/**
 * Mining Boost Theme - Styles principaux
 *
 * Structure BEM : .block__element--modifier
 * Mobile-first approach
 *
 * @package MiningBoost
 */

/* ==========================================================================
   1. RESET & BASE
   ========================================================================== */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--mb-font, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--mb-text, #1f2937);
    background-color: var(--mb-bg, #f8fafc);
}

/* ==========================================================================
   2. TYPOGRAPHY
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    margin: 0 0 1rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--mb-text, #1f2937);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

@media (min-width: 768px) {
    h1 { font-size: 3rem; }
    h2 { font-size: 2.5rem; }
    h3 { font-size: 1.75rem; }
}

p {
    margin: 0 0 1rem;
}

a {
    color: var(--mb-primary, #8b5cf6);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--mb-primary-hover, #7c3aed);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ==========================================================================
   3. LAYOUT
   ========================================================================== */

.site {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-content {
    flex: 1;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.container--narrow {
    max-width: 800px;
}

.container--wide {
    max-width: 1400px;
}

/* ==========================================================================
   4. HEADER
   ========================================================================== */

.site-header {
    background: #ffffff;
    box-shadow: var(--mb-shadow);
    position: relative;
    z-index: 100;
}

.site-header--sticky {
    position: sticky;
    top: 0;
}

.site-header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem;
    max-width: 1400px;
    margin: 0 auto;
}

.site-header__logo {
    flex-shrink: 0;
}

.site-header__logo-img {
    height: 40px;
    width: auto;
}

.site-header__logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--mb-text);
    text-decoration: none;
}

.site-header__nav {
    display: none;
}

@media (min-width: 992px) {
    .site-header__nav {
        display: block;
        flex: 1;
    }
}

.site-header__menu {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-header__menu li {
    position: relative;
}

.site-header__menu a {
    display: block;
    padding: 0.5rem 0;
    color: var(--mb-text);
    font-weight: 500;
    transition: color 0.2s ease;
}

.site-header__menu a:hover,
.site-header__menu .current-menu-item > a {
    color: var(--mb-primary);
}

.site-header__actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.site-header__cart,
.site-header__account {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--mb-text);
    border-radius: 50%;
    transition: background-color 0.2s ease;
}

.site-header__cart:hover,
.site-header__account:hover {
    background-color: var(--mb-bg);
}

.site-header__cart {
    position: relative;
}

.site-header__cart-count {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 18px;
    height: 18px;
    padding: 0 4px;
    font-size: 0.75rem;
    font-weight: 700;
    color: #fff;
    background: var(--mb-primary);
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.site-header__cta {
    display: none;
}

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

.site-header__toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    background: none;
    border: none;
    color: var(--mb-text);
    cursor: pointer;
}

@media (min-width: 992px) {
    .site-header__toggle {
        display: none;
    }
}

.site-header__toggle-icon--close {
    display: none;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-icon {
    display: none;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-icon--close {
    display: block;
}

/* ==========================================================================
   5. FOOTER
   ========================================================================== */

.site-footer {
    background: #1f2937;
    color: #e5e7eb;
    margin-top: auto;
}

.site-footer__container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 3rem 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .site-footer__container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .site-footer__container {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.site-footer__logo {
    display: block;
    margin-bottom: 1rem;
}

.site-footer__logo img {
    height: 40px;
    width: auto;
    filter: brightness(0) invert(1);
}

.site-footer__description {
    color: #9ca3af;
    margin-bottom: 1.5rem;
}

.site-footer__social {
    display: flex;
    gap: 0.75rem;
}

.site-footer__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: #fff;
    transition: background-color 0.2s ease;
}

.site-footer__social-link:hover {
    background: var(--mb-primary);
}

.site-footer__title {
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 1rem;
}

.site-footer__menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-footer__menu li {
    margin-bottom: 0.5rem;
}

.site-footer__menu a {
    color: #9ca3af;
    transition: color 0.2s ease;
}

.site-footer__menu a:hover {
    color: #fff;
}

.site-footer__contact-item {
    display: block;
    color: #9ca3af;
    margin-bottom: 0.5rem;
}

.site-footer__contact-item:hover {
    color: #fff;
}

.site-footer__contact-item--address {
    font-style: normal;
    white-space: pre-line;
}

.site-footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.5rem 1rem;
    text-align: center;
}

.site-footer__copyright {
    color: #6b7280;
    font-size: 0.875rem;
}

/* ==========================================================================
   6. BUTTONS
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--mb-radius-sm, 8px);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn--primary {
    background: linear-gradient(135deg, var(--mb-gradient-start, #8b5cf6), var(--mb-gradient-end, #6d28d9));
    color: #fff;
    box-shadow: 0 4px 14px rgba(139, 92, 246, 0.3);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
    color: #fff;
}

.btn--secondary {
    background: transparent;
    color: var(--mb-primary);
    border: 2px solid var(--mb-primary);
}

.btn--secondary:hover {
    background: var(--mb-primary);
    color: #fff;
}

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

.btn--white:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
}

.btn--large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn--small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* ==========================================================================
   7. FORMS
   ========================================================================== */

input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
input[type="number"],
input[type="url"],
input[type="date"],
textarea,
select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-family: inherit;
    color: var(--mb-text);
    background: #fff;
    border: 2px solid var(--mb-border, #e5e7eb);
    border-radius: var(--mb-radius-sm, 8px);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--mb-primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--mb-text);
}

/* ==========================================================================
   8. PAGE CONTENT
   ========================================================================== */

.page-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--mb-border, #e5e7eb);
}

.page-header__title {
    margin-bottom: 0;
}

.entry-content {
    max-width: 800px;
}

.entry-content > *:last-child {
    margin-bottom: 0;
}

/* ==========================================================================
   9. POST CARDS
   ========================================================================== */

.posts-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .posts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .posts-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.post-card {
    background: #fff;
    border-radius: var(--mb-radius, 12px);
    overflow: hidden;
    box-shadow: var(--mb-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--mb-shadow-lg);
}

.post-card__thumbnail img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.post-card__content {
    padding: 1.5rem;
}

.post-card__title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.post-card__title a {
    color: var(--mb-text);
}

.post-card__title a:hover {
    color: var(--mb-primary);
}

.post-card__meta {
    font-size: 0.875rem;
    color: var(--mb-text-light, #6b7280);
    margin-bottom: 1rem;
}

.post-card__excerpt {
    color: var(--mb-text-light, #6b7280);
    margin-bottom: 1rem;
}

.post-card__link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--mb-primary);
}

/* ==========================================================================
   10. SINGLE POST
   ========================================================================== */

.single-post__header {
    margin-bottom: 2rem;
}

.single-post__title {
    margin-bottom: 1rem;
}

.single-post__meta {
    display: flex;
    gap: 1rem;
    color: var(--mb-text-light, #6b7280);
    font-size: 0.875rem;
}

.single-post__thumbnail {
    margin: 0 0 2rem;
    border-radius: var(--mb-radius, 12px);
    overflow: hidden;
}

.single-post__footer {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--mb-border, #e5e7eb);
}

.single-post__categories,
.single-post__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.single-post__category,
.single-post__tag {
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
    background: var(--mb-bg);
    border-radius: 20px;
    color: var(--mb-text);
}

/* ==========================================================================
   11. 404 PAGE
   ========================================================================== */

.error-404 {
    text-align: center;
    padding: 4rem 1rem;
}

.error-404__code {
    display: block;
    font-size: 8rem;
    font-weight: 800;
    color: var(--mb-primary);
    line-height: 1;
    opacity: 0.2;
}

.error-404__title {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.error-404__description {
    color: var(--mb-text-light, #6b7280);
    margin-bottom: 2rem;
}

.error-404__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

/* ==========================================================================
   12. UTILITIES
   ========================================================================== */

.screen-reader-text {
    clip: rect(1px, 1px, 1px, 1px);
    position: absolute !important;
    height: 1px;
    width: 1px;
    overflow: hidden;
}

.skip-link {
    background: var(--mb-primary);
    color: #fff;
    padding: 1rem;
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
}

.skip-link:focus {
    top: 0;
}

/* Text alignment */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Spacing */
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.pt-0 { padding-top: 0; }
.pb-0 { padding-bottom: 0; }