/* =========================================
   RG Currency Converter – Stylesheet
   Dark/Professional + Gold Accent Theme
   ========================================= */

:root {
    --rg-bg-deep:      #0d0f14;
    --rg-bg-card:      #141720;
    --rg-bg-input:     #1c2030;
    --rg-bg-hover:     #222840;
    --rg-border:       #2a2f45;
    --rg-border-focus: #C9A84C;
    --rg-gold:         #C9A84C;
    --rg-gold-light:   #e0c070;
    --rg-gold-dark:    #a8842c;
    --rg-text-primary: #f0f2f8;
    --rg-text-muted:   #7a8199;
    --rg-text-label:   #a0a8c0;
    --rg-green:        #2ecc71;
    --rg-red:          #e74c3c;
    --rg-radius:       12px;
    --rg-radius-sm:    8px;
    --rg-transition:   0.2s ease;
    --rg-shadow:       0 8px 40px rgba(0, 0, 0, 0.5);
    --rg-gold-glow:    0 0 20px rgba(201, 168, 76, 0.15);
}

/* ---- Wrapper ---- */
.rg-cc-wrapper {
    width: 100%;
    max-width: 720px;
    margin: 0 auto;
    padding: 0 16px 40px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
    color: var(--rg-text-primary);
    box-sizing: border-box;
}

.rg-cc-wrapper *,
.rg-cc-wrapper *::before,
.rg-cc-wrapper *::after {
    box-sizing: inherit;
}

/* ---- Header ---- */
.rg-cc-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 28px;
    padding-top: 8px;
}

.rg-cc-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: rgba(201, 168, 76, 0.1);
    border: 1px solid rgba(201, 168, 76, 0.3);
    border-radius: 14px;
}

.rg-cc-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--rg-text-primary);
    margin: 0 0 4px;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.rg-cc-subtitle {
    font-size: 0.85rem;
    color: var(--rg-text-muted);
    margin: 0;
}

/* ---- Card ---- */
.rg-cc-card {
    background: var(--rg-bg-card);
    border: 1px solid var(--rg-border);
    border-radius: var(--rg-radius);
    padding: 32px 28px 28px;
    box-shadow: var(--rg-shadow), var(--rg-gold-glow);
    position: relative;
    overflow: hidden;
}

/* Subtle gold top-border glow line */
.rg-cc-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--rg-gold), transparent);
    opacity: 0.7;
}

/* ---- Row layout ---- */
.rg-cc-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 4px;
}

/* ---- Field ---- */
.rg-cc-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.rg-cc-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--rg-text-label);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

/* ---- Input ---- */
.rg-cc-input {
    width: 100%;
    background: var(--rg-bg-input);
    border: 1px solid var(--rg-border);
    border-radius: var(--rg-radius-sm);
    padding: 13px 16px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--rg-text-primary);
    outline: none;
    transition: border-color var(--rg-transition), box-shadow var(--rg-transition);
    -moz-appearance: textfield;
}

.rg-cc-input::-webkit-outer-spin-button,
.rg-cc-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.rg-cc-input:focus {
    border-color: var(--rg-border-focus);
    box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.15);
}

/* ---- Select ---- */
.rg-cc-select-wrap {
    position: relative;
}

.rg-cc-select-wrap::after {
    content: '';
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 6px solid var(--rg-gold);
    pointer-events: none;
}

.rg-cc-select {
    width: 100%;
    background: var(--rg-bg-input);
    border: 1px solid var(--rg-border);
    border-radius: var(--rg-radius-sm);
    padding: 13px 40px 13px 16px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--rg-text-primary);
    outline: none;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    transition: border-color var(--rg-transition), box-shadow var(--rg-transition);
}

.rg-cc-select:focus {
    border-color: var(--rg-border-focus);
    box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.15);
}

.rg-cc-select option {
    background: #1c2030;
    color: var(--rg-text-primary);
}

/* ---- Swap row ---- */
.rg-cc-swap-row {
    display: flex;
    justify-content: center;
    padding: 10px 0;
}

.rg-cc-swap {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(201, 168, 76, 0.1);
    border: 1px solid rgba(201, 168, 76, 0.35);
    border-radius: 50px;
    padding: 8px 20px;
    color: var(--rg-gold);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    cursor: pointer;
    transition: background var(--rg-transition), transform var(--rg-transition), box-shadow var(--rg-transition);
}

.rg-cc-swap:hover {
    background: rgba(201, 168, 76, 0.2);
    box-shadow: 0 0 12px rgba(201, 168, 76, 0.2);
    transform: scale(1.03);
}

.rg-cc-swap:active {
    transform: scale(0.97);
}

/* ---- Result ---- */
.rg-cc-result-wrap {
    background: var(--rg-bg-input);
    border: 1px solid var(--rg-border);
    border-radius: var(--rg-radius-sm);
    padding: 13px 16px;
    min-height: 50px;
    display: flex;
    align-items: center;
}

.rg-cc-result {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--rg-gold-light);
    word-break: break-all;
}

.rg-cc-result.rg-loading {
    color: var(--rg-text-muted);
    font-weight: 400;
    font-size: 0.9rem;
}

/* ---- Rate line ---- */
.rg-cc-rate-line {
    font-size: 0.82rem;
    color: var(--rg-text-muted);
    text-align: center;
    padding: 10px 0 6px;
    min-height: 26px;
    letter-spacing: 0.02em;
}

.rg-cc-rate-line strong {
    color: var(--rg-gold);
}

/* ---- Convert Button ---- */
.rg-cc-btn {
    width: 100%;
    margin-top: 18px;
    padding: 15px;
    background: linear-gradient(135deg, var(--rg-gold-dark), var(--rg-gold), var(--rg-gold-light));
    background-size: 200% 200%;
    background-position: left center;
    border: none;
    border-radius: var(--rg-radius-sm);
    color: #0d0f14;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: background-position 0.4s ease, box-shadow var(--rg-transition), transform var(--rg-transition);
    position: relative;
}

.rg-cc-btn:hover {
    background-position: right center;
    box-shadow: 0 4px 24px rgba(201, 168, 76, 0.4);
    transform: translateY(-1px);
}

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

.rg-cc-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Spinner */
.rg-cc-btn-spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(13, 15, 20, 0.3);
    border-top-color: #0d0f14;
    border-radius: 50%;
    animation: rg-spin 0.7s linear infinite;
}

.rg-cc-btn.rg-loading .rg-cc-btn-spinner {
    display: inline-block;
}

.rg-cc-btn.rg-loading .rg-cc-btn-text {
    opacity: 0.7;
}

@keyframes rg-spin {
    to { transform: rotate(360deg); }
}

/* ---- Error ---- */
.rg-cc-error {
    margin-top: 14px;
    padding: 12px 16px;
    background: rgba(231, 76, 60, 0.1);
    border: 1px solid rgba(231, 76, 60, 0.35);
    border-radius: var(--rg-radius-sm);
    color: #ff6b6b;
    font-size: 0.88rem;
    text-align: center;
}

/* ---- Attribution ---- */
.rg-cc-attribution {
    text-align: center;
    font-size: 0.75rem;
    color: var(--rg-text-muted);
    margin-top: 18px;
    margin-bottom: 0;
}

.rg-cc-attribution a {
    color: var(--rg-gold);
    text-decoration: none;
}

.rg-cc-attribution a:hover {
    text-decoration: underline;
}

/* ---- Responsive ---- */
@media (max-width: 520px) {
    .rg-cc-card {
        padding: 22px 16px 20px;
    }

    .rg-cc-row {
        grid-template-columns: 1fr;
    }

    .rg-cc-title {
        font-size: 1.3rem;
    }

    .rg-cc-header {
        gap: 12px;
    }

    .rg-cc-icon {
        width: 46px;
        height: 46px;
    }
}