:root {
    --bg: #f6f1ea;
    --bg-elevated: #efe7dd;
    --bg-card: #ffffff;
    --text: #3d3530;
    --text-muted: #7d7066;
    --accent: #c9a56a;
    --accent-hover: #b08c52;
    --border: #e3d8ca;
    --radius: 14px;
    --shadow: 0 18px 50px rgba(61, 53, 48, 0.10);
    --font-head: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
    --font-body: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    min-height: 100%;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--accent);
    text-decoration: none;
}

h1, h2, h3 {
    font-family: var(--font-head);
    font-weight: 500;
    margin: 0 0 0.5em;
    letter-spacing: 0.02em;
}

/* Login */
.login-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
    background: var(--bg);
    position: relative;
    overflow: hidden;
}

.login-bg-photo {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-size: cover;
    background-position: center;
    filter: saturate(90%) contrast(95%);
    transform: scale(1);
    animation: bgKenBurns 40s ease-in-out infinite alternate;
}

@keyframes bgKenBurns {
    0% { transform: scale(1) translate(0, 0); }
    100% { transform: scale(1.08) translate(-1%, -1%); }
}

.login-bg-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background:
        radial-gradient(ellipse at center, rgba(246, 241, 234, 0.15) 0%, rgba(246, 241, 234, 0.6) 50%, rgba(246, 241, 234, 0.9) 100%);
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow);
    text-align: center;
    position: relative;
    z-index: 2;
}

.logo {
    color: var(--accent);
    margin-bottom: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.login-card h1 {
    font-size: 1.8rem;
    margin-bottom: 0.2rem;
}

.login-card .accent {
    color: var(--accent);
}

.subtitle {
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.login-form label {
    display: block;
    text-align: left;
    margin-bottom: 0.4rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.login-form input[type="password"],
.login-form input[type="text"] {
    width: 100%;
    padding: 0.9rem 1rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    margin-bottom: 1rem;
}

.login-form input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(201, 165, 106, 0.25);
}

.error {
    color: #c0392b;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* Buttons */
.btn-primary,
.btn-outline,
.btn-upload-top {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.75rem 1.4rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    transition: transform 0.15s, background 0.2s, color 0.2s;
}

.btn-primary {
    background: var(--accent);
    color: var(--bg-card);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}

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

.btn-upload-top {
    background: var(--accent);
    color: var(--bg-card);
    padding: 0.55rem 1rem;
    border-radius: 8px;
}

.btn-upload-top:hover {
    background: var(--accent-hover);
}

.btn-full {
    width: 100%;
    padding: 0.95rem;
    font-size: 1rem;
    margin-top: 1.2rem;
}

/* Header */
.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--border);
    background: rgba(246, 241, 234, 0.92);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    color: var(--text);
    font-size: 0.95rem;
}

.brand svg {
    color: var(--accent);
}

.brand strong {
    font-weight: 600;
    color: var(--accent);
}

.top-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.top-nav .logout {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.top-nav .logout:hover {
    color: var(--text);
}

/* Main */
.gallery-main,
.upload-main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 2rem 4rem;
}

.intro {
    text-align: center;
    margin-bottom: 2.5rem;
}

.intro h1 {
    font-size: 2.4rem;
}

.intro p {
    color: var(--text-muted);
    font-size: 1rem;
    margin: 0;
}

/* Masonry Gallery */
.masonry {
    column-count: 1;
    column-gap: 1rem;
}

@media (min-width: 600px) {
    .masonry { column-count: 2; }
}

@media (min-width: 1024px) {
    .masonry { column-count: 3; }
}

@media (min-width: 1400px) {
    .masonry { column-count: 4; }
}

.masonry-item {
    break-inside: avoid;
    margin-bottom: 1rem;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border);
    cursor: zoom-in;
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.masonry-item:hover {
    transform: translateY(-6px) scale(1.03);
    box-shadow: 0 24px 60px rgba(61, 53, 48, 0.14);
    z-index: 5;
}

.masonry-item figure {
    margin: 0;
    line-height: 0;
    overflow: hidden;
    border-radius: var(--radius);
}

.masonry-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.masonry-item:hover img {
    transform: scale(1.18);
}

.delete-form {
    position: absolute;
    top: 8px;
    right: 8px;
    margin: 0;
    display: none;
}

.masonry-item:hover .delete-form,
.masonry-item:focus-within .delete-form {
    display: block;
}

.delete-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.95);
    color: #c0392b;
    font-size: 1.2rem;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.15s, background 0.2s, color 0.2s;
}

.delete-btn:hover {
    background: #c0392b;
    color: #fff;
    transform: scale(1.05);
}

.masonry-item {
    position: relative;
}

/* Login tabs */
.login-tabs {
    display: flex;
    gap: 0.4rem;
    background: var(--bg-elevated);
    border-radius: 10px;
    padding: 0.3rem;
    margin: 1.5rem 0 1rem;
}

.login-tab {
    flex: 1;
    padding: 0.55rem 0.4rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    background: transparent;
    text-align: center;
    transition: background 0.2s, color 0.2s;
}

.login-tab.active,
.login-tab:hover {
    background: var(--bg-card);
    color: var(--text);
}

.login-tab.active {
    box-shadow: 0 2px 8px rgba(61, 53, 48, 0.12);
}

.admin-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.6rem;
    background: rgba(201, 165, 106, 0.18);
    color: #8f6f3e;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 4rem 1rem;
    border: 2px dashed var(--border);
    border-radius: var(--radius);
}

.empty-state p {
    margin-bottom: 1.5rem;
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(246, 241, 234, 0.96);
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 92vw;
    max-height: 92vh;
    object-fit: contain;
    border-radius: 6px;
    box-shadow: 0 20px 60px rgba(61, 53, 48, 0.18);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--border);
    color: var(--text);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-size: 1.4rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, color 0.2s;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    background: var(--accent);
    color: var(--bg-card);
}

.lightbox-close { top: 1rem; right: 1rem; }
.lightbox-prev { left: 1rem; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 1rem; top: 50%; transform: translateY(-50%); }

/* Upload */
.upload-main h1 {
    font-size: 2rem;
    margin-bottom: 0.3rem;
}

.hint {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.notice {
    padding: 0.9rem 1.2rem;
    border-radius: 10px;
    margin-bottom: 1.2rem;
    font-size: 0.95rem;
}

.notice.success {
    background: rgba(106, 168, 79, 0.12);
    color: #4a7c36;
    border: 1px solid rgba(106, 168, 79, 0.25);
}

.notice.error {
    background: rgba(192, 57, 43, 0.08);
    color: #c0392b;
    border: 1px solid rgba(192, 57, 43, 0.2);
}

.upload-form {
    max-width: 700px;
}

.drop-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    background: var(--bg-card);
    transition: border-color 0.2s, background 0.2s;
    position: relative;
}

.drop-zone.dragover {
    border-color: var(--accent);
    background: rgba(201, 165, 106, 0.10);
}

.drop-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    cursor: pointer;
    color: var(--text);
}

.drop-label .big {
    font-weight: 600;
    font-size: 1.1rem;
}

.drop-label .small {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.preview-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    justify-content: center;
    margin-top: 1rem;
}

.preview-list img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid var(--border);
}

#submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

@media (max-width: 600px) {
    .site-header {
        padding: 0.8rem 1rem;
    }
    .brand span {
        display: none;
    }
    .gallery-main,
    .upload-main {
        padding: 1.2rem 1rem 3rem;
    }
    .intro h1 {
        font-size: 1.8rem;
    }
}