/**
 * FlexBase - Reusable Components
 * Buttons, cards, forms, grid, header, footer, and utilities
 * Mobile-first with BEM naming convention
 */

/* ========================================
   Buttons (.btn)
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    line-height: var(--leading-normal);
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition:
        background-color var(--transition-fast),
        border-color var(--transition-fast),
        color var(--transition-fast),
        box-shadow var(--transition-fast),
        transform var(--transition-fast);
    user-select: none;
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn:active {
    transform: scale(0.98);
}

/* Button - Primary */
.btn--primary {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-primary-contrast);
}

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

/* Button - Secondary (Outline) */
.btn--secondary {
    background-color: transparent;
    border-color: var(--color-primary);
    color: var(--color-primary);
}

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

/* Button - Accent */
.btn--accent {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-accent-contrast);
}

.btn--accent:hover {
    background-color: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
}

/* Button - Ghost (No border) */
.btn--ghost {
    background-color: transparent;
    border-color: transparent;
    color: var(--color-primary);
}

.btn--ghost:hover {
    background-color: rgba(var(--color-primary-rgb), 0.1);
}

/* Button - Link (Looks like a link) */
.btn--link {
    background-color: transparent;
    border-color: transparent;
    color: var(--color-primary);
    padding-left: 0;
    padding-right: 0;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.btn--link:hover {
    color: var(--color-primary-dark);
    text-decoration: none;
}

/* Button - White (For dark backgrounds) */
.btn--white {
    background-color: var(--color-white);
    border-color: var(--color-white);
    color: var(--color-primary);
}

.btn--white:hover {
    background-color: var(--color-gray-100);
    border-color: var(--color-gray-100);
}

/* Button Sizes */
.btn--sm {
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--text-sm);
    border-radius: var(--radius-md);
}

.btn--lg {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--text-lg);
}

.btn--xl {
    padding: var(--spacing-5) var(--spacing-10);
    font-size: var(--text-xl);
}

/* Button Full Width */
.btn--full {
    width: 100%;
}

/* Button Icon */
.btn__icon {
    width: 1.25em;
    height: 1.25em;
    flex-shrink: 0;
}

.btn__icon--left {
    margin-right: var(--spacing-1);
}

.btn__icon--right {
    margin-left: var(--spacing-1);
}

/* Button Disabled State */
.btn:disabled,
.btn--disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Button Loading State */
.btn--loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn--loading::after {
    content: "";
    position: absolute;
    width: 1.25em;
    height: 1.25em;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: var(--radius-full);
    animation: btn-spinner 0.6s linear infinite;
}

.btn--primary.btn--loading::after,
.btn--accent.btn--loading::after {
    border-color: var(--color-white);
    border-right-color: transparent;
}

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

/* ========================================
   Cards (.card)
   ======================================== */

.card {
    position: relative;
    display: flex;
    flex-direction: column;
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition:
        box-shadow var(--transition-normal),
        transform var(--transition-normal);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

/* Card - Clickable */
.card--link {
    cursor: pointer;
}

.card--link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.card--link .card__link-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
}

/* Card - Featured */
.card--featured {
    border: 2px solid var(--color-primary);
}

/* Card - Horizontal */
@media (min-width: 640px) {
    .card--horizontal {
        flex-direction: row;
    }

    .card--horizontal .card__image {
        width: 40%;
        flex-shrink: 0;
    }

    .card--horizontal .card__image img {
        height: 100%;
    }
}

/* Card - Compact */
.card--compact .card__content {
    padding: var(--spacing-4);
}

/* Card Image */
.card__image {
    position: relative;
    overflow: hidden;
}

.card__image img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.card--link:hover .card__image img {
    transform: scale(1.05);
}

/* Card Badge */
.card__badge {
    position: absolute;
    top: var(--spacing-3);
    left: var(--spacing-3);
    z-index: 2;
}

/* Card Icon (for service cards) */
.card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3.5rem;
    height: 3.5rem;
    margin-bottom: var(--spacing-4);
    background-color: rgba(var(--color-primary-rgb), 0.1);
    border-radius: var(--radius-lg);
    color: var(--color-primary);
}

.card__icon svg {
    width: 1.75rem;
    height: 1.75rem;
}

/* Card Content */
.card__content {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    padding: var(--spacing-6);
}

.card__title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-2);
}

@media (min-width: 768px) {
    .card__title {
        font-size: var(--text-xl);
    }
}

.card__description {
    font-size: var(--text-base);
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
    flex-grow: 1;
}

/* Card Footer */
.card__footer {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding-top: var(--spacing-4);
    margin-top: auto;
    border-top: 1px solid var(--border-light);
}

/* Card - No Shadow Variant */
.card--flat {
    box-shadow: none;
    border: 1px solid var(--border-light);
}

.card--flat:hover {
    box-shadow: none;
    border-color: var(--border-default);
}

/* ========================================
   Forms (.form-*)
   ======================================== */

/* Form Group */
.form-group {
    margin-bottom: var(--spacing-5);
}

.form-group:last-child {
    margin-bottom: 0;
}

/* Form Group Inline */
@media (min-width: 640px) {
    .form-group--inline {
        display: flex;
        gap: var(--spacing-4);
    }

    .form-group--inline .form-group {
        flex: 1;
        margin-bottom: 0;
    }
}

/* Form Label */
.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-primary);
    margin-bottom: var(--spacing-2);
}

/* Form Required Indicator */
.form-required::after {
    content: " *";
    color: var(--color-error);
}

/* Form Input, Textarea, Select */
.form-input,
.form-textarea,
.form-select {
    display: block;
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--text-primary);
    background-color: var(--color-white);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    transition:
        border-color var(--transition-fast),
        box-shadow var(--transition-fast);
    appearance: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.15);
    outline: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

/* Form Textarea */
.form-textarea {
    min-height: 120px;
    resize: vertical;
}

/* Form Select */
.form-select {
    padding-right: var(--spacing-10);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-3) center;
    background-size: 1.25rem;
}

/* Form Checkbox & Radio */
.form-checkbox,
.form-radio {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    cursor: pointer;
}

.form-checkbox input,
.form-radio input {
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
    margin-top: 0.125rem;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.form-checkbox span,
.form-radio span {
    font-size: var(--text-base);
    color: var(--text-secondary);
}

/* Form Hint */
.form-hint {
    display: block;
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    margin-top: var(--spacing-1-5);
}

/* Form Error State */
.form-input--error,
.form-textarea--error,
.form-select--error {
    border-color: var(--color-error);
}

.form-input--error:focus,
.form-textarea--error:focus,
.form-select--error:focus {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(var(--color-error-rgb), 0.15);
}

.form-error {
    display: block;
    font-size: var(--text-sm);
    color: var(--color-error);
    margin-top: var(--spacing-1-5);
}

/* Form Success State */
.form-input--success,
.form-textarea--success,
.form-select--success {
    border-color: var(--color-success);
}

/* Form Disabled State */
.form-input:disabled,
.form-textarea:disabled,
.form-select:disabled {
    background-color: var(--bg-secondary);
    color: var(--text-muted);
    cursor: not-allowed;
}

/* Form Message (success/error feedback) */
.form-message {
    padding: var(--spacing-4);
    margin-bottom: var(--spacing-4);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
}

.form-message--success {
    background-color: rgba(var(--color-success-rgb), 0.1);
    color: var(--color-success-dark);
    border: 1px solid rgba(var(--color-success-rgb), 0.2);
}

.form-message--error {
    background-color: rgba(var(--color-error-rgb), 0.1);
    color: var(--color-error-dark);
    border: 1px solid rgba(var(--color-error-rgb), 0.2);
}

/* ========================================
   Grid System (.grid)
   ======================================== */

.grid {
    display: grid;
    gap: var(--content-gap);
}

/* Grid Columns */
.grid--1 {
    grid-template-columns: 1fr;
}

.grid--2 {
    grid-template-columns: 1fr;
}

.grid--3 {
    grid-template-columns: 1fr;
}

.grid--4 {
    grid-template-columns: 1fr;
}

/* Tablet (640px+) */
@media (min-width: 640px) {
    .grid--2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid--3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid--4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
    .grid--3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .grid--4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Grid Auto-Fit (Responsive) */
.grid--auto-fit {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid--auto-fit-sm {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Grid Gap Variants */
.grid--gap-sm {
    gap: var(--spacing-4);
}

.grid--gap-lg {
    gap: var(--spacing-10);
}

.grid--gap-xl {
    gap: var(--spacing-12);
}

/* ========================================
   Header / Navbar (.header, .navbar)
   ======================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    height: var(--header-height);
    background-color: var(--color-white);
    transition:
        height var(--transition-normal),
        box-shadow var(--transition-normal),
        background-color var(--transition-normal);
}

.header--scrolled {
    box-shadow: var(--shadow-md);
}

/* Navbar */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Navbar Logo */
.navbar__logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.navbar__logo img {
    height: 2.5rem;
    width: auto;
}

@media (min-width: 1024px) {
    .navbar__logo img {
        height: 3rem;
    }
}

/* Navbar Menu */
.navbar__menu {
    display: none;
    align-items: center;
    gap: var(--spacing-1);
}

@media (min-width: 768px) {
    .navbar__menu {
        display: flex;
    }
}

/* Navbar Link */
.navbar__link {
    display: block;
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition:
        color var(--transition-fast),
        background-color var(--transition-fast);
}

.navbar__link:hover,
.navbar__link--active {
    color: var(--color-primary);
    background-color: rgba(var(--color-primary-rgb), 0.05);
}

/* Navbar CTA */
.navbar__cta {
    margin-left: var(--spacing-4);
}

/* Navbar Toggle (Mobile) */
.navbar__toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.navbar__toggle:hover {
    background-color: var(--bg-secondary);
}

@media (min-width: 768px) {
    .navbar__toggle {
        display: none;
    }
}

.navbar__toggle-line {
    display: block;
    width: 1.5rem;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: var(--radius-full);
    transition:
        transform var(--transition-fast),
        opacity var(--transition-fast);
}

.navbar__toggle-line + .navbar__toggle-line {
    margin-top: 5px;
}

/* Toggle Active State */
.navbar__toggle--active .navbar__toggle-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.navbar__toggle--active .navbar__toggle-line:nth-child(2) {
    opacity: 0;
}

.navbar__toggle--active .navbar__toggle-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
.navbar__mobile-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-overlay);
    display: flex;
    flex-direction: column;
    padding: var(--spacing-6);
    background-color: var(--color-white);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    overflow-y: auto;
}

.navbar__mobile-menu--open {
    transform: translateX(0);
}

@media (min-width: 768px) {
    .navbar__mobile-menu {
        display: none;
    }
}

.navbar__mobile-link {
    display: block;
    padding: var(--spacing-4) 0;
    font-size: var(--text-lg);
    font-weight: var(--font-medium);
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-light);
}

.navbar__mobile-link:hover {
    color: var(--color-primary);
}

.navbar__mobile-cta {
    margin-top: var(--spacing-6);
}

/* ========================================
   Footer (.footer)
   ======================================== */

.footer {
    background-color: var(--bg-inverse);
    color: var(--color-gray-300);
    padding-top: var(--spacing-12);
    padding-bottom: var(--spacing-8);
}

@media (min-width: 768px) {
    .footer {
        padding-top: var(--spacing-16);
        padding-bottom: var(--spacing-10);
    }
}

/* Footer Content Grid */
.footer__grid {
    display: grid;
    gap: var(--spacing-10);
    margin-bottom: var(--spacing-10);
}

@media (min-width: 640px) {
    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer__grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: var(--spacing-8);
    }
}

/* Footer Brand */
.footer__brand {
    max-width: 320px;
}

.footer__logo {
    height: 2.5rem;
    width: auto;
    margin-bottom: var(--spacing-4);
    filter: brightness(0) invert(1);
}

.footer__description {
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    color: var(--color-gray-400);
}

/* Footer Column */
.footer__column {
    display: flex;
    flex-direction: column;
}

.footer__title {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--color-white);
    margin-bottom: var(--spacing-4);
}

/* Footer Links */
.footer__links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.footer__link {
    font-size: var(--text-sm);
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

.footer__link:hover {
    color: var(--color-white);
}

/* Footer Contact */
.footer__contact {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.footer__contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    font-size: var(--text-sm);
    color: var(--color-gray-400);
}

.footer__contact-item svg {
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

/* Footer Social */
.footer__social {
    display: flex;
    gap: var(--spacing-3);
    margin-top: var(--spacing-4);
}

.footer__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background-color: var(--color-gray-800);
    border-radius: var(--radius-lg);
    color: var(--color-gray-400);
    transition:
        background-color var(--transition-fast),
        color var(--transition-fast);
}

.footer__social-link:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.footer__social-link svg {
    width: 1.25rem;
    height: 1.25rem;
}

/* Footer Bottom */
.footer__bottom {
    padding-top: var(--spacing-8);
    border-top: 1px solid var(--color-gray-800);
    text-align: center;
}

.footer__copyright {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

/* ========================================
   WhatsApp Float (.whatsapp-float)
   ======================================== */

.whatsapp-float {
    position: fixed;
    bottom: var(--spacing-6);
    right: var(--spacing-6);
    z-index: var(--z-fixed);
}

.whatsapp-float__button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3.75rem;
    height: 3.75rem;
    background-color: #25d366;
    border: none;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    transition:
        transform var(--transition-fast),
        box-shadow var(--transition-fast);
    animation: whatsapp-pulse 2s ease-in-out infinite;
}

.whatsapp-float__button:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
    animation: none;
}

.whatsapp-float__button:focus-visible {
    outline: 2px solid var(--color-white);
    outline-offset: 2px;
}

.whatsapp-float__icon {
    width: 2rem;
    height: 2rem;
    fill: var(--color-white);
}

/* WhatsApp Pulse Animation */
@keyframes whatsapp-pulse {
    0%,
    100% {
        box-shadow:
            0 0 0 0 rgba(37, 211, 102, 0.4),
            var(--shadow-lg);
    }
    50% {
        box-shadow:
            0 0 0 12px rgba(37, 211, 102, 0),
            var(--shadow-lg);
    }
}

/* WhatsApp Tooltip */
.whatsapp-float__tooltip {
    position: absolute;
    right: calc(100% + var(--spacing-3));
    top: 50%;
    transform: translateY(-50%);
    padding: var(--spacing-2) var(--spacing-4);
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    font-size: var(--text-sm);
    color: var(--text-primary);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition:
        opacity var(--transition-fast),
        visibility var(--transition-fast);
}

.whatsapp-float__tooltip::after {
    content: "";
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: var(--color-white);
}

.whatsapp-float:hover .whatsapp-float__tooltip {
    opacity: 1;
    visibility: visible;
}

/* ========================================
   Badge (.badge)
   ======================================== */

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-1);
    padding: var(--spacing-1) var(--spacing-2-5);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    line-height: var(--leading-normal);
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.badge--primary {
    background-color: rgba(var(--color-primary-rgb), 0.1);
    color: var(--color-primary);
}

.badge--secondary {
    background-color: var(--color-gray-100);
    color: var(--color-gray-600);
}

.badge--success {
    background-color: rgba(34, 197, 94, 0.1);
    color: var(--color-success-dark);
}

.badge--warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--color-warning-dark);
}

.badge--error {
    background-color: rgba(var(--color-error-rgb), 0.1);
    color: var(--color-error-dark);
}

/* Badge Solid Variants */
.badge--primary-solid {
    background-color: var(--color-primary);
    color: var(--color-primary-contrast);
}

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

/* ========================================
   Icon (.icon)
   ======================================== */

.icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.icon svg {
    width: 100%;
    height: 100%;
}

.icon--sm {
    width: 1rem;
    height: 1rem;
}

.icon--md {
    width: 1.5rem;
    height: 1.5rem;
}

.icon--lg {
    width: 2rem;
    height: 2rem;
}

.icon--xl {
    width: 3rem;
    height: 3rem;
}

/* ========================================
   Divider (.divider)
   ======================================== */

.divider {
    display: flex;
    align-items: center;
    margin: var(--spacing-8) 0;
}

.divider::before,
.divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background-color: var(--border-light);
}

.divider--dark::before,
.divider--dark::after {
    background-color: var(--color-gray-700);
}

/* Divider with Text */
.divider__text {
    padding: 0 var(--spacing-4);
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    white-space: nowrap;
}

/* ========================================
   Overlay (.overlay)
   ======================================== */

.overlay {
    position: fixed;
    inset: 0;
    z-index: var(--z-overlay);
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition:
        opacity var(--transition-normal),
        visibility var(--transition-normal);
}

.overlay--visible {
    opacity: 1;
    visibility: visible;
}

/* ========================================
   Loader (.loader)
   ======================================== */

.loader {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    border: 3px solid var(--border-light);
    border-top-color: var(--color-primary);
    border-radius: var(--radius-full);
    animation: loader-spin 0.8s linear infinite;
}

.loader--sm {
    width: 1.25rem;
    height: 1.25rem;
    border-width: 2px;
}

.loader--lg {
    width: 3rem;
    height: 3rem;
    border-width: 4px;
}

.loader--white {
    border-color: rgba(255, 255, 255, 0.3);
    border-top-color: var(--color-white);
}

@keyframes loader-spin {
    to {
        transform: rotate(360deg);
    }
}

/* Loader Container (for centering) */
.loader-container {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-12);
}