/* Sequence Generator Interface */
.sequence-generator-interface {
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.generator-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.control-panel {
    background: #ffffff;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    border: 1px solid #e5e7eb;
}

.panel-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #f3f4f6;
}

.panel-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #111827;
    margin: 0;
}

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

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.5rem;
}

.select-wrapper {
    position: relative;
}

.form-select {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    background: #ffffff;
    color: #111827;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236b7280'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1.25rem;
    padding-right: 2.75rem;
    transition: all 0.2s ease;
}

.form-select:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-input {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    background: #ffffff;
    color: #111827;
    transition: all 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-input::placeholder {
    color: #9ca3af;
}

.custom-params {
    display: none;
    padding: 1.25rem;
    background: #f9fafb;
    border-radius: 10px;
    border: 1px solid #e5e7eb;
    margin-bottom: 1.5rem;
}

.custom-params.show {
    display: block;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.action-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-primary {
    background: #6366f1;
    color: #ffffff;
    box-shadow: 0 2px 4px rgba(99, 102, 241, 0.2);
}

.btn-primary:hover {
    background: #4f46e5;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(99, 102, 241, 0.3);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: #ffffff;
    color: #6366f1;
    border: 2px solid #6366f1;
}

.btn-secondary:hover {
    background: #f3f4f6;
}

.btn-icon {
    display: inline-flex;
    align-items: center;
}

.result-panel {
    background: #ffffff;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    border: 1px solid #e5e7eb;
    border-top: 4px solid #6366f1;
    position: sticky;
    top: 20px;
    height: fit-content;
}

.result-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #f3f4f6;
}

.result-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
    color: #111827;
}

.result-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.result-summary {
    min-height: 60px;
}

.result-placeholder {
    color: #6b7280;
    font-size: 0.9375rem;
    margin: 0;
}

.result-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    background: #f9fafb;
    padding: 1.25rem;
    border-radius: 10px;
    border: 1px solid #e5e7eb;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-label {
    font-size: 0.75rem;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.stat-value {
    font-size: 1.125rem;
    font-weight: 700;
    color: #6366f1;
}

.result-actions {
    display: flex;
    gap: 0.75rem;
}

.btn-action {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    background: #6366f1;
    border: 1px solid #6366f1;
    border-radius: 8px;
    color: #ffffff;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-action:hover {
    background: #4f46e5;
    border-color: #4f46e5;
    transform: translateY(-1px);
}

.sequence-output {
    background: #ffffff;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    border: 1px solid #e5e7eb;
    margin-top: 2rem;
    animation: fadeInUp 0.4s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.output-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #f3f4f6;
}

.output-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #111827;
    margin: 0;
}

.output-content {
    max-height: 600px;
    overflow-y: auto;
}

.sequence-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.sequence-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1rem;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: #ffffff;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9375rem;
    box-shadow: 0 2px 4px rgba(99, 102, 241, 0.2);
    animation: popIn 0.3s ease;
    animation-fill-mode: both;
}

@keyframes popIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: #10b981;
    color: #ffffff;
    padding: 1rem 1.25rem;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
    display: none;
    align-items: center;
    gap: 0.75rem;
    z-index: 9999;
    animation: slideInRight 0.3s ease;
    max-width: 90%;
}

.toast.error {
    background: #ef4444;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.toast-message {
    font-size: 0.9375rem;
    font-weight: 500;
}

@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Mobile Responsive */
@media (max-width: 992px) {
    .generator-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .result-panel {
        position: relative;
        top: 0;
    }
}

@media (max-width: 768px) {
    .control-panel {
        padding: 1.5rem;
    }

    .result-panel {
        padding: 1.5rem;
    }

    .sequence-output {
        padding: 1.5rem;
    }

    .action-group {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .result-stats {
        grid-template-columns: 1fr;
    }

    .toast {
        right: 10px;
        left: 10px;
        max-width: calc(100% - 20px);
    }
}

@media (max-width: 480px) {
    .panel-title {
        font-size: 1.25rem;
    }

    .result-title,
    .output-title {
        font-size: 1.25rem;
    }

    .sequence-item {
        font-size: 0.875rem;
        padding: 0.5rem 0.75rem;
    }
}