/* ═══════════════════════════════════════════════════════════════
   Anthony's Photo Website – Modern Grayscale CSS
   ═══════════════════════════════════════════════════════════════ */

/* ── Reset & Base ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --gray-0:   #ffffff;
    --gray-1:   #f5f5f5;
    --gray-2:   #e8e8e8;
    --gray-3:   #d0d0d0;
    --gray-4:   #b0b0b0;
    --gray-5:   #888888;
    --gray-6:   #555555;
    --gray-7:   #333333;
    --gray-8:   #1a1a1a;
    --gray-9:   #0d0d0d;
    --black:    #000000;
    --white:    #ffffff;

    --accent:         #444444;
    --accent-hover:   #222222;
    --accent-light:   #666666;

    --danger:         #c0392b;
    --danger-hover:   #96281b;
    --success:        #27ae60;
    --warning:        #e67e22;

    --font-sans: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'Courier New', Courier, monospace;

    --radius:     6px;
    --radius-lg:  12px;
    --shadow-sm:  0 1px 3px rgba(0,0,0,0.18);
    --shadow-md:  0 4px 12px rgba(0,0,0,0.18);
    --shadow-lg:  0 8px 28px rgba(0,0,0,0.22);

    --header-h:   70px;
    --content-w:  80%;
    --content-max: 1200px;
    --transition: 0.2s ease;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: var(--font-sans);
    background-color: var(--gray-1);
    color: var(--gray-7);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a { color: var(--gray-7); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--black); }

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

/* ── Layout Wrapper ────────────────────────────────────────────── */
main { flex: 1; padding: 2rem 0 3rem; }

.content-wrap {
    width: var(--content-w);
    max-width: var(--content-max);
    margin: 0 auto;
}

/* ── Site Header ───────────────────────────────────────────────── */
.site-header {
    background: var(--gray-9);
    color: var(--white);
    height: var(--header-h);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0,0,0,0.45);
}

.header-inner {
    width: var(--content-w);
    max-width: var(--content-max);
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.site-title a {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
    color: var(--white);
}

.title-anthony {
    font-size: 0.72rem;
    font-weight: 400;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--gray-4);
}

.title-photo {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--white);
}

/* ── Navigation ────────────────────────────────────────────────── */
.site-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-btn {
    display: inline-block;
    padding: 0.45rem 1.1rem;
    border: 1.5px solid var(--gray-5);
    border-radius: var(--radius);
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--gray-3);
    background: transparent;
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.nav-btn:hover,
.nav-btn.active {
    background: var(--gray-7);
    border-color: var(--gray-4);
    color: var(--white);
}

/* ── Hamburger Toggle (mobile) ─────────────────────────────────── */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: 1.5px solid var(--gray-5);
    border-radius: var(--radius);
    cursor: pointer;
    padding: 6px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--gray-3);
    border-radius: 2px;
    transition: transform 0.2s, opacity 0.2s;
}

/* ── Site Footer ───────────────────────────────────────────────── */
.site-footer {
    background: var(--gray-9);
    color: var(--gray-4);
    padding: 1.25rem 0;
    text-align: center;
    font-size: 0.82rem;
    letter-spacing: 0.04em;
    border-top: 1px solid var(--gray-7);
}

.footer-inner {
    width: var(--content-w);
    max-width: var(--content-max);
    margin: 0 auto;
}

/* ── Buttons ───────────────────────────────────────────────────── */
.btn {
    display: inline-block;
    padding: 0.55rem 1.4rem;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    cursor: pointer;
    border: 2px solid transparent;
    transition: background var(--transition), border-color var(--transition), color var(--transition);
    text-align: center;
}

.btn-primary {
    background: var(--gray-8);
    color: var(--white);
    border-color: var(--gray-8);
}
.btn-primary:hover { background: var(--black); border-color: var(--black); color: var(--white); }

.btn-secondary {
    background: var(--gray-2);
    color: var(--gray-7);
    border-color: var(--gray-3);
}
.btn-secondary:hover { background: var(--gray-3); color: var(--gray-8); }

.btn-danger {
    background: var(--danger);
    color: var(--white);
    border-color: var(--danger);
}
.btn-danger:hover { background: var(--danger-hover); border-color: var(--danger-hover); color: var(--white); }

.btn-sm {
    padding: 0.35rem 0.85rem;
    font-size: 0.8rem;
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

/* ── Alerts ────────────────────────────────────────────────────── */
.alert {
    padding: 0.85rem 1.2rem;
    border-radius: var(--radius);
    margin-bottom: 1.25rem;
    font-size: 0.92rem;
    border-left: 4px solid transparent;
}

.alert-success {
    background: #eafaf1;
    color: #1e8449;
    border-color: var(--success);
}

.alert-error {
    background: #fdedec;
    color: #922b21;
    border-color: var(--danger);
}

.alert-warn {
    background: #fef9e7;
    color: #9a6109;
    border-color: var(--warning);
}

.alert-info {
    background: var(--gray-2);
    color: var(--gray-7);
    border-color: var(--gray-4);
}

/* ── Forms ─────────────────────────────────────────────────────── */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--gray-6);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.form-control {
    width: 100%;
    padding: 0.65rem 0.9rem;
    border: 1.5px solid var(--gray-3);
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-family: var(--font-sans);
    background: var(--white);
    color: var(--gray-8);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--gray-6);
    box-shadow: 0 0 0 3px rgba(80,80,80,0.12);
}

textarea.form-control { resize: vertical; min-height: 100px; }

/* ── Auth Box ──────────────────────────────────────────────────── */
.auth-box {
    max-width: 420px;
    margin: 3rem auto;
    background: var(--white);
    border: 1.5px solid var(--gray-2);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow-md);
}

.auth-box h2 {
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    color: var(--gray-8);
    text-align: center;
    letter-spacing: 0.04em;
}

/* ── Page Headings ─────────────────────────────────────────────── */
.page-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--gray-8);
    margin-bottom: 0.35rem;
    letter-spacing: 0.02em;
}

.page-subtitle {
    font-size: 1rem;
    color: var(--gray-5);
    margin-bottom: 2rem;
}

.section-divider {
    border: none;
    border-top: 1.5px solid var(--gray-2);
    margin: 2rem 0;
}

/* ── Upload Card ───────────────────────────────────────────────── */
.upload-card {
    background: var(--white);
    border: 1.5px solid var(--gray-2);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow-sm);
    max-width: 620px;
    margin: 0 auto;
}

.file-drop-zone {
    border: 2px dashed var(--gray-3);
    border-radius: var(--radius);
    padding: 2.5rem 1rem;
    text-align: center;
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition);
    margin-bottom: 1.25rem;
    position: relative;
}

.file-drop-zone:hover,
.file-drop-zone.drag-over {
    border-color: var(--gray-6);
    background: var(--gray-1);
}

.file-drop-zone input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
}

.file-drop-zone .drop-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--gray-4);
}

.file-drop-zone p {
    color: var(--gray-5);
    font-size: 0.92rem;
}

.file-drop-zone .file-name {
    font-weight: 600;
    color: var(--gray-7);
    margin-top: 0.5rem;
}

/* ── Gallery Grid ──────────────────────────────────────────────── */
.gallery-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.75rem;
    flex-wrap: wrap;
}

.gallery-controls .sort-label {
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--gray-5);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.sort-btn {
    padding: 0.4rem 1rem;
    border: 1.5px solid var(--gray-3);
    border-radius: var(--radius);
    background: var(--white);
    color: var(--gray-6);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background var(--transition), border-color var(--transition), color var(--transition);
    letter-spacing: 0.04em;
}

.sort-btn:hover,
.sort-btn.active {
    background: var(--gray-8);
    border-color: var(--gray-8);
    color: var(--white);
}

.gallery-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.gallery-item {
    flex: 0 0 auto;
    width: 130px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.gallery-item a {
    display: block;
    transition: opacity var(--transition), transform var(--transition);
}

.gallery-item a:hover {
    opacity: 0.85;
    transform: scale(1.04);
}

.gallery-item img {
    width: 102px;
    height: 102px;
    object-fit: cover;
    border: 1px solid var(--black);
    border-radius: 2px;
    box-shadow: var(--shadow-sm);
    display: block;
}

.gallery-item .photo-name {
    font-size: 0.78rem;
    color: var(--gray-6);
    text-align: center;
    word-break: break-word;
    max-width: 120px;
    line-height: 1.4;
}

.gallery-empty {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--gray-4);
    font-size: 1rem;
}

/* ── Admin Grid ────────────────────────────────────────────────── */
.admin-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1.75rem;
}

.admin-item {
    flex: 0 0 auto;
    width: 200px;
    background: var(--white);
    border: 1.5px solid var(--gray-2);
    border-radius: var(--radius);
    padding: 1rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    transition: box-shadow var(--transition);
}

.admin-item:hover { box-shadow: var(--shadow-md); }

.admin-item img {
    width: 102px;
    height: 102px;
    object-fit: cover;
    border: 1px solid var(--black);
    border-radius: 2px;
    display: block;
    margin: 0 auto;
}

.admin-item .admin-desc {
    font-size: 0.8rem;
    color: var(--gray-6);
    text-align: center;
    word-break: break-word;
    line-height: 1.4;
}

.admin-item .admin-meta {
    font-size: 0.72rem;
    color: var(--gray-4);
    text-align: center;
    line-height: 1.3;
}

.admin-item .admin-actions {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-top: 0.3rem;
}

.admin-item .admin-actions form,
.admin-item .admin-actions a { width: 100%; }

.admin-item .admin-actions .btn { width: 100%; text-align: center; }

/* ── Modify Form (inline in admin) ─────────────────────────────── */
.modify-form {
    display: none;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.4rem;
}

.modify-form.open { display: flex; }

.modify-form textarea {
    width: 100%;
    font-size: 0.8rem;
    padding: 0.4rem 0.5rem;
    border: 1.5px solid var(--gray-3);
    border-radius: var(--radius);
    resize: vertical;
    font-family: var(--font-sans);
    min-height: 60px;
    color: var(--gray-8);
}

.modify-form textarea:focus {
    outline: none;
    border-color: var(--gray-6);
}

/* ── View Page ─────────────────────────────────────────────────── */
.view-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    padding-top: 1rem;
}

.view-image-box {
    text-align: center;
}

.view-image-box img {
    max-width: 100%;
    border: 2px solid var(--black);
    box-shadow: var(--shadow-lg);
    border-radius: 2px;
}

.view-meta {
    background: var(--white);
    border: 1.5px solid var(--gray-2);
    border-radius: var(--radius-lg);
    padding: 1.5rem 2rem;
    max-width: 640px;
    width: 100%;
    box-shadow: var(--shadow-sm);
}

.view-meta h2 {
    font-size: 1.15rem;
    color: var(--gray-7);
    margin-bottom: 0.6rem;
}

.view-meta .meta-row {
    display: flex;
    gap: 0.75rem;
    font-size: 0.88rem;
    color: var(--gray-5);
    flex-wrap: wrap;
    margin-bottom: 0.5rem;
}

.view-meta .meta-row span { display: inline-flex; align-items: center; gap: 0.3rem; }

.view-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

/* ── Map Page ──────────────────────────────────────────────────── */
.map-wrap {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.map-header { text-align: center; }

#map-container {
    width: 100%;
    height: 520px;
    border: 2px solid var(--gray-3);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    background: var(--gray-2);
}

.map-legend {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
    font-size: 0.88rem;
    color: var(--gray-6);
}

.map-legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.legend-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid var(--white);
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.legend-dot.red  { background: #e74c3c; }
.legend-dot.blue { background: #2980b9; }

/* ── Cards / Panels ────────────────────────────────────────────── */
.card {
    background: var(--white);
    border: 1.5px solid var(--gray-2);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
}

.card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--gray-7);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1.5px solid var(--gray-2);
    letter-spacing: 0.03em;
}

/* ── Breadcrumb / Back link ─────────────────────────────────────── */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.88rem;
    color: var(--gray-5);
    margin-bottom: 1.5rem;
    transition: color var(--transition);
}

.back-link:hover { color: var(--gray-8); }
.back-link::before { content: '← '; }

/* ── Spinner / Loading ──────────────────────────────────────────── */
.spinner {
    display: inline-block;
    width: 32px;
    height: 32px;
    border: 3px solid var(--gray-3);
    border-top-color: var(--gray-7);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Confirm Dialog Overlay ─────────────────────────────────────── */
.overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    z-index: 9000;
    align-items: center;
    justify-content: center;
}

.overlay.open { display: flex; }

.overlay-box {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    max-width: 400px;
    width: 90%;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.overlay-box h3 { font-size: 1.2rem; margin-bottom: 0.75rem; color: var(--gray-8); }
.overlay-box p  { font-size: 0.93rem; color: var(--gray-5); margin-bottom: 1.5rem; }

.overlay-actions { display: flex; gap: 0.75rem; justify-content: center; }

/* ── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 900px) {
    :root { --content-w: 92%; }
}

@media (max-width: 660px) {
    :root {
        --content-w: 96%;
        --header-h: auto;
    }

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

    .header-inner {
        flex-wrap: wrap;
        padding: 0.85rem 1rem;
        gap: 0.5rem;
        height: auto;
    }

    .nav-toggle { display: flex; }

    .site-nav {
        display: none;
        flex-direction: column;
        width: 100%;
        padding-bottom: 0.75rem;
        gap: 0.4rem;
    }

    .site-nav.open { display: flex; }
    .site-nav .nav-btn { width: 100%; text-align: center; }

    .gallery-item { width: 110px; }
    .admin-item   { width: 160px; }

    .view-meta { padding: 1rem 1.2rem; }

    #map-container { height: 360px; }

    .auth-box { padding: 1.75rem 1.25rem; }
    .upload-card { padding: 1.75rem 1.25rem; }
}

@media (max-width: 420px) {
    :root { --content-w: 100%; }

    .content-wrap { padding: 0 0.75rem; }
    .gallery-grid { gap: 1rem; justify-content: center; }
    .admin-grid   { gap: 1rem; justify-content: center; }
    .gallery-item { width: 108px; }
    .admin-item   { width: 155px; }
}

/* ── Utility ────────────────────────────────────────────────────── */
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.d-flex { display: flex; }
.gap-1  { gap: 0.5rem; }
.gap-2  { gap: 1rem; }
.flex-wrap { flex-wrap: wrap; }
.align-center { align-items: center; }
.justify-center { justify-content: center; }
.w-100 { width: 100%; }

/* ── Print styles ───────────────────────────────────────────────── */
@media print {
    .site-header, .site-footer, .nav-toggle { display: none; }
    body { background: white; }
    .content-wrap { width: 100%; max-width: none; }
}