:root {
    --bg-dark: #070a13;
    --card-dark: #0f172a;
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border: #1e293b;
    --accent: #10b981;
    --accent-red: #ef4444;
    --accent-blue: #0ea5e9;
    --accent-purple: #a855f7;
}

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

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Header style override for builder screen */
portfolio-header {
    flex-shrink: 0;
}

/* Two-column split-pane container */
.builder-layout {
    display: flex;
    flex: 1;
    height: calc(100vh - 70px); /* Subtract header height */
    overflow: hidden;
}

/* Left panel: Config, Forms & Controls */
.control-panel {
    width: 45%;
    min-width: 450px;
    max-width: 600px;
    background-color: #0b0f19;
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    padding: 24px;
    gap: 24px;
}

/* Right panel: Sticky Live Preview frame */
.preview-panel {
    flex: 1;
    background-color: #020617;
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 16px;
    gap: 12px;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #0f172a;
    padding: 12px 20px;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.preview-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
}

.preview-status {
    width: 8px;
    height: 8px;
    background-color: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent);
}

.preview-status.updating {
    background-color: #f59e0b;
    box-shadow: 0 0 10px #f59e0b;
    animation: pulse 1s infinite alternate;
}

@keyframes pulse {
    0% { opacity: 0.4; }
    100% { opacity: 1; }
}

.preview-iframe-wrapper {
    flex: 1;
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    background-color: #ffffff;
}

.preview-iframe-wrapper iframe {
    width: 100%;
    height: 100%;
    border: none;
    background: white;
}

/* Workspace Blocks */
.panel-section {
    background-color: var(--card-dark);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.section-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 10px;
}

/* Form Styles */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

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

label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
}

input, textarea, select {
    background-color: #0b0f19;
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 12px 16px;
    border-radius: 10px;
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    transition: all 0.2s ease;
}

input:focus, textarea:focus, select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

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

/* Custom list inputs (skills, experience, projects) */
.list-builder {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.list-item-entry {
    background-color: #0b0f19;
    border: 1px dashed var(--border);
    padding: 12px;
    border-radius: 10px;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn-delete-item {
    position: absolute;
    top: 10px;
    right: 10px;
    background: transparent;
    border: none;
    color: var(--accent-red);
    cursor: pointer;
    font-size: 1rem;
}

.btn-add-item {
    background-color: transparent;
    border: 1px dashed var(--primary);
    color: var(--primary);
    padding: 10px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn-add-item:hover {
    background-color: rgba(99, 102, 241, 0.05);
}

/* Custom Styling / Buttons */
.btn-action {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: white;
    border: none;
    padding: 14px 20px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-action:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 12px 20px;
    border-radius: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

/* Theme & Template Selector Grids */
.themes-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
}

.theme-btn {
    border: 1px solid var(--border);
    background-color: #0b0f19;
    color: var(--text-main);
    padding: 10px 5px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    text-align: center;
    transition: all 0.2s ease;
}

.theme-btn.active {
    border-color: var(--primary);
    background-color: rgba(99, 102, 241, 0.1);
}

.templates-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.template-selector-btn {
    border: 1px solid var(--border);
    background-color: #0b0f19;
    color: var(--text-main);
    padding: 12px 6px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    text-align: center;
    transition: all 0.2s;
}

.template-selector-btn.active {
    border-color: var(--primary);
    background-color: rgba(99, 102, 241, 0.1);
}

.download-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

/* Status Notifications */
.status-toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--card-dark);
    border: 1px solid var(--border);
    padding: 16px 24px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    gap: 12px;
    transform: translateY(150%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 10000;
}

.status-toast.show {
    transform: translateY(0);
}

.status-toast.success {
    border-left: 4px solid var(--accent);
}

.status-toast.error {
    border-left: 4px solid var(--accent-red);
}

/* Responsive adjustment */
@media (max-width: 992px) {
    .builder-layout {
        flex-direction: column;
        height: auto;
        overflow: visible;
    }
    .control-panel {
        width: 100%;
        max-width: 100%;
        height: auto;
        overflow-y: visible;
    }
    .preview-panel {
        height: 600px;
    }
}