/* ========================================
   Shopify Discount Manager - Estilos Principales
   ======================================== */

/* Variables CSS */
:root {
    --primary-color: #5c6ac4;
    --primary-dark: #4959bd;
    --success-color: #00a862;
    --danger-color: #de3618;
    --warning-color: #eec200;
    --info-color: #007ace;
    --gray-50: #fafbfb;
    --gray-100: #f4f6f8;
    --gray-200: #dfe3e8;
    --gray-300: #c4cdd5;
    --gray-400: #919eab;
    --gray-500: #637381;
    --gray-600: #454f5b;
    --gray-700: #212b36;
    --white: #ffffff;
    --border-radius: 6px;
    --box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --box-shadow-lg: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--gray-700);
    background-color: var(--gray-100);
}

/* Contenedor principal */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.container-fluid {
    width: 100%;
    padding: 20px;
}

/* Header */
.header {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 15px 0;
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    text-decoration: none;
}

/* Navegación */
.nav {
    display: flex;
    gap: 20px;
    align-items: center;
}

.nav a {
    color: var(--gray-600);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav a:hover {
    color: var(--primary-color);
}

.nav a.active {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 3px;
}

/* Selector de tienda */
.store-selector {
    position: relative;
}

.store-selector select {
    padding: 8px 35px 8px 12px;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    background: var(--white);
    font-size: 14px;
    cursor: pointer;
    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='%23637381' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
}

/* Cards */
.card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--box-shadow);
}

.card-header {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--gray-700);
}

.card-body {
    margin-top: 15px;
}

/* Botones */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--box-shadow-lg);
}

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

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

.btn-primary:hover {
    background: var(--primary-dark);
}

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

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

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-700);
}

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
}

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

/* Formularios */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--gray-700);
}

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 14px;
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(92, 106, 196, 0.1);
}

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

.form-error {
    color: var(--danger-color);
    font-size: 12px;
    margin-top: 5px;
}

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='%23637381' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 35px;
}

/* Tabla */
.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.table thead {
    background: var(--gray-50);
}

.table th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    color: var(--gray-600);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table td {
    padding: 12px;
    border-top: 1px solid var(--gray-200);
}

.table tbody tr:hover {
    background: var(--gray-50);
}

/* Badges/Indicadores */
.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.badge-success {
    background: #d4f4dd;
    color: var(--success-color);
}

.badge-danger {
    background: #fbeae5;
    color: var(--danger-color);
}

.badge-warning {
    background: #fef5e7;
    color: #946200;
}

/* Estados (emojis) */
.status-indicator {
    font-size: 20px;
    cursor: pointer;
}

.status-active {
    filter: hue-rotate(120deg);
}

.status-inactive {
    filter: grayscale(100%);
}

/* Alertas */
.alert {
    padding: 15px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
}

.alert-success {
    background: #d4f4dd;
    color: var(--success-color);
    border-left: 4px solid var(--success-color);
}

.alert-danger {
    background: #fbeae5;
    color: var(--danger-color);
    border-left: 4px solid var(--danger-color);
}

.alert-info {
    background: #e3f2fd;
    color: var(--info-color);
    border-left: 4px solid var(--info-color);
}

/* Loader/Spinner */
.loader {
    border: 3px solid var(--gray-200);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--white);
    padding: 30px;
    border-radius: var(--border-radius);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.modal-header {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
}

.modal-close {
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    color: var(--gray-400);
}

.modal-close:hover {
    color: var(--gray-700);
}

/* Grid */
.grid {
    display: grid;
    gap: 20px;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Utilidades */
.text-center {
    text-align: center;
}

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

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

.flex {
    display: flex;
}

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

.flex-center {
    justify-content: center;
    align-items: center;
}

.gap-10 {
    gap: 10px;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

    .header-content {
        flex-direction: column;
        gap: 15px;
    }

    .nav {
        flex-direction: column;
        width: 100%;
    }

    .table {
        font-size: 12px;
    }

    .table th,
    .table td {
        padding: 8px;
    }
}

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

.fade-in {
    animation: fadeIn 0.3s ease-in;
}