:root {
    --bg-color: #f8f9fa;
    --surface-color: #ffffff;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --primary-color: #0d6efd;
    --primary-hover: #0b5ed7;
    --danger-color: #dc3545;
    --border-color: #dee2e6;
    --success-color: #198754;
    --radius: 12px;
    --spacing: 16px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    height: 100dvh; /* Use dynamic viewport height for mobile */
    overflow: hidden;
}

/* Header */
.app-header {
    background-color: var(--surface-color);
    padding: var(--spacing);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
    z-index: 10;
}

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

.danger-icon {
    color: var(--danger-color) !important;
}

.danger-icon:active {
    background-color: rgba(220, 53, 69, 0.1) !important;
}

.app-header h1 {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.icon-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.2s;
}

.icon-btn:active {
    background-color: var(--border-color);
}

/* Feed */
.feed {
    flex-grow: 1;
    overflow-y: auto;
    padding: var(--spacing);
    display: flex;
    flex-direction: column;
    gap: var(--spacing);
    -webkit-overflow-scrolling: touch;
}

.empty-state {
    text-align: center;
    color: var(--text-secondary);
    margin-top: 40px;
}

.hidden {
    display: none !important;
}

/* Post Card */
.post-card {
    background-color: var(--surface-color);
    border-radius: var(--radius);
    padding: var(--spacing);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    border: 1px solid var(--border-color);
}

.post-content {
    font-size: 1rem;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
}

.post-image {
    max-width: 100%;
    margin-top: 12px;
    border-radius: var(--radius);
    display: block;
    border: 1px solid var(--border-color);
}

.post-meta {
    margin-top: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.wp-badge {
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
}

.wp-badge.published { background-color: #d1e7dd; color: #0f5132; }
.wp-badge.publishing { background-color: #fff3cd; color: #664d03; }
.wp-badge.error { background-color: #f8d7da; color: #842029; }
.wp-badge.local { background-color: #e2e3e5; color: #41464b; }

/* FAB */
.fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 20;
    transition: transform 0.2s;
}

.fab:active {
    transform: scale(0.95);
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 100;
    display: flex;
    flex-direction: column;
    justify-content: flex-end; /* Bottom sheet on mobile */
    animation: fadeIn 0.2s ease-out;
}

.modal-content {
    background-color: var(--surface-color);
    width: 100%;
    max-height: 90vh;
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
    padding: var(--spacing);
    display: flex;
    flex-direction: column;
    animation: slideUp 0.3s ease-out;
    overflow-y: auto;
}

.modal-content.full-height {
    height: 90vh;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing);
}

.modal-header h2 {
    font-size: 1.1rem;
}

/* Forms & Inputs */
textarea {
    width: 100%;
    flex-grow: 1;
    min-height: 150px;
    border: none;
    resize: none;
    font-size: 1.1rem;
    outline: none;
    padding: 8px 0;
}

.modal-footer {
    margin-top: var(--spacing);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.primary-btn, .danger-btn {
    padding: 12px 24px;
    border-radius: var(--radius);
    border: none;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
}

.secondary-btn {
    padding: 12px 24px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    background-color: transparent;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
}

.data-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: var(--spacing);
}

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

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

.full-width {
    width: 100%;
}

.toggle-container {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
}

.warning-text {
    font-size: 0.8rem;
    color: var(--danger-color);
}

/* Settings Form */
.settings-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing);
    overflow-y: auto;
}

.help-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group input {
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
}

hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: var(--spacing) 0;
}

.status-msg {
    text-align: center;
    font-size: 0.9rem;
    height: 20px;
}

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

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}