/* =============================================
   RANDOM NUMBER GENERATOR — random_number.css
   Tool-specific styles only.
   Common styles are in tool.css
   ============================================= */

.rng-calc { width: 100%; }

/* Shared reuse */
.bmi-radio-label { display: flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 500; color: var(--text); cursor: pointer; }
.bmi-radio-label input[type="radio"] { width: 18px; height: 18px; accent-color: var(--teal); cursor: pointer; }
.rng-radio-group { display: flex; gap: 24px; padding: 6px 0; }

/* Input */
.rng-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 15px;
    font-family: var(--font-mono);
    color: var(--text);
    background: var(--white);
    outline: none;
    transition: border-color 0.2s;
    box-sizing: border-box;
}
.rng-input:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(0,201,167,0.1); }

/* Result box */
.rng-result-box {
    margin-top: 24px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.rng-result-header {
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy2) 100%);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    padding: 10px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.rng-result-content {
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    background: var(--white);
}

/* Single big number */
.rng-number {
    font-size: 64px;
    font-weight: 700;
    color: var(--teal);
    font-family: var(--font-mono);
    letter-spacing: -2px;
    line-height: 1;
    text-align: center;
}

/* Pop animation */
@keyframes rngPop {
    0%   { transform: scale(0.7); opacity: 0; }
    70%  { transform: scale(1.1); }
    100% { transform: scale(1);   opacity: 1; }
}
.rng-pop { animation: rngPop 0.35s cubic-bezier(0.34, 1.56, 0.64, 1) forwards; }

/* Regen button */
.rng-regen-btn {
    padding: 8px 20px;
    background: var(--light);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--navy);
    cursor: pointer;
    font-family: var(--font-main);
    transition: all 0.2s;
}
.rng-regen-btn:hover { background: var(--teal); color: var(--navy); border-color: var(--teal); }
.rng-regen-header {
    background: rgba(255,255,255,0.12);
    border-color: rgba(255,255,255,0.25);
    color: #fff;
    font-size: 13px;
    padding: 6px 14px;
}
.rng-regen-header:hover { background: rgba(255,255,255,0.22); color: #fff; }

/* Multi number grid */
.rng-multi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 10px;
    width: 100%;
    padding: 16px;
}
.rng-multi-item {
    background: var(--light);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.rng-multi-index {
    font-size: 11px;
    font-weight: 700;
    color: var(--muted);
    min-width: 18px;
}
.rng-multi-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--teal);
    font-family: var(--font-mono);
}

/* Stats row */
.rng-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    width: 100%;
    border-top: 1px solid var(--border);
    border-left: 1px solid var(--border);
}
.rng-stat-item {
    padding: 12px 16px;
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: var(--light);
}
.rng-stat-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.rng-stat-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--navy);
    font-family: var(--font-mono);
}

@media (max-width: 600px) {
    .rng-number { font-size: 48px; }
    .rng-stats { grid-template-columns: repeat(2, 1fr); }
    .rng-multi-grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }
}