/*
  © 2025 Milos Saric. All rights reserved.
  Python List Methods - Modal Expansion Design
  Cards expand into full-screen overlay like taskbar folders
*/

/* ========================================
   METHOD CARD STYLES - COMPACT BASE
   ======================================== */

.method-card {
    background: var(--cell-bg);
    border: 2px solid var(--cell-border);
    border-radius: 12px;
    margin-bottom: 0.75rem;
    box-shadow: var(--shadow-light);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
    position: relative;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Collapsed State - Compact & Clickable */
.method-card:not(.expanded) {
    cursor: pointer;
}

.method-card:not(.expanded):hover {
    border-color: var(--primary-blue);
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.15);
    transform: translateY(-2px);
}

/* Expanded State - Card stays in place but content goes to modal */
.method-card.expanded {
    border-color: var(--primary-blue);
}

/* ========================================
   COLLAPSED PREVIEW - COMPACT DESIGN
   ======================================== */

.method-collapsed {
    padding: 0.875rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
}

.method-card.expanded .method-collapsed {
    opacity: 0.5;
    pointer-events: none;
}

.method-preview {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.method-preview-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary-blue);
    font-family: 'JetBrains Mono', 'SF Mono', Monaco, monospace;
    letter-spacing: -0.02em;
    white-space: nowrap;
    flex-shrink: 0;
}

.method-preview-desc {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    min-width: 0;
}

.method-preview-syntax {
    display: none;
}

.method-preview-badge {
    background: rgba(0, 122, 255, 0.08);
    color: var(--primary-blue);
    padding: 0.25rem 0.625rem;
    border-radius: 12px;
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid rgba(0, 122, 255, 0.15);
    white-space: nowrap;
    flex-shrink: 0;
}

.expand-icon {
    width: 20px;
    height: 20px;
    color: var(--primary-blue);
    transition: transform 0.3s ease;
    flex-shrink: 0;
    opacity: 0.6;
}

.method-card:hover .expand-icon {
    transform: translateY(2px);
    opacity: 1;
}

.expand-icon svg {
    width: 100%;
    height: 100%;
}

/* ========================================
   MODAL OVERLAY - FULL SCREEN EXPANSION
   ======================================== */

.method-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.method-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.method-modal {
    position: fixed;
    z-index: 9999;
    background: var(--cell-bg);
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    max-height: 85vh;
    display: flex;
    flex-direction: column;
}

.method-modal.active {
    opacity: 1;
    visibility: visible;
}

/* Close button for modal */
.method-modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    color: #ffffff;
}

.method-modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg) scale(1.1);
}

.method-modal-close svg {
    width: 24px;
    height: 24px;
}

/* Scrollable content area */
.method-modal-content {
    overflow-y: auto;
    flex: 1;
}

/* Custom scrollbar for modal */
.method-modal-content::-webkit-scrollbar {
    width: 10px;
}

.method-modal-content::-webkit-scrollbar-track {
    background: var(--code-bg);
}

.method-modal-content::-webkit-scrollbar-thumb {
    background: var(--primary-blue);
    border-radius: 5px;
}

.method-modal-content::-webkit-scrollbar-thumb:hover {
    background: #0051D5;
}

/* ========================================
   EXPANDED CONTENT IN MODAL
   ======================================== */

.method-expanded {
    display: none;
}

.method-modal.active .method-expanded {
    display: block;
}

/* Method Header */
.method-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 2.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1.5rem;
    position: relative;
    overflow: hidden;
}

.method-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.method-header::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.1); }
}

.method-title-section {
    position: relative;
    z-index: 1;
    flex: 1;
}

.method-name {
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
    font-family: 'JetBrains Mono', 'SF Mono', Monaco, monospace;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.method-description {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.95);
    margin: 0;
    line-height: 1.5;
}

.method-badge {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: #ffffff;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
    z-index: 1;
    white-space: nowrap;
}

/* Method Sections */
.method-section {
    padding: 2rem;
    border-bottom: 1px solid var(--cell-border);
}

.method-section:last-child {
    border-bottom: none;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.section-icon {
    width: 20px;
    height: 20px;
    color: var(--primary-blue);
    flex-shrink: 0;
}

/* Collapse Button - Hidden in modal, replaced by close button */
.collapse-button {
    display: none;
}

/* Example Section */
.example-description {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1rem;
}

.example-description code {
    background: var(--code-bg);
    color: var(--primary-blue);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-family: 'JetBrains Mono', 'SF Mono', Monaco, monospace;
    font-size: 0.9em;
}

.code-example {
    background: var(--code-bg);
    border: 1px solid var(--cell-border);
    border-radius: 12px;
    overflow: hidden;
}

.code-example pre {
    margin: 0;
    padding: 1.5rem;
    overflow-x: auto;
}

.code-example code {
    font-family: 'JetBrains Mono', 'SF Mono', Monaco, monospace;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--code-text);
    display: block;
}

.output-comment {
    color: #30d158;
    font-style: italic;
}

/* Definition Section */
.definition-text {
    color: var(--text-primary);
    font-size: 1.05rem;
    line-height: 1.7;
    margin: 0;
}

.definition-text code {
    background: var(--code-bg);
    color: var(--primary-blue);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-family: 'JetBrains Mono', 'SF Mono', Monaco, monospace;
    font-size: 0.9em;
}

/* Syntax Section */
.syntax-box {
    background: linear-gradient(135deg, var(--primary-blue) 0%, #5ac8fa 100%);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 122, 255, 0.2);
}

.syntax-code {
    font-family: 'JetBrains Mono', 'SF Mono', Monaco, monospace;
    font-size: 1.25rem;
    font-weight: 600;
    color: #ffffff;
    letter-spacing: 0.5px;
}

/* Parameters Table */
.parameters-table {
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid var(--cell-border);
}

.parameters-table table {
    width: 100%;
    border-collapse: collapse;
    font-size: 1rem;
    background: var(--cell-bg);
}

.parameters-table th,
.parameters-table td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--cell-border);
    color: var(--text-primary);
}

.parameters-table th {
    background: var(--code-bg);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.parameters-table tbody tr:last-child td {
    border-bottom: none;
}

.parameters-table tbody tr:hover {
    background: rgba(0, 122, 255, 0.03);
}

.parameters-table code {
    background: var(--code-bg);
    color: var(--primary-blue);
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    font-family: 'JetBrains Mono', 'SF Mono', Monaco, monospace;
    font-size: 0.9em;
    font-weight: 600;
}

.required-badge {
    background: #ff3b30;
    color: #ffffff;
    padding: 0.25rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-block;
    margin-right: 0.5rem;
}

/* ========================================
   MOBILE RESPONSIVE STYLES
   ======================================== */

@media (max-width: 768px) {
    .method-card {
        margin-bottom: 0.625rem;
        border-radius: 10px;
    }

    .method-collapsed {
        padding: 0.75rem 1rem;
        flex-wrap: wrap;
    }

    .method-preview {
        flex-wrap: wrap;
        width: 100%;
    }

    .method-preview-name {
        font-size: 1rem;
    }

    .method-preview-desc {
        font-size: 0.8rem;
        width: 100%;
        margin-top: 0.25rem;
    }

    .method-preview-badge {
        font-size: 0.5625rem;
        padding: 0.2rem 0.5rem;
    }

    .expand-icon {
        width: 18px;
        height: 18px;
    }

    .method-modal {
        border-radius: 16px;
        max-height: 90vh;
    }

    .method-modal-close {
        top: 1rem;
        right: 1rem;
        width: 36px;
        height: 36px;
    }

    .method-header {
        padding: 1.5rem;
    }

    .method-name {
        font-size: 1.75rem;
    }

    .method-description {
        font-size: 1rem;
    }

    .method-section {
        padding: 1.5rem;
    }

    .section-title {
        font-size: 1.125rem;
    }

    .code-example pre {
        padding: 1rem;
    }

    .code-example code {
        font-size: 0.85rem;
    }

    .syntax-code {
        font-size: 1rem;
    }

    .parameters-table th,
    .parameters-table td {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .method-collapsed {
        padding: 0.625rem 0.875rem;
    }

    .method-preview-name {
        font-size: 0.9375rem;
    }

    .method-preview-desc {
        font-size: 0.75rem;
    }

    .method-modal {
        border-radius: 12px;
        max-height: 95vh;
    }

    .method-header {
        padding: 1.25rem;
    }

    .method-name {
        font-size: 1.5rem;
    }

    .method-description {
        font-size: 0.9rem;
    }

    .method-section {
        padding: 1.25rem;
    }

    .section-title {
        font-size: 1rem;
    }

    .code-example code {
        font-size: 0.8rem;
    }
}

/* ========================================
   DARK MODE ENHANCEMENTS
   ======================================== */

.dark-mode .method-modal {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.dark-mode .method-header {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.dark-mode .syntax-box {
    box-shadow: 0 4px 20px rgba(0, 122, 255, 0.3);
}

.dark-mode .method-preview-badge {
    background: rgba(0, 122, 255, 0.12);
    border-color: rgba(0, 122, 255, 0.25);
}

/* ========================================
   ACCESSIBILITY
   ======================================== */

@media (prefers-reduced-motion: reduce) {
    .method-card {
        animation: none;
    }

    .method-modal,
    .method-modal-overlay {
        transition-duration: 0.01ms !important;
    }

    .method-header::after {
        animation: none;
    }

    * {
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
.method-collapsed:focus-visible {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
    border-radius: 8px;
}

.method-modal-close:focus-visible {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}