:root {
    --urlcodec-bg: #f8fbff;
    --urlcodec-surface: #ffffff;
    --urlcodec-border: #e2e8f0;
    --urlcodec-ink: #1f2937;
    --urlcodec-muted: #64748b;
    --urlcodec-accent: #00be62;
    --urlcodec-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
    --urlcodec-font: "Space Grotesk", "Trebuchet MS", "Segoe UI", sans-serif;
}

.urlcodec-page {
    max-width: 1120px;
    background: linear-gradient(180deg, #ffffff 0%, var(--urlcodec-bg) 100%);
    border: 1px solid #e5e7eb;
    border-radius: 14px;
    padding: 18px 16px;
    box-shadow: var(--urlcodec-shadow);
    font-family: var(--urlcodec-font);
    line-height: 1.5;
}

.urlcodec-lead {
    color: #334155;
    font-size: clamp(1rem, 1.2vw, 1.08rem);
    margin: 2px 0 18px;
    max-width: 76ch;
    letter-spacing: 0.005em;
}

.urlcodec-label {
    display: inline-block;
    margin-bottom: 6px;
    font-weight: 700;
    color: var(--urlcodec-ink);
    letter-spacing: 0.01em;
}

.urlcodec-textarea {
    border-radius: 10px;
    min-height: 240px;
    font-family: "Consolas", "Menlo", "Monaco", monospace;
    font-size: 0.95rem;
    line-height: 1.45;
    border: 1px solid #cdd6e1;
    box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.04);
}

.urlcodec-textarea::placeholder {
    color: #94a3b8;
}

#urlcodec-output {
    background: #f9fbff;
}

.urlcodec-textarea:focus {
    border-color: var(--urlcodec-accent);
    box-shadow: 0 0 0 0.2rem rgba(0, 190, 98, 0.12);
}

.urlcodec-count {
    margin-top: 6px;
    font-size: 0.82rem;
    color: var(--urlcodec-muted);
    font-variant-numeric: tabular-nums;
}

.urlcodec-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.urlcodec-actions .btn {
    border-radius: 999px;
    padding: 6px 12px;
    font-size: 0.83rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    transition: all 0.18s ease;
}

.urlcodec-actions .btn:hover {
    transform: translateY(-1px);
}

.urlcodec-actions .btn:focus-visible {
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.18);
}

#urlcodec-decode.bg-default {
    box-shadow: 0 6px 16px rgba(0, 190, 98, 0.22);
}

.urlcodec-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 10px 12px;
    background: var(--urlcodec-surface);
    border: 1px solid var(--urlcodec-border);
    border-radius: 12px;
    padding: 12px;
}

.urlcodec-option {
    background: #f8fafc;
    border: 1px solid var(--urlcodec-border);
    border-radius: 10px;
    padding: 8px 10px;
}

.urlcodec-option label {
    font-size: 0.85rem;
    font-weight: 700;
    color: #334155;
    margin-bottom: 4px;
}

.urlcodec-option .form-select {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    display: block;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    border: 1px solid #c8d3df;
    border-radius: 10px;
    font-size: 0.87rem;
    font-weight: 500;
    color: #1f2937;
    min-height: 38px;
    padding: 0.4rem 2.1rem 0.4rem 0.7rem;
    background-color: #ffffff;
    background-image:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%23556980' d='M5 6 0 0h10z'/%3E%3C/svg%3E"),
        linear-gradient(180deg, #ffffff 0%, #f7fafe 100%);
    background-repeat: no-repeat, no-repeat;
    background-position: right 12px center, center;
    background-size: 10px 6px, 100% 100%;
    box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.03);
    transition: border-color 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.urlcodec-option .form-select:hover {
    border-color: #b7c5d4;
    background-image:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%233b4a61' d='M5 6 0 0h10z'/%3E%3C/svg%3E"),
        linear-gradient(180deg, #ffffff 0%, #f2f7fc 100%);
}

.urlcodec-option .form-select:focus {
    border-color: #79c59e;
    box-shadow:
        0 0 0 3px rgba(0, 190, 98, 0.12),
        inset 0 1px 2px rgba(15, 23, 42, 0.02);
}

.urlcodec-option .form-select::-ms-expand {
    display: none;
}

.urlcodec-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
}

.urlcodec-toggle input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--urlcodec-accent);
}

.urlcodec-toggle label {
    margin-bottom: 0;
    font-weight: 500;
    color: #334155;
}

.urlcodec-status {
    margin-bottom: 0;
    border: 1px solid var(--urlcodec-border);
    border-radius: 10px;
    padding: 10px 12px;
    font-size: 0.92rem;
}

.urlcodec-examples {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.urlcodec-examples-title {
    color: #475569;
    font-size: 0.88rem;
    font-weight: 700;
}

.urlcodec-example.btn {
    border-radius: 999px;
    font-size: 0.8rem;
}

.urlcodec-copy {
    margin-top: 1.6rem;
    padding-top: 0.4rem;
    border-top: 1px solid var(--urlcodec-border);
}

.urlcodec-copy h2,
.urlcodec-copy h3 {
    color: #334155;
    margin-top: 1.2rem;
    letter-spacing: -0.01em;
}

.urlcodec-copy h2 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
}

.urlcodec-copy h3 {
    font-size: clamp(1.04rem, 1.35vw, 1.18rem);
}

.urlcodec-copy ul,
.urlcodec-copy ol {
    color: #334155;
    max-width: 78ch;
    padding-left: 1.15rem;
}

.urlcodec-copy li {
    margin-bottom: 0.4rem;
}

.urlcodec-copy details {
    border: 1px solid var(--urlcodec-border);
    border-radius: 10px;
    background: var(--urlcodec-surface);
    padding: 9px 10px;
    margin-bottom: 9px;
}

.urlcodec-copy details[open] {
    border-color: #cad5e3;
    box-shadow: 0 4px 10px rgba(15, 23, 42, 0.05);
}

.urlcodec-copy summary {
    font-weight: 700;
    cursor: pointer;
    color: var(--urlcodec-ink);
}

.urlcodec-copy details p {
    margin: 8px 0 0;
    color: #334155;
}

@media (min-width: 992px) {
    .urlcodec-page {
        padding: 22px 22px 20px;
    }

    .urlcodec-actions {
        margin-bottom: 0.35rem !important;
    }
}

@media (max-width: 767.98px) {
    .urlcodec-page {
        border-radius: 10px;
        padding: 14px 12px;
    }

    .urlcodec-actions .btn {
        flex: 1 1 48%;
    }
}