/* ================================================================
   NUMBER-TO-WORDS.CSS  —  Premium Number to Words Converter
   ================================================================ */

/* ══════════════════════════════════════════════════════════════════
   INPUT GROUP
══════════════════════════════════════════════════════════════════ */
.ntw-input-group {
    margin-bottom: 1.2rem;
}

.ntw-input-label {
    display: block;
    font-size: .88rem;
    font-weight: 600;
    color: var(--text-soft);
    margin-bottom: .5rem;
}

.ntw-input-wrap {
    position: relative;
}

.ntw-input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.1rem;
    pointer-events: none;
    user-select: none;
}

.ntw-number-input {
    width: 100%;
    padding: .95rem 1rem .95rem 3rem;
    font-size: 1.15rem;
    font-family: inherit;
    font-weight: 600;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    background: #fff;
    color: var(--text);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
    -moz-appearance: textfield;
    appearance: textfield;
    letter-spacing: .01em;
}

.ntw-number-input::-webkit-outer-spin-button,
.ntw-number-input::-webkit-inner-spin-button { -webkit-appearance: none; }

.ntw-number-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3.5px rgba(79,70,229,.13);
}

.ntw-number-input[aria-invalid="true"] {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239,68,68,.1);
}

.ntw-input-error {
    display: none;
    font-size: .8rem;
    color: #ef4444;
    margin-top: .38rem;
    font-weight: 500;
}
.ntw-input-error.visible { display: block; }

/* ── Option toggles row ── */
.ntw-options-row {
    display: flex;
    align-items: center;
    gap: 1.4rem;
    flex-wrap: wrap;
    margin-bottom: 1.35rem;
}

.ntw-option-label {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: .86rem;
    font-weight: 600;
    color: var(--text-soft);
    cursor: pointer;
    user-select: none;
}

.ntw-option-label input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    accent-color: var(--primary);
    cursor: pointer;
    flex-shrink: 0;
}

/* ── Currency selector pill ── */
.ntw-currency-wrap {
    display: flex;
    align-items: center;
    gap: .55rem;
    font-size: .86rem;
    font-weight: 600;
    color: var(--text-soft);
}

.ntw-currency-select {
    font-size: .84rem;
    font-weight: 700;
    font-family: inherit;
    color: var(--primary);
    background: var(--primary-light);
    border: 1px solid rgba(79,70,229,.2);
    border-radius: 50px;
    padding: .22rem .75rem .22rem .65rem;
    cursor: pointer;
    outline: none;
    transition: background var(--transition), border-color var(--transition);
    appearance: none;
    -webkit-appearance: none;
    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 d='M1 1l4 4 4-4' stroke='%234f46e5' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right .55rem center;
    padding-right: 1.7rem;
}

.ntw-currency-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79,70,229,.13);
}

/* ══════════════════════════════════════════════════════════════════
   RESULT CARD
══════════════════════════════════════════════════════════════════ */
.ntw-result-card {
    max-width: 680px;
    margin: 1.6rem auto 0;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    opacity: 0;
    transform: translateY(18px);
    transition: opacity .4s cubic-bezier(.4,0,.2,1),
                transform .4s cubic-bezier(.4,0,.2,1);
}

.ntw-result-card[hidden] { display: none; }

.ntw-result-card--visible {
    opacity: 1;
    transform: translateY(0);
}

/* Gradient accent stripe */
.ntw-result-card::before {
    content: '';
    display: block;
    height: 4px;
    background: linear-gradient(135deg, #4f46e5, #06b6d4);
}

.ntw-result-inner {
    padding: 2rem 2rem 1.8rem;
}

/* ── Original number display ── */
.ntw-result-number-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.1rem;
    flex-wrap: wrap;
    gap: .5rem;
}

.ntw-result-number-label {
    font-size: .73rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: var(--text-muted);
}

.ntw-result-number-value {
    font-size: 1rem;
    font-weight: 800;
    color: var(--text);
    font-variant-numeric: tabular-nums;
    background: var(--primary-light);
    padding: .25rem .8rem;
    border-radius: 50px;
    border: 1px solid rgba(79,70,229,.15);
    letter-spacing: .02em;
}

/* ── Main result text — the star of the show ── */
.ntw-result-words-box {
    background: linear-gradient(135deg, #f8faff 0%, #eef2ff 100%);
    border: 1.5px solid rgba(79,70,229,.18);
    border-radius: var(--radius-lg);
    padding: 1.6rem 1.75rem;
    margin-bottom: 1.4rem;
    position: relative;
    overflow: hidden;
}

/* Subtle corner glow */
.ntw-result-words-box::after {
    content: '';
    position: absolute;
    top: -30px;
    right: -30px;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(79,70,229,.12) 0%, transparent 70%);
    pointer-events: none;
}

.ntw-result-words-section-label {
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--primary);
    margin: 0 0 .65rem;
    opacity: .8;
}

.ntw-result-words-main {
    font-size: clamp(1.1rem, 2.8vw, 1.4rem);
    font-weight: 700;
    color: var(--text);
    line-height: 1.55;
    margin: 0;
    word-break: break-word;
}

/* ── Variants grid (lowercase + sentence case) ── */
.ntw-variants-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .7rem;
    margin-bottom: 1.4rem;
}

.ntw-variant-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: .85rem 1rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.ntw-variant-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-xs);
}

.ntw-variant-label {
    font-size: .67rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .09em;
    color: var(--text-muted);
    margin: 0 0 .35rem;
}

.ntw-variant-text {
    font-size: .92rem;
    font-weight: 600;
    color: var(--text-soft);
    line-height: 1.5;
    margin: 0;
    word-break: break-word;
}

/* ── Divider ── */
.ntw-divider {
    height: 1px;
    background: var(--border);
    margin: 1.4rem 0;
}

/* ── Action row ── */
.ntw-action-row {
    display: flex;
    gap: .75rem;
    flex-wrap: wrap;
}

.btn-ntw-copy {
    flex: 1;
    min-width: 130px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .45rem;
    padding: .72rem 1rem;
    font-size: .88rem;
    font-weight: 700;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    border: none;
    background: linear-gradient(135deg, #4f46e5, #06b6d4);
    color: #fff;
    box-shadow: 0 3px 14px rgba(79,70,229,.32);
    letter-spacing: .01em;
}
.btn-ntw-copy:hover {
    opacity: .88;
    transform: translateY(-1px);
    box-shadow: 0 6px 22px rgba(79,70,229,.38);
}

.btn-ntw-share {
    flex: 1;
    min-width: 110px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .45rem;
    padding: .72rem 1rem;
    font-size: .88rem;
    font-weight: 700;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    border: none;
    background: linear-gradient(135deg, #10b981, #059669);
    color: #fff;
    box-shadow: 0 3px 14px rgba(16,185,129,.30);
    letter-spacing: .01em;
}
.btn-ntw-share:hover {
    opacity: .88;
    transform: translateY(-1px);
    box-shadow: 0 6px 22px rgba(16,185,129,.36);
}

.btn-ntw-reset {
    flex: 1;
    min-width: 100px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .45rem;
    padding: .72rem 1rem;
    font-size: .88rem;
    font-weight: 700;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    border: 1.5px solid var(--border);
    background: var(--bg);
    color: var(--text-muted);
    letter-spacing: .01em;
}
.btn-ntw-reset:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
}

/* ══════════════════════════════════════════════════════════════════
   TOAST
══════════════════════════════════════════════════════════════════ */
.ntw-toast {
    position: fixed;
    bottom: 1.8rem;
    left: 50%;
    transform: translateX(-50%) translateY(1.5rem);
    background: #0f172a;
    color: #fff;
    font-size: .9rem;
    font-weight: 600;
    padding: .75rem 1.4rem;
    border-radius: 50px;
    box-shadow: 0 8px 30px rgba(0,0,0,.22);
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity .25s ease, transform .25s ease;
    z-index: 9999;
}
.ntw-toast--visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}
.ntw-toast--error { background: #dc2626; }

/* ══════════════════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════════════════ */
@media (max-width: 540px) {
    .ntw-variants-grid        { grid-template-columns: 1fr; }
    .ntw-result-inner         { padding: 1.5rem 1.1rem 1.4rem; }
    .ntw-result-card          { border-radius: var(--radius-lg); }
    .tool-card                { border-radius: var(--radius-lg); }
    .ntw-result-words-box     { padding: 1.2rem 1.1rem; }
    .ntw-action-row > *       { min-width: 0; }

    /* Sponsor: 1 column on mobile */
    .sponsor-grid { grid-template-columns: 1fr; }
}

@media (min-width: 541px) and (max-width: 860px) {
    .sponsor-grid { grid-template-columns: repeat(2, 1fr); }
}