.layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    min-height: 100vh;
    background: #f5f7fa;
    color: #1f2933;
}

:root {
    --kh-primary: #0a8c6a;
    --kh-primary-dark: #087156;
    --kh-secondary: #0b6a8f;
    --kh-surface: #ffffff;
    --kh-border: #e0e4ea;
    --kh-muted: #6b7280;
    --kh-bg: #f5f7fa;
    --kh-toast: #111827;
}

.sidebar {
    background: linear-gradient(180deg, var(--kh-primary), var(--kh-secondary));
    color: #fff;
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: sticky;
    top: 0;
    height: 100vh;
    align-self: start;
    overflow-y: auto;
}

.sidebar__brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: #fff;
}

.brand-mark {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: #ffffff22;
    border: 1px solid #ffffff33;
    display: grid;
    place-items: center;
    font-weight: 700;
}

.brand-name {
    font-weight: 700;
    letter-spacing: 0.2px;
}

.sidebar__nav .nav-link {
    color: #e6f4ef;
    padding: 10px 12px;
    border-radius: 10px;
    display: block;
    font-weight: 500;
}

.sidebar__nav .nav-link:hover,
.sidebar__nav .nav-link.active {
    background: #ffffff22;
    color: #fff;
}

.main {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    background: var(--kh-surface);
    border-bottom: 1px solid var(--kh-border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.topbar__search {
    display: flex;
    gap: 8px;
    flex: 1;
    max-width: 640px;
    align-items: center;
    flex-wrap: nowrap;
}

.topbar__search .input-group {
    flex: 1;
    min-width: 0;
    flex-wrap: nowrap;
}

.topbar__search .input-group-text {
    display: inline-flex;
    align-items: center;
}

.topbar__search .btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding-inline: 14px;
}

.topbar__search input {
    min-width: 220px;
}

.topbar__search button {
    white-space: nowrap;
}

.topbar__user {
    display: flex;
    gap: 8px;
    align-items: center;
    color: #0b6a8f;
    font-weight: 600;
}

.messages {
    padding: 12px 20px 0 20px;
}

.content {
    padding: 20px;
}

.card {
    border: 1px solid var(--kh-border);
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(14, 63, 88, 0.06);
}

.card:hover {
    transform: translateY(-2px);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    box-shadow: 0 8px 18px rgba(14, 63, 88, 0.12);
}

.login-card input[type="text"],
.login-card input[type="password"] {
    width: 100%;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid #d0d7e2;
    background: #f8fafc;
}

.login-card input[type="text"]:focus,
.login-card input[type="password"]:focus {
    outline: none;
    border-color: #0a8c6a;
    box-shadow: 0 0 0 3px rgba(10, 140, 106, 0.15);
}

.auth-viewport {
    min-height: 70vh;
    display: grid;
    place-items: center;
    padding: 12px 0 20px;
}

.auth-panel {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 26px;
    align-items: center;
    width: min(1080px, 100%);
    margin: 0 auto;
}

.auth-copy {
    background: linear-gradient(135deg, #0a8c6a0d, #0b6a8f14);
    border: 1px solid var(--kh-border);
    border-radius: 16px;
    padding: 24px;
}

.auth-copy h1 {
    font-size: 28px;
    margin-bottom: 12px;
    color: #0a8c6a;
}

.auth-bullets {
    list-style: none;
    padding: 0;
    margin: 12px 0 0;
    display: grid;
    gap: 6px;
}

.auth-bullets li::before {
    content: "•";
    color: var(--kh-primary);
    margin-right: 8px;
}

.auth-card {
    border: 1px solid var(--kh-border);
    border-radius: 14px;
}

.auth-form .form-label {
    font-weight: 600;
    color: #1f2933;
}

.auth-form input {
    background: #f8fafc;
}

.object-fit-cover {
    object-fit: cover;
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 999px;
    background: #eef2f7;
    color: #1f2933;
    font-size: 12px;
    font-weight: 600;
}

.meta-chip {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 8px;
    background: #eef2f7;
    color: #425466;
    font-size: 12px;
    margin-right: 4px;
    margin-bottom: 4px;
}

.section-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.empty-state {
    border: 1px dashed #cbd5e1;
    background: #f8fafc;
    padding: 24px;
    border-radius: 12px;
    text-align: center;
}

.skeleton {
    background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 37%, #f1f5f9 63%);
    background-size: 400% 100%;
    animation: shimmer 1.4s ease infinite;
    border-radius: 10px;
}

@keyframes shimmer {
    0% { background-position: 100% 0; }
    100% { background-position: -100% 0; }
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 999px;
    background: #eef2f7;
    color: #1f2933;
    font-size: 12px;
    font-weight: 600;
}

.form-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 10px;
    border-radius: 10px;
    background: #f8fafc;
    border: 1px solid var(--kh-border);
}

.btn-primary {
    background-color: var(--kh-primary);
    border-color: var(--kh-primary);
}

.btn-primary:hover {
    background-color: var(--kh-primary-dark);
    border-color: var(--kh-primary-dark);
}
.btn-outline-primary {
    color: var(--kh-primary);
    border-color: var(--kh-primary);
}
.btn-outline-primary:hover {
    background-color: var(--kh-primary);
    color: #fff;
}

.btn-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: 10px;
    background: #eef2f7;
    color: #1f2933;
    font-weight: 600;
}
.btn-outline-primary {
    color: var(--kh-primary);
    border-color: var(--kh-primary);
}
.btn-outline-primary:hover {
    background-color: var(--kh-primary);
    color: #fff;
}

.form-control:focus {
    border-color: var(--kh-primary);
    box-shadow: 0 0 0 3px rgba(10, 140, 106, 0.12);
}

.form-control.is-invalid {
    border-color: #dc3545;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.12);
}

.invalid-feedback {
    display: block;
}

.comment-item {
    background: #fff;
    border-radius: 10px;
    padding: 10px;
    border: 1px solid var(--kh-border);
}

.skeleton-card {
    border: 1px solid var(--kh-border);
    border-radius: 12px;
    padding: 16px;
    background: #fff;
}

.skeleton-line {
    height: 12px;
    border-radius: 8px;
    background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 37%, #f1f5f9 63%);
    background-size: 400% 100%;
    animation: shimmer 1.4s ease infinite;
}

.skeleton-thumb {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 37%, #f1f5f9 63%);
    background-size: 400% 100%;
    animation: shimmer 1.4s ease infinite;
    border-radius: 12px;
}

.card-hover-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(17, 24, 39, 0) 30%, rgba(17, 24, 39, 0.65) 100%);
    color: #fff;
    opacity: 0;
    padding: 10px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    gap: 6px;
    transition: opacity 0.2s ease;
    border-radius: 12px;
}

.card:hover .card-hover-overlay,
.card:focus-within .card-hover-overlay {
    opacity: 1;
}

.card-hover-overlay .chip {
    background: rgba(255, 255, 255, 0.12);
    color: #f8fafc;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.fade-out {
    opacity: 0;
    transition: opacity 0.2s ease;
}

.fade-in {
    opacity: 0;
    transform: translateY(4px);
    animation: fadeInSoft 0.35s ease forwards;
}

.img-fallback {
    object-fit: contain;
    background: #f8fafc;
}

@keyframes fadeInSoft {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.badge-status {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}

.badge-status.pending {
    background: #ffe8c7;
    color: #c76a00;
}

.badge-status.approved {
    background: #d1f2e5;
    color: #0a8c6a;
}

.badge-status.rejected {
    background: #f8d7da;
    color: #b91c1c;
}

.like-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #ff4d6d;
}

.heart-icon {
    stroke: currentColor;
    fill: transparent;
    transition: transform 0.15s ease, fill 0.15s ease, stroke 0.15s ease;
}

.like-btn.btn-primary {
    background: #ffe4ea;
    border-color: #ffb4c2;
    color: #d6336c;
}

.like-btn.btn-primary .heart-icon {
    fill: #ff4d6d;
    stroke: #ff4d6d;
}

.like-btn.btn-outline-primary .heart-icon {
    stroke: #ff4d6d;
}

.like-btn:hover .heart-icon {
    transform: scale(1.05);
    fill: #ff4d6d;
    stroke: #ff4d6d;
}

.comment-thread {
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 14px;
    padding: 14px;
}

.comment-item {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 12px 14px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
}

.comment-children {
    border-left: 2px solid #e5e7eb;
    padding-left: 12px;
    margin-left: 6px;
}

.comment-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0a8c6a, #0f6ab7);
    color: #fff;
    display: grid;
    place-items: center;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.comment-avatar.self {
    background: linear-gradient(135deg, #ff8f70, #ff3d54);
}

.comment-content {
    white-space: pre-wrap;
    color: #1f2937;
}

.comment-textarea {
    border-radius: 12px;
    border: 1px solid #d1d5db;
    padding: 12px;
    resize: vertical;
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.03);
}

.comment-textarea:focus {
    border-color: #0a8c6a;
    box-shadow: 0 0 0 3px rgba(10, 140, 106, 0.2);
}

.comment-like-btn.text-danger .heart-icon {
    fill: #ff4d6d;
    stroke: #ff4d6d;
}

.topic-grid ul,
.topic-tags-list {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 8px 12px;
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.topic-grid li,
.topic-tags-list li {
    padding: 4px 6px;
    border-radius: 8px;
}

.topic-grid label,
.topic-tags-list label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
    color: #1f2937;
}

.topic-grid input[type="checkbox"],
.topic-tags-list input[type="checkbox"] {
    accent-color: #0a8c6a;
}

.filter-panel {
    background: #fff;
    border: 1px solid #e0e4ea;
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 16px;
}

.upload-dropzone {
    border: 2px dashed #0a8c6a;
    border-radius: 12px;
    padding: 20px;
    background: #f0f8f5;
    text-align: center;
    cursor: pointer;
    margin-bottom: 16px;
}

.upload-dropzone.invalid {
    border-color: #dc3545;
    background: #fff5f5;
}

.upload-file-list {
    background: #fff;
    border: 1px dashed #d1d5db;
    border-radius: 10px;
    padding: 8px 10px;
}

.upload-file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    padding: 4px 0;
    border-bottom: 1px dashed #e5e7eb;
}

.upload-file-item:last-child {
    border-bottom: none;
}

.upload-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 12px;
}

/* Comment Pins */
.comment-pin {
    position: absolute;
    width: 24px;
    height: 24px;
    background: #0a8c6a;
    border: 2px solid #fff;
    border-radius: 50% 50% 50% 0;
    transform: translate(-50%, -100%) rotate(-45deg);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: transform 0.2s ease, background-color 0.2s ease;
    z-index: 10;
}

.comment-pin::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    background: #fff;
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.comment-pin:hover,
.comment-pin.active {
    transform: translate(-50%, -100%) rotate(-45deg) scale(1.2);
    background: #087156;
    z-index: 20;
}

.comment-pin.temp {
    background: #f59e0b; /* Temporary pin color (Orange) */
    animation: pinBounce 0.5s ease;
}

@keyframes pinBounce {
    0% { transform: translate(-50%, -100%) rotate(-45deg) scale(0); opacity: 0; }
    60% { transform: translate(-50%, -100%) rotate(-45deg) scale(1.2); }
    100% { transform: translate(-50%, -100%) rotate(-45deg) scale(1); opacity: 1; }
}

#image-container {
    overflow: hidden; /* 핀이 이미지 밖으로 나가지 않도록 */
}

/* Comment Highlight */
.comment-item.highlight {
    border-color: #0a8c6a;
    background-color: #f0fdf4;
    box-shadow: 0 0 0 3px rgba(10, 140, 106, 0.1);
}