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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #000a33 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 30px;
}

header {
    text-align: center;
    margin-bottom: 1.5rem;
    padding-bottom: 20px;
    border-bottom: 2px solid #f0f0f0;
}

header h1 {
    color: #001264;
    margin-bottom: 1rem;
    font-size: 2.5em;
}

header p {
    color: #666;
    font-size: 1.1em;
}

header code {
    background: #f5f5f5;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
}

.material-symbols-outlined {
  vertical-align: bottom;
  font-variation-settings:
  'FILL' 0,
  'wght' 400,
  'GRAD' 0,
  'opsz' 24
}

.drag-drop-area {
    border: 3px dashed #000933;
    border-radius: 8px;
    padding: 40px;
    text-align: center;
    background: #f8f9ff;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
}

.drag-drop-area:hover {
    background: #f0f2ff;
    border-color: #764ba2;
}

.drag-drop-area.dragover {
    background: #e8ebff;
    border-color: #764ba2;
}

.drag-drop-area p {
    color: #000a38;
    font-size: 1.1em;
    margin: 5px 0;
}

.drag-drop-area .hint {
    font-size: 0.9em;
    color: #999;
}

.controls {
    display: flex;
    gap: 15px;
    align-items: center;
    margin-bottom: 30px;
    padding: 15px;
    background: #f8f9ff;
    border-radius: 8px;
}

.controls label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: #666;
    flex-shrink: 0;
}

.controls input[type="checkbox"] {
    flex-shrink: 0;
    cursor: pointer;
}

.btn-primary, .btn-secondary {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 500;
    transition: all 0.2s ease;
}

.btn-primary {
    --b: 0.2rem;     /* the border thickness*/
    --c: #000000; /* the color */
    background: #001265;
    color: white;
    outline: calc(var(--s)/2) solid #0009;
    cursor: pointer;
    transition: .05s;
  }
  .btn-primary:hover {
    outline: var(--b) solid var(--c);
  }

.btn-secondary {
    background: #e0e0e0;
    color: #333;
}

.btn-secondary:hover {
    background: #d0d0d0;
}

.config-section {
    margin: 1rem;
    padding: 20px;
    background: #fafafa;
    border-radius: 8px;
    border-left: 4px solid #0d279c;
    border-top: 1px solid #0d279c;
    border-bottom: 1px solid #0d279c;
    border-right: 1px solid #0d279c;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    cursor: pointer;
}

.config-section h2 {
    color: #00177c;
    margin: 0;
    font-size: 1.5em;
    flex: 1;
}

.section-toggle {
    background: transparent;
    border: 2px solid #00177c;
    color: #00177c;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5em;
    font-weight: bold;
    transition: all 0.2s ease;
    flex-shrink: 0;
    padding: 0;
    line-height: 1;
}

.section-toggle:hover {
    background: #00177c;
    color: white;
}

.toggle-icon {
    display: inline-block;
    user-select: none;
}

.config-section.collapsed .section-content {
    display: none;
}

.subsection-header {
    color: #00177c;
    margin: 20px 0 15px 0;
    font-size: 1.2em;
    font-weight: 600;
    padding-bottom: 8px;
    border-bottom: 2px solid #e0e0e0;
}

.color-picker-container {
    position: relative;
    flex: 1 1 auto;
    min-width: 0;
    max-width: 25%;
}

.color-picker-button {
    border-radius: 6px;
    font-size: 0.9em;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
}

.color-picker-button:not(.default-state):hover {
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.color-picker-button.default-state {
    cursor: not-allowed;
}

.color-picker-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 5px;
    background: white;
    border: 2px solid #00177c;
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    max-height: 400px;
    overflow-y: auto;
    max-width: 500px;
}

.color-grid {
    display: grid;
    grid-template-columns: repeat(16, 1fr);
    gap: 2px;
    width: 100%;
}

.color-swatch {
    width: 25px;
    height: 25px;
    border: 1px solid #ccc;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.1s ease;
}

.color-swatch:hover {
    transform: scale(1.2);
    border-color: #00177c;
    border-width: 2px;
    z-index: 10;
    position: relative;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.form-group {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.form-group label {
    flex: 0 0 150px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-weight: 500;
}

.form-group input[type="checkbox"] {
    flex-shrink: 0;
    width: 1.125rem;
    height: 1.125rem;
    cursor: pointer;
}

.config-input {
    flex: 1 1 auto;
    min-width: 0;
    max-width: 25%;
    padding: 10px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 1em;
    transition: all 0.2s ease;
}

.config-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.config-input.default-state {
    background: #f5f5f5;
    color: #999;
    cursor: not-allowed;
}

.config-input.default-state:focus {
    border-color: #ccc;
    box-shadow: none;
}

.form-group.hidden {
    display: none;
}

.option-label {
    cursor: help;
    text-decoration: underline;
    text-decoration-style: dotted;
    text-underline-offset: 2px;
}

.option-description {
    margin-top: 5px;
    font-size: 0.85em;
    max-width: 40%;
    color: #333;
    font-style: italic;
    line-height: 1.4;
}

.alias-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    padding: 10px;
    background: white;
    border-radius: 6px;
    border: 1px solid #e0e0e0;
}

.alias-item .alias-name {
    flex: 0 0 150px;
    padding: 8px 12px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 0.95em;
}

.alias-item .alias-value {
    flex: 1;
    padding: 8px 12px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 0.95em;
    font-family: 'Courier New', monospace;
}

.alias-item span {
    color: #00115d;
    font-weight: bold;
}

.btn-remove {
    background: #870101;
    color: white;
    border: none;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    cursor: pointer;
    font-size: 1.2em;
    line-height: 1;
    transition: all 0.2s ease;
}

.btn-remove:hover {
    background: #a10606;
}

.btn-add {
    background: #00177f;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 500;
    transition: all 0.2s ease;
    margin-top: 10px;
}

.btn-add:hover {
    background: #000d56;
    transform: translateY(-2px);
}

.output-section {
    margin-top: 30px;
    padding: 20px;
    background: #1e1e1e;
    border-radius: 8px;
}

.output-section h2 {
    color: #fff;
    margin-bottom: 15px;
    font-size: 1.3em;
}

#output {
    background: #1e1e1e;
    color: #d4d4d4;
    padding: 20px;
    border-radius: 6px;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    line-height: 1.6;
    white-space: pre-wrap;
    word-wrap: break-word;
    border: 1px solid #3e3e3e;
}

#output code {
    color: #d4d4d4;
}

@media (max-width: 768px) {
    .container {
        padding: 20px;
    }

    .form-group {
        flex-direction: column;
        align-items: flex-start;
    }

    .form-group label {
        flex: 0 0 auto;
    }

    .config-input {
        width: 100%;
    }

    .option-description {
        margin-left: 0;
        margin-top: 8px;
    }

    .controls {
        flex-direction: column;
        align-items: flex-start;
    }

    .btn-primary {
        margin-left: 0;
        width: 100%;
    }
}