-success:hover {
    color: #fff;
    background-color: #218838;
    border-color: #1e7e34;
}

.btn-danger {
    color: #fff;
    background-color: #dc3545;
    border-color: #dc3545;
}

.btn-danger:hover {
    color: #fff;
    background-color: #c82333;
    border-color: #bd2130;
}

.btn-warning {
    color: #212529;
    background-color: #ffc107;
    border-color: #ffc107;
}

.btn-warning:hover {
    color: #212529;
    background-color: #e0a800;
    border-color: #d39e00;
}

.btn-info {
    color: #fff;
    background-color: #17a2b8;
    border-color: #17a2b8;
}

.btn-info:hover {
    color: #fff;
    background-color: #138496;
    border-color: #117a8b;
}

.btn-outline-primary {
    color: #007bff;
    border-color: #007bff;
    background-color: transparent;
}

.btn-outline-primary:hover {
    color: #fff;
    background-color: #007bff;
    border-color: #007bff;
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
    line-height: 1.5;
    border-radius: 0.2rem;
}

.btn-lg {
    padding: 0.5rem 1rem;
    font-size: 1.25rem;
    line-height: 1.5;
    border-radius: 0.3rem;
}

.btn-block, .w-100 {
    width: 100%;
}

/* ===== BOOTSTRAP FORM CONTROLS ===== */
.form-control {
    display: block;
    width: 100%;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
    color: #495057;
    background-color: #fff;
    border-color: #80bdff;
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.form-group {
    margin-bottom: 1rem;
}

.form-label {
    margin-bottom: 0.5rem;
    display: block;
    font-weight: 500;
}

/* ===== BOOTSTRAP ALERTS ===== */
.alert {
    position: relative;
    padding: 0.75rem 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: 0.25rem;
}

.alert-success {
    color: #155724;
    background-color: #d4edda;
    border-color: #c3e6cb;
}

.alert-success hr {
    border-top-color: #b1dfbb;
}

.alert-success .alert-link {
    color: #0c5460;
}

.alert-danger {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

.alert-danger hr {
    border-top-color: #f1b0b7;
}

.alert-danger .alert-link {
    color: #491217;
}

.alert-warning {
    color: #856404;
    background-color: #fff3cd;
    border-color: #ffeeba;
}

.alert-warning hr {
    border-top-color: #ffe69c;
}

.alert-warning .alert-link {
    color: #533f06;
}

.alert-info {
    color: #0c5460;
    background-color: #d1ecf1;
    border-color: #bee5eb;
}

.alert-info hr {
    border-top-color: #abdde5;
}

.alert-info .alert-link {
    color: #062c33;
}

.alert-link {
    font-weight: 700;
}

.alert-dismissible {
    padding-right: 4.25rem;
}

.alert-dismissible .close {
    position: absolute;
    top: 0;
    right: 0;
    padding: 0.75rem 1.25rem;
    color: inherit;
}

/* ===== BOOTSTRAP CARDS ===== */
.card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    word-wrap: break-word;
    background-color: #fff;
    background-clip: border-box;
    border: 1px solid rgba(0, 0, 0, 0.125);
    border-radius: 0.25rem;
}

.card-body {
    flex: 1 1 auto;
    min-height: 1px;
    padding: 1.25rem;
}

.card-title {
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.card-text {
    margin-bottom: 0;
}

.card-img, .card-img-top, .card-img-bottom {
    flex-shrink: 0;
    width: 100%;
}

.card-img, .card-img-top {
    border-top-left-radius: calc(0.25rem - 1px);
    border-top-right-radius: calc(0.25rem - 1px);
}

/* ===== FLEXBOX UTILITIES ===== */
.d-flex {
    display: flex;
}

.flex-wrap {
    flex-wrap: wrap;
}

.flex-column {
    flex-direction: column;
}

.justify-content-start {
    justify-content: flex-start;
}

.justify-content-end {
    justify-content: flex-end;
}

.justify-content-center {
    justify-content: center;
}

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

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

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

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

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

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

.gap-1 {
    gap: 0.25rem;
}

.gap-2 {
    gap: 0.5rem;
}

.gap-3 {
    gap: 1rem;
}

.gap-4 {
    gap: 1.5rem;
}

.gap-5 {
    gap: 3rem;
}

/* ===== SPACING UTILITIES (BOOTSTRAP) ===== */
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }

.mx-auto { margin-left: auto; margin-right: auto; }

.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }
.p-5 { padding: 3rem; }

.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-3 { padding-left: 1rem; padding-right: 1rem; }
.px-4 { padding-left: 1.5rem; padding-right: 1.5rem; }

.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 1rem; padding-bottom: 1rem; }
.py-4 { padding-top: 1.5rem; padding-bottom: 1.5rem; }

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

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

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

.text-muted {
    color: #6c757d;
}

.text-secondary {
    color: #6c757d;
}

.text-danger {
    color: #dc3545;
}

.text-success {
    color: #28a745;
}

.text-warning {
    color: #ffc107;
}

.text-info {
    color: #17a2b8;
}

/* ===== CARD & CONTAINER UTILITIES (Custom) ===== */
.card-shadow {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.card-rounded {
    border-radius: 8px;
}

.card-base {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

/* ===== BACKGROUND UTILITIES ===== */
.bg-primary {
    background: #228B22;
}

.bg-white {
    background: white;
}

.bg-light-gray {
    background: #f0f0f0;
}

.bg-light {
    background-color: #f8f9fa;
}

.bg-secondary {
    background-color: #6c757d;
}

/* ===== COLOR UTILITIES ===== */
.text-white {
    color: white;
}

.text-dark {
    color: #333;
}

.text-light {
    color: #666;
}

.text-primary {
    color: #228B22;
}

/* ===== TYPOGRAPHY UTILITIES ===== */
.font-weight-600 {
    font-weight: 600;
}

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

.font-size-12 {
    font-size: 12px;
}

.font-size-14 {
    font-size: 14px;
}

.font-size-18 {
    font-size: 18px;
}

.text-decoration-none {
    text-decoration: none;
}

.text-decoration-line-through {
    text-decoration: line-through;
}

.underline {
    text-decoration: underline;
}

/* ===== IMAGE UTILITIES ===== */
.img-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.img-hover-zoom {
    transition: transform 0.3s ease;
}

.img-hover-zoom:hover {
    transform: scale(1.05);
}

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

/* ===== BORDER UTILITIES ===== */
.border-bottom-light {
    border-bottom: 1px solid #eee;
}

.border-bottom {
    border-bottom: 1px solid #dee2e6;
}

.border-top {
    border-top: 1px solid #dee2e6;
}

.rounded {
    border-radius: 0.25rem;
}

.rounded-lg {
    border-radius: 0.5rem;
}

/* ===== POSITION UTILITIES ===== */
.position-relative {
    position: relative;
}

.position-absolute {
    position: absolute;
}

.position-fixed {
    position: fixed;
}

/* ===== DIMENSION UTILITIES ===== */
.height-250 {
    height: 250px;
}

.height-100 {
    height: 100%;
}

.width-100 {
    width: 100%;
}

.min-height-30 {
    min-height: 30px;
}

.w-100 {
    width: 100%;
}

.h-100 {
    height: 100%;
}

/* ===== LINK STYLING ===== */
.nav-link {
    display: block;
    padding: 15px 20px;
    border-bottom: 1px solid #eee;
    text-decoration: none;
    color: #333;
    transition: background-color 0.2s ease;
}

.nav-link:last-child {
    border-bottom: none;
}

.nav-link:hover {
    background-color: #f5f5f5;
}

.nav-link.active {
    color: #228B22;
    font-weight: 600;
    background-color: #f9f9f9;
}

.nav-link-danger {
    color: #ff4444;
}

/* ===== HEADER UTILITIES ===== */
.sidebar-header {
    background: #228B22;
    color: white;
    padding: 20px;
}

.sidebar-header h4 {
    margin: 0;
}

.sidebar-header p {
    margin: 5px 0 0;
    font-size: 12px;
}

/* ===== PRODUCT CARD UTILITIES ===== */
.product-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-image-container {
    position: relative;
    height: 250px;
    overflow: hidden;
    background: #f0f0f0;
}

.product-info {
    padding: 15px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-name {
    margin: 0 0 8px;
    font-size: 14px;
    font-weight: 600;
}

.product-name a {
    text-decoration: none;
    color: #333;
}

.product-description {
    font-size: 12px;
    color: #666;
    margin: 0;
    min-height: 30px;
}

.product-price {
    font-size: 18px;
    font-weight: 600;
    color: #228B22;
    margin: 10px 0;
}

.product-original-price {
    font-size: 12px;
    color: #999;
    text-decoration: line-through;
    display: block;
}

.product-discounted-price {
    color: #228B22;
}

/* ===== FORM UTILITIES ===== */
.form-hidden {
    display: none;
}

.is-invalid {
    border-color: #dc3545;
}

.invalid-feedback {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: #dc3545;
}

.valid-feedback {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: #28a745;
}

/* ===== SHADOW UTILITIES ===== */
.shadow {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.shadow-sm {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.shadow-lg {
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.175);
}

/* ===== DISPLAY UTILITIES ===== */
.d-block {
    display: block;
}

.d-inline {
    display: inline;
}

.d-inline-block {
    display: inline-block;
}

.d-none {
    display: none;
}

.d-grid {
    display: grid;
}

.grid-auto-fill {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
}

.overflow-hidden {
    overflow: hidden;
}

.overflow-auto {
    overflow: auto;
}

.close {
    float: right;
    font-size: 21px;
    font-weight: 700;
    line-height: 1;
    color: #000;
    text-shadow: 0 1px 0 #fff;
    opacity: 0.5;
    background-color: transparent;
    border: 0;
    padding: 0;
    cursor: pointer;
}

.close:hover {
    opacity: 0.75;
}

/* ===== RESPONSIVE UTILITIES ===== */
@media (max-width: 768px) {
    .grid-auto-fill {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 15px;
    }
    
    .product-image-container {
        height: 200px;
    }
    
    .col-md-6 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .col-lg-3, .col-lg-5, .col-lg-7, .col-lg-8, .col-lg-9 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

@media (max-width: 576px) {
    .grid-auto-fill {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .product-image-container {
        height: 150px;
    }
    
    .p-20 {
        padding: 10px;
    }
    
    .d-flex {
        gap: 10px;
    }
}