/**
 * ZERO Theme — Additional Styles
 *
 * Complementary styles beyond the main stylesheet.
 * Uses same CSS custom properties as style.css
 *
 * @package ZERO
 */

/* ==========================================================================
   Form Elements
   ========================================================================== */

input[type="text"],
input[type="email"],
input[type="url"],
input[type="password"],
input[type="search"],
input[type="number"],
input[type="tel"],
textarea,
select {
    font-family: var(--zero-font);
    font-size: 0.9375rem;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--zero-border);
    border-radius: 6px;
    background: var(--zero-bg);
    color: var(--zero-text);
    transition: border-color var(--zero-duration) var(--zero-ease),
                box-shadow var(--zero-duration) var(--zero-ease);
    outline: none;
    width: 100%;
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--zero-accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

button,
input[type="submit"],
.wp-block-button__link {
    font-family: var(--zero-font);
    font-size: 0.875rem;
    font-weight: 600;
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: 6px;
    background: var(--zero-primary);
    color: #ffffff;
    cursor: pointer;
    transition: all var(--zero-duration) var(--zero-ease);
    display: inline-block;
    text-align: center;
}

button:hover,
input[type="submit"]:hover,
.wp-block-button__link:hover {
    background: var(--zero-accent);
    transform: translateY(-1px);
}

/* ==========================================================================
   WordPress Block Styles
   ========================================================================== */

.wp-block-group { margin-bottom: 2rem; }

.wp-block-image figcaption {
    font-size: 0.8125rem;
    color: var(--zero-text-light);
    text-align: center;
    margin-top: 0.5rem;
}

.wp-block-quote {
    border-left: 4px solid var(--zero-accent);
    padding-left: 1.5rem;
    margin: 1.5rem 0;
    font-style: italic;
    color: var(--zero-text-light);
}

.wp-block-quote cite {
    display: block;
    margin-top: 0.75rem;
    font-size: 0.8125rem;
    font-style: normal;
    color: var(--zero-text-muted);
}

.wp-block-code {
    background: var(--zero-bg-alt);
    padding: 1.5rem;
    border-radius: var(--zero-radius);
    font-family: var(--zero-mono);
    font-size: 0.875rem;
    overflow-x: auto;
}

.wp-block-table table { width: 100%; border-collapse: collapse; }

.wp-block-table td,
.wp-block-table th {
    padding: 0.75rem 1rem;
    border: 1px solid var(--zero-border);
    text-align: left;
}

.wp-block-table th {
    background: var(--zero-bg-alt);
    font-weight: 600;
}

.wp-block-separator {
    border: none;
    border-top: 1px solid var(--zero-border);
    margin: 2rem 0;
}

/* ==========================================================================
   Pagination
   ========================================================================== */

.nav-links {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    padding: 2rem 0;
}

.nav-links a,
.nav-links span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 0.75rem;
    border: 1px solid var(--zero-border);
    border-radius: 6px;
    font-size: 0.875rem;
    color: var(--zero-text);
    text-decoration: none;
    transition: all var(--zero-duration) var(--zero-ease);
}

.nav-links a:hover {
    background: var(--zero-primary);
    color: #ffffff;
    border-color: var(--zero-primary);
}

.nav-links .current {
    background: var(--zero-primary);
    color: #ffffff;
    border-color: var(--zero-primary);
}

/* ==========================================================================
   WordPress Menu Compatibility
   Forces horizontal layout regardless of what WP outputs.
   ========================================================================== */

/* Target ALL possible ul inside nav#zero-nav */
#zero-nav > ul,
#zero-nav > div > ul,
nav.zero-nav ul.menu,
nav.zero-nav ul.zero-menu,
.zero-nav > ul {
    list-style: none !important;
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: wrap;
    gap: 0.25rem;
    align-items: center;
    margin: 0 !important;
    padding: 0 !important;
}

#zero-nav li,
.zero-nav li {
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
}

#zero-nav a,
.zero-nav a {
    display: block;
    color: var(--zero-600) !important;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.5rem 0.875rem;
    border-radius: 6px;
    transition: all var(--zero-duration) var(--zero-ease);
    white-space: nowrap;
    text-decoration: none;
}

#zero-nav a:hover,
.zero-nav a:hover {
    color: var(--zero-900) !important;
    background: var(--zero-100);
}

#zero-nav .current-menu-item > a,
#zero-nav .current_page_item > a {
    color: var(--zero-accent) !important;
    background: rgba(59, 130, 246, 0.08);
    font-weight: 600;
}

/* Submenus */
#zero-nav .sub-menu,
.zero-nav .sub-menu {
    display: none !important;
    position: absolute;
    top: 100%;
    left: 0;
    flex-direction: column !important;
    background: #fff;
    border: 1px solid var(--zero-200);
    border-radius: var(--zero-radius);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    min-width: 200px;
    padding: 0.375rem !important;
    z-index: 999;
    margin-top: 4px !important;
}

#zero-nav li:hover > .sub-menu,
.zero-nav li:hover > .sub-menu {
    display: flex !important;
    animation: zeroFadeDown 0.15s var(--zero-ease);
}

/* ==========================================================================
   Mobile Menu Override
   ========================================================================== */

@media (max-width: 768px) {
    #zero-nav > ul,
    #zero-nav > div > ul,
    nav.zero-nav ul.menu,
    nav.zero-nav ul.zero-menu,
    .zero-nav > ul {
        flex-direction: column !important;
        gap: 0 !important;
        width: 100%;
    }

    #zero-nav a,
    .zero-nav a {
        padding: 0.75rem 1rem;
        font-size: 0.9375rem;
    }

    #zero-nav .sub-menu,
    .zero-nav .sub-menu {
        position: static !important;
        box-shadow: none !important;
        border: none !important;
        padding: 0 0 0 1rem !important;
        margin-top: 0 !important;
        min-width: auto !important;
    }

    #zero-nav li:hover > .sub-menu,
    .zero-nav li:hover > .sub-menu {
        animation: none !important;
    }
}

/* ==========================================================================
   Smooth transitions for component visibility
   ========================================================================== */

.zero-header,
.zero-footer,
.zero-sidebar,
.zero-entry__title,
.zero-post-nav,
.zero-comments,
.zero-entry__meta,
.zero-breadcrumbs,
.zero-entry__thumbnail {
    transition: opacity 0.3s var(--zero-ease);
}

/* ==========================================================================
   Accessibility
   ========================================================================== */

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

.screen-reader-text:focus {
    clip: auto !important;
    display: block;
    height: auto;
    left: 5px;
    top: 5px;
    width: auto;
    z-index: 100000;
    background: #ffffff;
    padding: 1rem;
    font-size: 0.875rem;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 2px solid var(--zero-accent);
    outline-offset: 2px;
}

/* ==========================================================================
   Full-Screen Horizon Minimal Front Page (Card-Free Concept)
   ========================================================================== */

.zero-horizon-frontpage {
    position: relative;
    min-height: calc(100vh - 160px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 1.5rem;
    overflow: hidden;
    background: #ffffff;
}

.zero-horizon-grid {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 1px 1px, #2563eb 2px, transparent 0),
        linear-gradient(to right, rgba(37, 99, 235, 0.12) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(37, 99, 235, 0.12) 1px, transparent 1px);
    background-size: 32px 32px;
    opacity: 0.85;
    pointer-events: none;
    z-index: 1;
}

.zero-horizon-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.12;
    pointer-events: none;
    animation: zeroHorizonDrift 24s ease-in-out infinite;
}

.zero-horizon-orb-1 {
    width: 600px;
    height: 600px;
    background: #3b82f6;
    top: -150px;
    left: -150px;
    animation-delay: 0s;
}

.zero-horizon-orb-2 {
    width: 500px;
    height: 500px;
    background: #60a5fa;
    bottom: -150px;
    right: -150px;
    animation-delay: -12s;
}

@keyframes zeroHorizonDrift {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(40px, -30px) scale(1.08); }
}

.zero-horizon-content {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 620px;
    margin: 0 auto;
    text-align: center;
}

.zero-horizon-spotlight {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.10) 0%, rgba(59, 130, 246, 0.04) 50%, transparent 80%);
    filter: blur(50px);
    pointer-events: none;
    z-index: -1;
}

.zero-horizon-logo-wrap {
    display: inline-block;
    margin-bottom: 2.2rem;
    text-decoration: none;
}

.zero-horizon-logo {
    max-width: 180px;
    height: auto;
    max-height: 100px;
    object-fit: contain;
    margin: 0 auto;
    display: block;
    filter: drop-shadow(0 8px 20px rgba(37, 99, 235, 0.20));
    transition: transform 0.3s var(--zero-ease);
}

.zero-horizon-logo-wrap:hover .zero-horizon-logo {
    transform: scale(1.06);
}

.zero-horizon-title {
    font-size: 2.75rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin: 0 0 1.75rem 0;
    line-height: 1.2;
}

.zero-horizon-title a {
    background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 60%, #2563eb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
    transition: opacity 0.25s ease;
}

.zero-horizon-title a:hover {
    opacity: 0.88;
}

.zero-horizon-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0.5rem 1.2rem;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.08);
    border: 1px solid rgba(37, 99, 235, 0.25);
    color: #1d4ed8;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.zero-horizon-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #2563eb;
    box-shadow: 0 0 10px rgba(37, 99, 235, 0.6);
    animation: zeroStatusPulse 2s ease-in-out infinite;
}

@keyframes zeroStatusPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.85); }
}