/* Tienda Online - Styles */
:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --text-main: #1f2937;
    --text-secondary: #374151;
    --text-muted: #6b7280;
    --bg-main: #f5f5f5;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --border-radius: 8px;
    --transition-fast: 0.15s ease;
}

*, *::before, *::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-main);
    background: var(--bg-main);
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--primary);
}

h1, h2, h3, h4, h5, h6 {
    margin: 0;
}

button {
    font-family: inherit;
}

.spinner-border {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    vertical-align: -0.125em;
    border: 0.25em solid currentcolor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spinner-border 0.75s linear infinite;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.2em;
}

@keyframes spinner-border {
    to { transform: rotate(360deg); }
}

/* Form elements */
.form-control {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.9375rem;
    color: var(--text-main);
    background-color: var(--bg-white);
    transition: border-color var(--transition-fast);
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-check-input {
    width: 1rem;
    height: 1rem;
    cursor: pointer;
}

.form-check-label {
    cursor: pointer;
    font-size: 0.875rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    border: none;
    transition: all var(--transition-fast);
    text-decoration: none;
    font-family: inherit;
}

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

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

.btn-primary:disabled {
    background: #93c5fd;
    cursor: not-allowed;
}

.btn-secondary {
    background: #f3f4f6;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

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

.w-100 { width: 100%; }
.mb-3 { margin-bottom: 1rem; }
.me-2 { margin-right: 0.5rem; }
.d-block { display: block; }

.text-danger { color: #dc2626; font-size: 0.8125rem; }
.text-muted { color: var(--text-muted); }

.validation-message {
    color: #dc2626;
    font-size: 0.8125rem;
    margin-top: 0.25rem;
}