:root {
    --bg-color: #151518;
    --text-color: #ffffff;
    --placeholder-bg: #d9d9d9;
    --accent-blue: #0B00FF; /* Przybliżony odcień niebieskiego z designu */
    --border-color: rgba(255, 255, 255, 0.2);
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Space Mono', monospace;
    height: 100vh;
    overflow: hidden; /* Zachowanie statycznego ekranu zgodnie z makietą */
    box-sizing: border-box;
    transition: background-color 0.6s ease, color 0.6s ease, border-color 0.6s ease;
}

body.light-theme {
    --bg-color: #F5F5F5;
    --text-color: #151518;
    --border-color: rgba(21, 21, 24, 0.2);
}

.container {
    display: grid;
    grid-template-columns: 350px 1fr 350px; /* Sztywne szerokości boków dla trzymania proporcji */
    grid-template-rows: minmax(0, 1fr);
    height: 100vh;
    padding: 3rem 4rem;
    box-sizing: border-box;
    gap: 2rem;
}

/* --------------------------
   LEWA KOLUMNA (Logo + Formularz)
   -------------------------- */
.left-col {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 0;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    max-width: 100%;
    height: auto;
    width: 250px; /* Optymalny startowy rozmiar */
}

.contact-info {
    margin-top: 2.5rem;
    font-size: 0.95rem;
    opacity: 0.9;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.contact-info p {
    margin: 0;
}

.contact-form {
    width: 100%;
    max-width: 320px;
    margin-bottom: 2rem;
}

.contact-form h2 {
    font-size: 1.45rem;
    margin: 0 0 0.5rem 0;
    font-weight: 700;
}

.contact-form p {
    font-size: 0.9rem;
    margin: 0 0 2rem 0;
    opacity: 0.9;
}

.input-group {
    margin-bottom: 1.5rem;
}

.border-input {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--text-color);
    color: var(--text-color);
    font-family: inherit;
    font-size: 0.95rem;
    padding: 0.4rem 0;
    outline: none;
    transition: border-color 0.3s;
}

.border-input::placeholder {
    color: var(--text-color);
    opacity: 0.8;
}

.border-input:focus {
    border-bottom-color: var(--accent-blue);
}

.border-input.error {
    border-bottom-color: #FF4444 !important;
}

.border-input.error::placeholder {
    color: #FF4444;
    opacity: 1;
}

.submit-wrapper {
    display: flex;
    justify-content: flex-end;
    margin-top: -0.5rem;
}

.submit-btn {
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--text-color);
    color: var(--text-color);
    font-family: inherit;
    font-size: 0.95rem;
    cursor: pointer;
    padding: 0.4rem 2rem;
    transition: all 0.3s;
    margin-top: 10px;
}

.submit-btn:hover {
    border-bottom-color: var(--accent-blue);
    color: var(--accent-blue);
}

/* --------------------------
   ŚRODKOWA KOLUMNA (Obraz)
   -------------------------- */
.center-col {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 0;
}

.main-placeholder {
    width: 100%;
    max-width: 400px; /* Przybliżony proporcjonalny wymiar prostokąta */
    height: 60vh;
    background-color: var(--placeholder-bg);
    object-fit: cover; /* Wypełnianie kontenera bez niszczenia proporcji zdjęcia (przycięcie) */
}

/* --------------------------
   PRAWA KOLUMNA (Lista + Elementy)
   -------------------------- */
.right-col {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    min-height: 0;
}

.projects-list-wrapper {
    height: 100%;
    overflow: hidden;
    display: flex;
    align-items: flex-start;
    padding-left: 10px;
    margin-left: -9rem; /* Bardzo mocne zbliżenie do kolumny środkowej */
    padding-right: 2rem;
    width: 60%;
    mask-image: linear-gradient(to bottom, transparent, black 15%, black 85%, transparent);
    -webkit-mask-image: linear-gradient(to bottom, transparent, black 15%, black 85%, transparent);
}

.projects-list-track {
    display: flex;
    flex-direction: column;
    animation: scrollVertical 45s linear infinite; /* Wydłużono czas trwania animacji, aby ją znacznie zwolnić */
}

.projects-list-track:hover {
    animation-play-state: paused;
}

.carousel-group {
    display: flex;
    flex-direction: column;
}

.carousel-group a {
    color: var(--text-color);
    font-size: 0.85rem;
    line-height: 1.3;
    margin-bottom: 1.5rem;
    white-space: normal;
    text-decoration: none;
    transition: color 0.3s;
    display: block;
}

.carousel-group a:hover {
    color: var(--accent-blue);
}

@keyframes scrollVertical {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(-50%);
    }
}

.co-slychac-section {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.co-slychac-section h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 0 1rem 0;
    white-space: nowrap;
}

.social-icons {
    display: flex;
    gap: 20px;
}

.social-icon {
    color: var(--text-color);
    transition: color 0.3s, transform 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    text-decoration: none;
}

.social-icon:hover {
    color: var(--accent-blue);
    transform: translateY(-3px);
}

/* Responsywność dla zgrabnego układania się gdy okno nie jest pełnym pulpicem */
@media (max-width: 1100px) {
    body { overflow: auto; height: auto; }
    .container {
        grid-template-columns: 1fr;
        height: auto;
        padding: 2rem;
    }
    .center-col { order: -1; margin-bottom: 3rem; }
    .main-placeholder { height: 50vh; }
    .right-col { flex-direction: column; gap: 3rem; align-items: stretch; margin-top: 3rem; height: auto; }
    .projects-list-wrapper { display: none; }
    .co-slychac-section { align-items: center; }
}

/* =========================================
   PANEL ADMINISTRATORA (ADMIN BACK-OFFICE)
   ========================================= */
.admin-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    height: 100vh;
    width: 100%;
    margin: 0;
    padding: 0;
}

.admin-sidebar {
    border-right: 1px solid var(--border-color);
    padding: 3rem 2rem;
    display: flex;
    flex-direction: column;
}

.admin-nav {
    margin-top: 4rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.admin-nav a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s;
    display: flex;
    align-items: center;
    gap: 12px;
    opacity: 0.7;
}

.admin-nav a:hover, .admin-nav a.active {
    color: var(--accent-blue);
    opacity: 1;
}

.admin-content {
    padding: 3rem 4rem;
    overflow-y: auto;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
}

.admin-header h1 {
    margin: 0;
    font-size: 1.8rem;
}

.message-card {
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 0;
    display: grid;
    grid-template-columns: 350px 1fr 100px; /* Zdecydowane rozszerzenie miejsca na e-mail by uniknąć łamania linii w krótkich adresach */
    gap: 2rem;
    align-items: flex-start;
    transition: background-color 0.3s;
}

.message-card:hover {
    background-color: var(--border-color); /* subtle highlight */
}

.message-meta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    opacity: 0.8;
}

.message-meta strong {
    font-weight: 700;
    overflow-wrap: anywhere; /* Wymusza poprawne przełamanie ekstremalnie długiej nazwy tuż przed nachodzeniem na środek karty */
    word-break: break-all;
}

.message-content {
    font-size: 0.95rem;
    line-height: 1.5;
    opacity: 0.9;
}

.message-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

.message-btn {
    background: transparent;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    font-size: 1.2rem;
    transition: color 0.3s;
    opacity: 0.7;
}

.message-btn:hover {
    color: var(--accent-blue);
    opacity: 1;
}

.message-card.unread .message-content {
    font-weight: 700;
    opacity: 1;
}
.message-card.unread::before {
    content: '';
    position: absolute;
    width: 6px;
    height: 6px;
    background-color: var(--accent-blue);
    border-radius: 50%;
    margin-left: -15px;
    margin-top: 6px;
}

/* =========================================
   LOGIN SCREEN (login.php)
   ========================================= */
.login-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    flex-direction: column;
}

.login-box {
    width: 100%;
    max-width: 320px;
    border: 1px solid var(--border-color);
    padding: 3rem 2.5rem;
    background-color: transparent;
}

.login-box h2 {
    margin-top: 0;
    margin-bottom: 2rem;
    font-size: 1.5rem;
    text-align: center;
}

.error-msg {
    color: #FF4444;
    font-size: 0.85rem;
    text-align: center;
    margin-bottom: 1.5rem;
}

.login-back-btn {
    margin-top: 2rem; 
    color: var(--text-color); 
    text-decoration: none; 
    opacity: 0.6; 
    font-size: 0.85rem;
    transition: opacity 0.3s;
}
.login-back-btn:hover {
    opacity: 1;
}

/* =========================================
   CASE STUDY PAGES (portfolio/*.php)
   ========================================= */
.portfolio-body {
    overflow-y: auto;
    height: auto;
}

.portfolio-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 2rem 4rem;
    border-bottom: 1px solid var(--border-color);
}

.portfolio-nav a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.85rem;
    opacity: 0.6;
    transition: opacity 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.portfolio-nav a:hover { opacity: 1; }

.portfolio-layout {
    max-width: 900px;
    margin: 0 auto;
    padding: 4rem 2rem 8rem;
}

/* --- SEKCJA 1: HERO --- */
.cs-hero {
    margin-bottom: 5rem;
}

.cs-tag {
    font-size: 0.8rem;
    opacity: 0.5;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.cs-hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin: 0 0 1.5rem;
    line-height: 1.2;
}

.cs-hero p {
    font-size: 1.1rem;
    opacity: 0.7;
    max-width: 600px;
    line-height: 1.8;
}

/* --- SEKCJA 2: META STRIP --- */
.cs-meta {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 2rem 0;
    margin-bottom: 5rem;
}

.cs-meta-item label {
    display: block;
    font-size: 0.75rem;
    opacity: 0.45;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.cs-meta-item span {
    font-size: 0.95rem;
    font-weight: 700;
}

/* --- SEKCJA 3: GŁÓWNY OBRAZ --- */
.cs-main-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    background-color: var(--placeholder-bg);
    margin-bottom: 5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-size: 0.85rem;
    overflow: hidden;
}

.cs-main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* --- SEKCJA 4 & 5: WYZWANIE / ROZWIĄZANIE --- */
.cs-text-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 5rem;
}

.cs-text-section h2 {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
    opacity: 0.5;
}

.cs-text-section p {
    line-height: 1.9;
    opacity: 0.85;
    font-size: 0.95rem;
}

/* --- SEKCJA 6: GALERIA --- */
.cs-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 5rem;
}

.cs-gallery-item {
    aspect-ratio: 4 / 3;
    background-color: var(--placeholder-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-size: 0.75rem;
    overflow: hidden;
}

.cs-gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* --- SEKCJA 7: WYNIKI --- */
.cs-results {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    border-top: 1px solid var(--border-color);
    padding-top: 3rem;
    margin-bottom: 5rem;
}

.cs-result-item .number {
    font-size: 2.5rem;
    font-weight: 700;
    display: block;
    margin-bottom: 0.5rem;
}

.cs-result-item .desc {
    font-size: 0.85rem;
    opacity: 0.55;
    line-height: 1.5;
}

/* --- SEKCJA 8: NAWIGACJA MIĘDZY PROJEKTAMI --- */
.cs-footer-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 3rem;
}

.cs-footer-nav a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.9rem;
    opacity: 0.6;
    transition: opacity 0.3s;
    display: flex;
    align-items: center;
    gap: 10px;
}

.cs-footer-nav a:hover { opacity: 1; }

.cs-footer-nav .next-project {
    text-align: right;
}

.cs-footer-nav .next-project small {
    display: block;
    font-size: 0.75rem;
    opacity: 0.5;
    margin-bottom: 0.25rem;
}

@media (max-width: 768px) {
    .portfolio-nav { padding: 1.5rem; }
    .cs-meta { grid-template-columns: repeat(2, 1fr); }
    .cs-text-section { grid-template-columns: 1fr; gap: 2rem; }
    .cs-gallery { grid-template-columns: 1fr; }
    .cs-results { grid-template-columns: 1fr; }
    .cs-footer-nav { flex-direction: column; gap: 2rem; align-items: flex-start; }
}