/* ================================
   SEUP MANUAL – MODERNI UI
   ================================ */

/* 1. OSNOVNE POSTAVKE I VARIJABLE */
:root {
    --bg-body: #050816;
    --bg-elevated: #0f172a;
    --bg-elevated-soft: #020617;
    --accent: #22c55e;
    --accent-soft: rgba(34, 197, 94, 0.1);
    --accent-strong: #16a34a;
    --accent-danger: #ef4444;
    --accent-warning: #eab308;

    --text-main: #e5e7eb;
    --text-muted: #9ca3af;
    --text-strong: #f9fafb;

    --border-subtle: #1f2937;
    --shadow-soft: 0 18px 40px rgba(15, 23, 42, 0.7);
    --radius-lg: 16px;
    --radius-xl: 20px;

    --transition-fast: 0.15s ease-out;
    --transition-med: 0.25s ease-out;

    --container-width: 1200px;
    --nav-height: 64px;
}

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

html, body {
    margin: 0;
    padding: 0;
}

/* 2. BODY & LAYOUT */

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top, #1f2937 0, #020617 45%, #000 100%);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Utility container */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* 3. HEADER & NAVIGACIJA */

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(18px);
    background: linear-gradient(to bottom, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.6));
    border-bottom: 1px solid rgba(15, 23, 42, 0.9);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-height);
}

.site-title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--text-strong);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Mali “badge” da izgleda kao app */
.site-title::before {
    content: "SEUP";
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    padding: 0.25rem 0.55rem;
    border-radius: 999px;
    background: radial-gradient(circle at 0 0, #22c55e, #22c55e20 55%, transparent 80%);
    color: #bbf7d0;
    border: 1px solid rgba(34, 197, 94, 0.4);
}

/* NAV */

.main-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.main-nav a {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    text-decoration: none;
    color: var(--text-muted);
    border: 1px solid transparent;
    background: transparent;
    transition:
        background var(--transition-fast),
        color var(--transition-fast),
        border-color var(--transition-fast),
        transform var(--transition-fast);
}

.main-nav a::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: transparent;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.main-nav a:hover {
    color: var(--text-strong);
    background: rgba(15, 23, 42, 0.9);
    border-color: rgba(31, 41, 55, 0.9);
    transform: translateY(-1px);
}

.main-nav a:hover::before {
    background: var(--accent);
    transform: scale(1.2);
}

/* “Primarni” link – obično Admin ili Manual */
.main-nav a:last-child {
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #022c22;
    border-color: rgba(34, 197, 94, 0.9);
    box-shadow: 0 10px 30px rgba(34, 197, 94, 0.4);
    font-weight: 500;
}

.main-nav a:last-child:hover {
    transform: translateY(-1px) scale(1.01);
}

/* 4. GLAVNI SADRŽAJ */

.site-main {
    flex: 1;
    width: 100%;
    padding-top: 1.75rem;
    padding-bottom: 2.25rem;
}

/* Default tipografija stranice */
.site-main h1,
.site-main h2,
.site-main h3 {
    color: var(--text-strong);
    letter-spacing: 0.02em;
}

.site-main h2 {
    font-size: 1.6rem;
    margin: 0 0 0.85rem;
}

.site-main p {
    font-size: 0.97rem;
    line-height: 1.7;
    color: var(--text-main);
    margin: 0 0 0.9rem;
}

/* 5. KARTICE (možeš ih koristiti ako kasnije želiš ljepši layout) */

.card {
    background: radial-gradient(circle at top left, #0b1120, #020617 55%);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(31, 41, 55, 0.9);
    box-shadow: var(--shadow-soft);
    padding: 1.4rem 1.5rem;
    margin-bottom: 1.25rem;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: "";
    position: absolute;
    inset: -120px;
    background:
        radial-gradient(circle at 0 0, rgba(34, 197, 94, 0.03), transparent 60%),
        radial-gradient(circle at 100% 0, rgba(59, 130, 246, 0.04), transparent 55%);
    opacity: 0.9;
    pointer-events: none;
}

.card > * {
    position: relative;
    z-index: 1;
}

.card-title {
    font-size: 1.1rem;
    margin: 0 0 0.5rem;
    font-weight: 600;
}

.card-muted {
    font-size: 0.88rem;
    color: var(--text-muted);
}

/* Grid za više kartica */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.1rem;
}

/* 6. BUTTONI (korisno za admin kasnije) */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition:
        background var(--transition-med),
        border-color var(--transition-med),
        color var(--transition-med),
        transform var(--transition-fast),
        box-shadow var(--transition-fast);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #022c22;
    border-color: rgba(34, 197, 94, 0.9);
    box-shadow: 0 10px 25px rgba(34, 197, 94, 0.4);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 40px rgba(34, 197, 94, 0.55);
}

.btn-ghost {
    background: transparent;
    border-color: var(--border-subtle);
    color: var(--text-main);
}

.btn-ghost:hover {
    background: rgba(15, 23, 42, 0.9);
}

/* 7. TABLICE (za buduće liste obavijesti / verzija) */

.table-wrapper {
    width: 100%;
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(31, 41, 55, 0.9);
    background: #020617;
    box-shadow: 0 16px 34px rgba(15, 23, 42, 0.9);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

thead {
    background: radial-gradient(circle at top left, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.7));
}

th,
td {
    padding: 0.6rem 0.8rem;
    text-align: left;
    border-bottom: 1px solid rgba(31, 41, 55, 0.95);
}

th {
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.72rem;
    letter-spacing: 0.09em;
}

tbody tr:hover {
    background: rgba(15, 23, 42, 0.9);
}

/* 8. CODE BLOCKS (za primjer naredbi, SQL, itd.) */

code,
pre {
    font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

pre {
    background: #020617;
    border-radius: var(--radius-lg);
    padding: 0.9rem 1rem;
    border: 1px solid rgba(31, 41, 55, 0.9);
    font-size: 0.83rem;
    overflow-x: auto;
    margin: 0.75rem 0 1rem;
    position: relative;
}

pre::before {
    content: "code";
    position: absolute;
    top: 0.4rem;
    right: 0.7rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--text-muted);
}

/* Inline code */
p code {
    background: rgba(15, 23, 42, 0.9);
    padding: 0.15rem 0.35rem;
    border-radius: 0.35rem;
    border: 1px solid rgba(31, 41, 55, 0.9);
    font-size: 0.82em;
}

/* 9. ALERT / INFO BOXES */

.alert {
    padding: 0.75rem 0.9rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    background: rgba(15, 23, 42, 0.95);
}

.alert-info {
    border-color: rgba(59, 130, 246, 0.9);
    background: rgba(15, 23, 42, 0.96);
}

.alert-success {
    border-color: rgba(34, 197, 94, 0.9);
    background: rgba(22, 163, 74, 0.16);
}

.alert-warning {
    border-color: rgba(234, 179, 8, 0.9);
    background: rgba(234, 179, 8, 0.14);
}

.alert-danger {
    border-color: rgba(248, 113, 113, 0.9);
    background: rgba(127, 29, 29, 0.7);
}

/* 10. FOOTER */

.site-footer {
    border-top: 1px solid rgba(15, 23, 42, 0.95);
    background: radial-gradient(circle at top, #020617, #000);
    padding: 0.85rem 0;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: auto;
}

.site-footer .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

/* 11. POST ITEMS */

.post-item {
    background: radial-gradient(circle at top left, #0b1120, #020617 55%);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(31, 41, 55, 0.9);
    box-shadow: var(--shadow-soft);
    padding: 1.8rem 2rem;
    margin-bottom: 1.75rem;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.post-item::before {
    content: "";
    position: absolute;
    inset: -120px;
    background:
        radial-gradient(circle at 0 0, rgba(34, 197, 94, 0.03), transparent 60%),
        radial-gradient(circle at 100% 0, rgba(59, 130, 246, 0.04), transparent 55%);
    opacity: 0.9;
    pointer-events: none;
}

.post-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.9);
}

.post-item > * {
    position: relative;
    z-index: 1;
}

.post-item h3 {
    margin: 0 0 0.75rem;
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-strong);
    letter-spacing: 0.01em;
}

.post-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid rgba(31, 41, 55, 0.5);
}

.post-date {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.post-date::before {
    content: "📅";
    font-size: 0.9rem;
}

.post-content {
    font-size: 0.97rem;
    line-height: 1.7;
    color: var(--text-main);
}

.post-content p {
    margin-bottom: 1rem;
}

.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4,
.post-content h5,
.post-content h6 {
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-strong);
}

.post-content h1 {
    font-size: 1.8rem;
}

.post-content h2 {
    font-size: 1.5rem;
}

.post-content h3 {
    font-size: 1.25rem;
}

.post-content ul,
.post-content ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.post-content li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.post-content a {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition-fast);
}

.post-content a:hover {
    border-bottom-color: var(--accent);
}

.post-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    margin: 1rem 0;
}

.post-content blockquote {
    margin: 1rem 0;
    padding: 0.75rem 1rem;
    border-left: 3px solid var(--accent);
    background: rgba(15, 23, 42, 0.5);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    font-style: italic;
    color: var(--text-muted);
}

/* 12. RESPONSIVE */

@media (max-width: 768px) {
    .site-header .container {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        padding: 0.55rem 1.25rem 0.7rem;
        height: auto;
    }

    .main-nav {
        flex-wrap: wrap;
    }

    .site-main {
        padding-top: 1.2rem;
        padding-bottom: 1.8rem;
    }

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

    .site-footer .container {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .main-nav a {
        padding: 0.35rem 0.7rem;
        font-size: 0.8rem;
    }

    .site-title {
        font-size: 1.05rem;
    }
}

/* 13. HOME CONTENT STYLING */

.home-content {
    max-width: 900px;
    margin: 0 auto;
}

.home-content h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--accent), #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.01em;
    line-height: 1.3;
}

.intro-section {
    background: radial-gradient(circle at top left, #0b1120, #020617 55%);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(31, 41, 55, 0.9);
    padding: 2rem;
    margin-bottom: 2.5rem;
    position: relative;
    overflow: hidden;
}

.intro-section::before {
    content: "";
    position: absolute;
    inset: -120px;
    background:
        radial-gradient(circle at 0 0, rgba(34, 197, 94, 0.04), transparent 60%),
        radial-gradient(circle at 100% 100%, rgba(59, 130, 246, 0.05), transparent 55%);
    opacity: 0.9;
    pointer-events: none;
}

.intro-section > * {
    position: relative;
    z-index: 1;
}

.intro-section .lead {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-strong);
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.intro-section ul {
    margin-left: 1.5rem;
    margin-top: 1rem;
}

.intro-section li {
    margin-bottom: 0.6rem;
    line-height: 1.7;
    color: var(--text-main);
}

.content-section {
    margin-bottom: 2.5rem;
}

.content-section h2 {
    font-size: 1.6rem;
    margin-bottom: 1.2rem;
    color: var(--text-strong);
    font-weight: 600;
    letter-spacing: 0.01em;
    position: relative;
    padding-bottom: 0.5rem;
}

.content-section h2::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), transparent);
    border-radius: 999px;
}

.content-section p {
    font-size: 0.98rem;
    line-height: 1.75;
    margin-bottom: 1rem;
}

.content-section ul {
    margin-left: 1.5rem;
    margin-bottom: 1.2rem;
}

.content-section li {
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

.info-card {
    background: radial-gradient(circle at top left, rgba(15, 23, 42, 0.7), rgba(2, 6, 23, 0.4));
    border-radius: var(--radius-lg);
    border: 1px solid rgba(31, 41, 55, 0.7);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.info-card::before {
    content: "";
    position: absolute;
    inset: -80px;
    background: radial-gradient(circle at 10% 10%, rgba(34, 197, 94, 0.03), transparent 50%);
    opacity: 0.7;
    pointer-events: none;
}

.info-card:hover {
    transform: translateX(4px);
    border-color: rgba(34, 197, 94, 0.4);
}

.info-card > * {
    position: relative;
    z-index: 1;
}

.info-card h3 {
    font-size: 1.25rem;
    color: var(--accent);
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.info-card p {
    margin-bottom: 0.8rem;
}

.info-card ul {
    margin-left: 1.3rem;
    margin-top: 0.6rem;
}

.info-card li {
    margin-bottom: 0.4rem;
    font-size: 0.95rem;
}

.conclusion {
    background: radial-gradient(circle at top, rgba(34, 197, 94, 0.05), transparent 70%);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(34, 197, 94, 0.2);
    padding: 2rem;
    margin-top: 3rem;
}

.conclusion h2 {
    color: var(--accent);
}

.conclusion .highlight {
    background: rgba(34, 197, 94, 0.1);
    border-left: 3px solid var(--accent);
    padding: 0.75rem 1rem;
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    margin: 1.5rem 0;
    font-style: italic;
    color: var(--text-strong);
}

.conclusion .welcome-message {
    text-align: center;
    font-size: 1.2rem;
    margin-top: 2rem;
    color: var(--accent);
    letter-spacing: 0.02em;
}