:root {
    --primary: #8B5CF6;
    /* Purple */
    --primary-hover: #7C3AED;
    --accent: #F472B6;
    /* Pink */
    --bg-main: #0F0B1A;
    /* Deep dark purple/navy */
    --bg-sidebar: #151125;
    --bg-card: rgba(26, 21, 40, 0.6);
    --bg-card-hover: rgba(33, 27, 51, 0.9);
    --border-color: rgba(139, 92, 246, 0.15);
    --border-focus: rgba(244, 114, 182, 0.5);
    --text-main: #F8FAFC;
    --text-muted: #94A3B8;
    --text-dark: #cbd5e1;
    --radius: 16px;
    --font-sans: 'Inter', system-ui, sans-serif;
    --font-display: 'Outfit', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-main);
    color: var(--text-main);
    height: 100vh;
    overflow: hidden;
    background-image:
        radial-gradient(circle at 10% 20%, rgba(139, 92, 246, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(244, 114, 182, 0.05) 0%, transparent 40%);
}

.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
}

/* Sidebar */
.sidebar {
    width: 280px;
    min-width: 260px;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 10;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem 1.5rem 2rem;
}

.logo-icon {
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo h1 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(to right, #FFF, #cbd5e1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    flex-grow: 1;
    overflow-y: auto;
    padding: 0 1rem;
}

.nav-menu::-webkit-scrollbar {
    width: 4px;
}

.nav-menu::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.nav-section {
    margin-bottom: 2rem;
}

.nav-section h3 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 0.5rem;
    padding: 0 0.5rem;
}

.nav-section ul {
    list-style: none;
}

.nav-section li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.75rem;
    margin-bottom: 0.25rem;
    border-radius: 8px;
    color: var(--text-dark);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: capitalize;
}

.nav-section li svg {
    color: var(--text-muted);
    transition: color 0.2s;
}

.nav-section li:hover {
    background: rgba(139, 92, 246, 0.1);
    color: var(--text-main);
}

.nav-section li:hover svg {
    color: var(--primary);
}

.nav-section li.active {
    background: linear-gradient(90deg, rgba(139, 92, 246, 0.2), transparent);
    color: var(--primary);
    border-left: 3px solid var(--primary);
}

.nav-section li.active svg {
    color: var(--primary);
}

.sidebar-actions {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 0.5rem;
}

.icon-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 0.6rem;
    border-radius: 8px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
}

.icon-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
}

/* Main Content */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    gap: 2rem;
}

.search-container {
    flex-grow: 1;
    max-width: 600px;
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 1rem;
    color: var(--text-muted);
}

#search-input {
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.8rem 1rem 0.8rem 2.75rem;
    border-radius: 20px;
    font-size: 0.95rem;
    transition: all 0.2s;
}

#search-input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.primary-btn {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    border: none;
    padding: 0.8rem 1.25rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

.secondary-btn {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--border-color);
    padding: 0.8rem 1.25rem;
    border-radius: 20px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.secondary-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--text-muted);
}

.danger-btn {
    background: transparent;
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
    padding: 0.8rem 1.25rem;
    border-radius: 20px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.danger-btn:hover {
    background: rgba(239, 68, 68, 0.1);
}

.content-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 2rem 2rem 1rem;
}

.content-header h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    text-transform: capitalize;
}

.badge {
    background: rgba(139, 92, 246, 0.15);
    color: var(--accent);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
    font-family: var(--font-mono);
}

/* Prompts Grid */
.prompts-grid {
    flex-grow: 1;
    overflow-y: auto;
    padding: 1rem 2rem 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    align-content: start;
}

.prompts-grid::-webkit-scrollbar {
    width: 8px;
}

.prompts-grid::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 8px;
}

.prompt-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.prompt-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0;
    transition: opacity 0.3s;
}

.prompt-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border-color: rgba(139, 92, 246, 0.4);
}

.prompt-card:hover::before {
    opacity: 1;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.card-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.3;
    color: #fff;
}

.card-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--accent);
    letter-spacing: 0.5px;
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: block;
}

.favorite-toggle {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    transition: all 0.2s;
}

.favorite-toggle:hover {
    transform: scale(1.1);
}

.favorite-toggle.is-favorite {
    color: var(--accent);
    fill: var(--accent);
}

.card-body {
    flex-grow: 1;
}

.card-preview {
    font-size: 0.9rem;
    color: var(--text-dark);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    align-self: flex-end;
    width: 100%;
}

.card-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.card-tag {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    font-size: 0.75rem;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

.use-btn {
    background: rgba(139, 92, 246, 0.1);
    color: var(--primary);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.prompt-card:hover .use-btn {
    background: var(--primary);
    color: white;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 1;
    transition: opacity 0.3s;
}

.modal.hidden {
    opacity: 0;
    pointer-events: none;
}

.glass-panel {
    background: rgba(21, 17, 37, 0.95);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8);
    transform: scale(1);
    transition: transform 0.3s;
}

.modal.hidden .glass-panel {
    transform: scale(0.95);
}

.modal-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
}

.modal-actions {
    display: flex;
    gap: 0.5rem;
}

.icon-action-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}

.icon-action-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-main);
}

.modal-body {
    padding: 2rem;
    overflow-y: auto;
    flex-grow: 1;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: flex;
    gap: 1.5rem;
}

.half {
    flex: 1;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    color: white;
    padding: 0.8rem 1rem;
    border-radius: 12px;
    font-family: var(--font-sans);
    font-size: 1rem;
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
    line-height: 1.5;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(244, 114, 182, 0.1);
}

.prompt-preview-container {
    position: relative;
    height: 300px;
}

#prompt-preview {
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    color: #e2e8f0;
    font-family: var(--font-sans);
    font-size: 1.05rem;
    line-height: 1.6;
    resize: none;
}

#prompt-preview:focus {
    outline: none;
}

.copy-float-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.6rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    transition: transform 0.2s;
}

.copy-float-btn:hover {
    transform: scale(1.05);
}

.modal-footer {
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

/* Dynamic Variable Inputs */
.var-input-group {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 0.75rem;
    overflow: hidden;
}

.var-label {
    background: rgba(0, 0, 0, 0.2);
    padding: 0.8rem 1rem;
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    border-right: 1px solid var(--border-color);
    min-width: 120px;
}

.var-input {
    flex-grow: 1;
    background: transparent;
    border: none;
    color: white;
    padding: 0.8rem 1rem;
    font-size: 1rem;
}

.var-input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.05);
}

/* Toast */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--primary);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 30px;
    font-weight: 600;
    box-shadow: 0 10px 25px rgba(139, 92, 246, 0.4);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 1000;
}

.toast.hidden {
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
}

/* Empty State */
.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

.no-results svg {
    margin-bottom: 1rem;
    opacity: 0.5;
}