/* === RESET === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg: #06060a;
    --bg-elevated: #0c0c14;
    --surface: #12121e;
    --surface-hover: #1a1a2e;
    --border: #1e1e32;
    --border-hover: #2a2a45;
    --text: #f0f0f5;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --primary: #6366f1;
    --primary-light: #818cf8;
    --accent: #a855f7;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --success: #22c55e;
    --radius: 14px;
    --radius-sm: 10px;
    --shadow: 0 8px 32px rgba(0,0,0,0.4);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Outfit', -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* === LOGIN === */
.login-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(ellipse at 30% 20%, rgba(99,102,241,0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 80%, rgba(168,85,247,0.06) 0%, transparent 50%);
    padding: 24px;
}

.login-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 36px;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow);
}

.login-brand {
    text-align: center;
    margin-bottom: 32px;
}

.brand-name {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-domain, .brand-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.login-form { display: flex; flex-direction: column; gap: 20px; }

.form-field { display: flex; flex-direction: column; gap: 6px; }

.form-field label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-field input[type="text"],
.form-field input[type="password"],
.form-field textarea {
    padding: 12px 16px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-field input:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}

.form-field textarea { resize: vertical; min-height: 80px; }

.form-field input[type="file"] {
    padding: 10px;
    background: var(--bg);
    border: 2px dashed var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
}

.form-field input[type="file"]:hover {
    border-color: var(--primary);
}

.required { color: var(--danger); }
.hint { color: var(--text-muted); font-weight: 400; font-size: 0.8rem; }

.error-msg {
    color: var(--danger);
    font-size: 0.85rem;
    text-align: center;
    min-height: 20px;
}

.back-link {
    display: block;
    text-align: center;
    margin-top: 20px;
    color: var(--text-muted);
    font-size: 0.85rem;
    transition: var(--transition);
}

.back-link:hover { color: var(--primary-light); }

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 22px;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(99,102,241,0.35);
}

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

.btn-secondary:hover {
    background: var(--surface-hover);
    border-color: var(--border-hover);
}

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

.btn-ghost:hover {
    color: var(--text);
    border-color: var(--border-hover);
}

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

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

.btn-small { padding: 8px 16px; font-size: 0.8rem; }
.btn-full { width: 100%; }

/* === DASHBOARD === */
.dashboard { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0; top: 0; bottom: 0;
    z-index: 100;
}

.sidebar-brand {
    padding: 24px;
    border-bottom: 1px solid var(--border);
    text-align: center;
}

.sidebar-nav {
    flex: 1;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    text-align: left;
    font-weight: 500;
}

.nav-item:hover {
    background: var(--surface-hover);
    color: var(--text);
}

.nav-item.active {
    background: rgba(99,102,241,0.1);
    color: var(--primary-light);
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Main */
.main {
    flex: 1;
    margin-left: 260px;
    padding: 32px 40px;
    max-width: calc(100% - 260px);
}

.main-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

.main-header h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.page-subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 2px;
}

/* Items Grid */
.items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.item-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.item-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow);
    transform: translateY(-3px);
}

.item-banner {
    width: 100%;
    height: 150px;
    object-fit: cover;
    display: block;
}

.item-banner-empty {
    width: 100%;
    height: 150px;
    background: linear-gradient(135deg, var(--surface), var(--surface-hover));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.item-body { padding: 18px; }

.item-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}

.item-logo {
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid var(--border);
    flex-shrink: 0;
}

.item-title {
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: -0.2px;
}

.item-desc {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.55;
    margin-bottom: 12px;
}

.item-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 14px;
}

.tag {
    padding: 3px 10px;
    background: rgba(99,102,241,0.08);
    color: var(--primary-light);
    border-radius: 100px;
    font-size: 0.72rem;
    font-weight: 500;
}

.item-actions {
    display: flex;
    gap: 8px;
}

/* === MODAL === */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.modal.active { display: flex; }

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(6px);
}

.modal-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow);
    animation: modalIn 0.25s ease;
}

.modal-panel-small { max-width: 380px; padding: 32px; }

@keyframes modalIn {
    from { opacity: 0; transform: translateY(20px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: var(--surface);
    z-index: 2;
}

.modal-header h2 { font-size: 1.2rem; font-weight: 600; }

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    display: flex;
    border-radius: 6px;
    transition: var(--transition);
}

.modal-close:hover { color: var(--text); background: var(--surface-hover); }

.modal-form { padding: 24px; }

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.file-preview {
    margin-top: 8px;
    min-height: 40px;
}

.file-preview img {
    max-width: 80px;
    max-height: 50px;
    border-radius: 6px;
    border: 1px solid var(--border);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.delete-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(239,68,68,0.1);
    color: var(--danger);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

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

/* Toast */
#toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 14px 22px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    animation: toastIn 0.3s ease;
    box-shadow: var(--shadow);
    max-width: 320px;
}

.toast.success { border-color: var(--success); color: var(--success); }
.toast.error { border-color: var(--danger); color: var(--danger); }

@keyframes toastIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* Loading */
.loading-state {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 60px 0;
    color: var(--text-muted);
}

.spinner {
    width: 28px;
    height: 28px;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 0;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        position: relative;
    }
    .dashboard { flex-direction: column; }
    .main { margin-left: 0; max-width: 100%; padding: 24px; }
    .items-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .main-header { flex-direction: column; align-items: flex-start; gap: 16px; }
}