/* Artifact Viewport - Unified Styling & Component System */

/* 1. Base Resets & Typography */
body.artifact-viewport {
    font-family: var(--font-primary, "PP Mori", system-ui, -apple-system, BlinkMacSystemFont, sans-serif);
    color: var(--text, #000000);
    background-color: transparent !important;
    margin: 0;
    padding: 10px;
    box-sizing: border-box;
    font-size: 14px;
    line-height: 1.5;
}

body.artifact-viewport * {
    box-sizing: border-box;
}

/* Headings */
body.artifact-viewport h1, 
body.artifact-viewport h2, 
body.artifact-viewport h3, 
body.artifact-viewport h4, 
body.artifact-viewport h5, 
body.artifact-viewport h6 {
    font-family: var(--font-primary, "PP Mori", sans-serif);
    font-weight: 600;
    color: var(--text, #000000);
    margin-top: 0;
    margin-bottom: 0.5rem;
}

body.artifact-viewport h1 { font-size: 1.5rem; }
body.artifact-viewport h2 { font-size: 1.3rem; }
body.artifact-viewport h3 { font-size: 1.15rem; }
body.artifact-viewport h4 { font-size: 1rem; }

/* 2. Interactive Controls - Inputs & Selects */
body.artifact-viewport input[type="text"],
body.artifact-viewport input[type="number"],
body.artifact-viewport input[type="email"],
body.artifact-viewport input[type="password"],
body.artifact-viewport textarea,
body.artifact-viewport select {
    width: 100%;
    padding: 8px 12px;
    font-family: inherit;
    font-size: 13.5px;
    border-radius: var(--squircle-inner, 8px);
    border: 1px solid var(--border, #ddd);
    background-color: var(--card-bg, #ffffff);
    color: var(--text, #000000);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

body.artifact-viewport input[type="text"]:focus,
body.artifact-viewport input[type="number"]:focus,
body.artifact-viewport textarea:focus,
body.artifact-viewport select:focus {
    border-color: var(--primary, #ff5400);
    box-shadow: 0 0 0 2px rgba(255, 84, 0, 0.2);
}

body.artifact-viewport textarea {
    resize: vertical;
    min-height: 60px;
}

body.artifact-viewport label {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text);
    opacity: 0.85;
    display: inline-block;
    margin-bottom: 4px;
}

/* 3. Slider Control (input[type="range"]) */
body.artifact-viewport input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: var(--border, #e7e7db);
    border-radius: 99px;
    outline: none;
    margin: 10px 0;
    cursor: pointer;
}

/* Chrome, Safari, Opera, Edge */
body.artifact-viewport input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #ffffff;
    border: 2px solid var(--primary, #ff5400);
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.1s, background-color 0.1s;
}

body.artifact-viewport input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.15);
    background: var(--primary, #ff5400);
    border-color: #ffffff;
}

body.artifact-viewport input[type="range"]::-webkit-slider-thumb:active {
    transform: scale(0.95);
}

/* Firefox */
body.artifact-viewport input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #ffffff;
    border: 2px solid var(--primary, #ff5400);
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.1s, background-color 0.1s;
}

body.artifact-viewport input[type="range"]::-moz-range-thumb:hover {
    transform: scale(1.15);
    background: var(--primary, #ff5400);
    border-color: #ffffff;
}

/* 4. Checkbox & Radio Buttons */
body.artifact-viewport input[type="checkbox"]:not(.toggle-switch),
body.artifact-viewport input[type="radio"] {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border: 1px solid var(--border, #ddd);
    background-color: var(--card-bg, #ffffff);
    outline: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    vertical-align: middle;
    margin-right: 6px;
    transition: background-color 0.2s, border-color 0.2s;
}

body.artifact-viewport input[type="checkbox"]:not(.toggle-switch) {
    border-radius: 4px;
}

body.artifact-viewport input[type="radio"] {
    border-radius: 50%;
}

body.artifact-viewport input[type="checkbox"]:not(.toggle-switch):checked {
    background-color: var(--primary, #ff5400);
    border-color: var(--primary, #ff5400);
}

body.artifact-viewport input[type="checkbox"]:not(.toggle-switch):checked::after {
    content: "✓";
    font-size: 11px;
    font-weight: bold;
    color: #ffffff;
}

body.artifact-viewport input[type="radio"]:checked {
    border-color: var(--primary, #ff5400);
}

body.artifact-viewport input[type="radio"]:checked::after {
    content: "";
    width: 8px;
    height: 8px;
    background-color: var(--primary, #ff5400);
    border-radius: 50%;
    display: block;
}

/* Toggle Switch class */
body.artifact-viewport input[type="checkbox"].toggle-switch {
    -webkit-appearance: none;
    appearance: none;
    width: 36px;
    height: 20px;
    border-radius: 99px;
    background-color: var(--border, #e7e7db);
    position: relative;
    outline: none;
    cursor: pointer;
    vertical-align: middle;
    margin-right: 6px;
    transition: background-color 0.2s;
}

body.artifact-viewport input[type="checkbox"].toggle-switch:checked {
    background-color: var(--primary, #ff5400);
}

body.artifact-viewport input[type="checkbox"].toggle-switch::after {
    content: "";
    position: absolute;
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: #ffffff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
    transition: transform 0.2s;
}

body.artifact-viewport input[type="checkbox"].toggle-switch:checked::after {
    transform: translateX(16px);
}

/* 5. Buttons */
body.artifact-viewport button,
body.artifact-viewport .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 14px;
    font-family: inherit;
    font-weight: 600;
    font-size: 13px;
    border-radius: var(--squircle-inner, 8px);
    border: none;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s, box-shadow 0.2s;
    background-color: var(--primary, #ff5400);
    color: #ffffff;
    outline: none;
}

body.artifact-viewport button:hover,
body.artifact-viewport .btn:hover {
    background-color: #e04a00;
}

body.artifact-viewport button:active,
body.artifact-viewport .btn:active {
    transform: scale(0.98);
}

body.artifact-viewport button:focus,
body.artifact-viewport .btn:focus {
    box-shadow: 0 0 0 2px rgba(255, 84, 0, 0.35);
}

body.artifact-viewport button.btn-secondary,
body.artifact-viewport .btn-secondary {
    background-color: transparent;
    border: 1px solid var(--border, #ddd);
    color: var(--text, #000000);
}

body.artifact-viewport button.btn-secondary:hover,
body.artifact-viewport .btn-secondary:hover {
    background-color: rgba(0, 0, 0, 0.04);
}

body.artifact-viewport.dark-mode button.btn-secondary:hover,
body.artifact-viewport.dark-mode .btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

body.artifact-viewport button.btn-success,
body.artifact-viewport .btn-success {
    background-color: #10b981;
}
body.artifact-viewport button.btn-success:hover,
body.artifact-viewport .btn-success:hover {
    background-color: #059669;
}

body.artifact-viewport button.btn-danger,
body.artifact-viewport .btn-danger {
    background-color: #ef4444;
}
body.artifact-viewport button.btn-danger:hover,
body.artifact-viewport .btn-danger:hover {
    background-color: #dc2626;
}

body.artifact-viewport button:disabled,
body.artifact-viewport .btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* 6. Layout & Grid Utilities */
.flex-row { display: flex; flex-direction: row; }
.flex-col { display: flex; flex-direction: column; }
.flex-wrap { display: flex; flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }

.grid-cols-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.grid-cols-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.grid-cols-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.grid-cols-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }

/* 7. Panels & Containers */
.card, .panel {
    background-color: var(--card-bg, #ffffff);
    border: 1px solid var(--border, #ddd);
    border-radius: var(--squircle-inner, 8px);
    padding: 14px 16px;
    margin-bottom: 12px;
}

.output-box {
    background-color: var(--border, #e7e7db);
    border-radius: var(--squircle-inner, 8px);
    padding: 12px;
    font-family: 'JetBrains Mono', 'Consolas', monospace;
    font-size: 13px;
    line-height: 1.6;
    letter-spacing: 0.5px;
    word-break: break-all;
    white-space: pre-wrap;
    opacity: 0.9;
}

body.dark-mode .output-box {
    background-color: #2b2b2a;
    color: #eff0eb;
}

/* Warning & Alerts */
.alert {
    border-radius: var(--squircle-inner, 8px);
    padding: 10px 14px;
    font-size: 13px;
    line-height: 1.6;
    margin-bottom: 12px;
}

.alert-note {
    background: rgba(153, 153, 134, 0.12);
    box-shadow: inset 0 0 0 1px rgba(153, 153, 134, 0.3);
    color: var(--text);
}

.alert-tip {
    background: rgba(26, 127, 55, 0.06);
    box-shadow: inset 0 0 0 1px rgba(26, 127, 55, 0.2);
    color: #0d4a20;
}

body.dark-mode .alert-tip {
    background: rgba(63, 185, 80, 0.1);
    box-shadow: inset 0 0 0 1px rgba(63, 185, 80, 0.3);
    color: #7dbf83;
}

.alert-warning {
    background: rgba(154, 103, 0, 0.06);
    box-shadow: inset 0 0 0 1px rgba(154, 103, 0, 0.2);
    color: #634300;
}

body.dark-mode .alert-warning {
    background: rgba(210, 153, 34, 0.1);
    box-shadow: inset 0 0 0 1px rgba(210, 153, 34, 0.3);
    color: #d1b15c;
}

.alert-caution {
    background: rgba(200, 30, 30, 0.06);
    box-shadow: inset 0 0 0 1px rgba(200, 30, 30, 0.2);
    color: #991b1b;
}

body.dark-mode .alert-caution {
    background: rgba(248, 113, 113, 0.1);
    box-shadow: inset 0 0 0 1px rgba(248, 113, 113, 0.3);
    color: #f87171;
}

/* 8. Data Tables */
.table-container {
    overflow-x: auto;
    border-radius: var(--squircle-inner, 8px);
    border: 1px solid var(--border, #ddd);
    margin-bottom: 12px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    background-color: var(--card-bg, #ffffff);
}

.data-table th,
.data-table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border, #ddd);
}

.data-table th {
    font-weight: 600;
    background-color: rgba(0, 0, 0, 0.02);
    color: var(--text);
}

body.dark-mode .data-table th {
    background-color: rgba(255, 255, 255, 0.03);
}

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

.data-table tr:hover {
    background-color: rgba(0, 0, 0, 0.01);
}

body.dark-mode .data-table tr:hover {
    background-color: rgba(255, 255, 255, 0.01);
}

/* 9. Specialized Cipher & Visual components */

/* Flow Nodes (used for Symmetric Cipher Models) */
.flow-container {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    margin: 16px 0;
}

.flow-node {
    background-color: var(--card-bg, #ffffff);
    border: 2px solid var(--border, #d4d4d8);
    border-radius: var(--squircle-inner, 8px);
    padding: 12px 14px;
    cursor: pointer;
    text-align: center;
    font-size: 13.5px;
    font-weight: 600;
    transition: all 0.2s ease;
    min-width: 110px;
    color: var(--text);
}

.flow-node:hover,
.flow-node.active {
    border-color: var(--primary, #ff5400);
    background-color: rgba(255, 84, 0, 0.05);
    color: var(--primary, #ff5400);
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(255, 84, 0, 0.15);
}

.flow-arrow {
    font-size: 18px;
    color: var(--border, #a1a1aa);
    font-weight: bold;
    user-select: none;
}

/* Matrix Inputs (for Hill Ciphers) */
.matrix-grid {
    display: inline-grid;
    grid-template-columns: repeat(2, 45px);
    gap: 6px;
    vertical-align: middle;
    border-left: 2px solid var(--text);
    border-right: 2px solid var(--text);
    padding: 0 4px;
    border-radius: 4px;
}

.matrix-grid-3 {
    grid-template-columns: repeat(3, 45px);
}

.matrix-input {
    width: 100% !important;
    height: 32px !important;
    padding: 4px !important;
    text-align: center;
    font-family: monospace;
    font-size: 13px !important;
}

/* Letter grid / row display (for Monoalphabetic or Transposition rows) */
.letter-row {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    margin-bottom: 8px;
}

.letter-cell {
    width: 26px;
    height: 26px;
    background-color: var(--card-bg, #ffffff);
    border: 1px solid var(--border, #ddd);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    font-size: 12.5px;
    color: var(--text);
    transition: background-color 0.2s, border-color 0.2s;
}

.letter-cell.highlight {
    background-color: rgba(255, 84, 0, 0.1);
    border-color: var(--primary, #ff5400);
    color: var(--primary, #ff5400);
}

/* Tabs System */
.tab-group {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--border, #ddd);
    padding-bottom: 6px;
}

.tab-item {
    padding: 6px 12px;
    border-radius: var(--squircle-inner, 8px) var(--squircle-inner, 8px) 0 0;
    border: 1px solid transparent;
    background: transparent;
    cursor: pointer;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text);
    opacity: 0.75;
    transition: all 0.2s;
}

.tab-item:hover {
    opacity: 1;
    background-color: rgba(0, 0, 0, 0.03);
}

body.dark-mode .tab-item:hover {
    background-color: rgba(255, 255, 255, 0.03);
}

.tab-item.active {
    opacity: 1;
    color: var(--primary, #ff5400);
    border-color: var(--border, #ddd) var(--border, #ddd) transparent var(--border, #ddd);
    background-color: var(--card-bg, #ffffff);
}