/**
 * Nabd Tools Pro - Premium Styles
 * @version 3.0.0
 */

/* =============================================
   CSS Variables
   ============================================= */
:root {
    --nabd-primary: #1e3a5f;
    --nabd-primary-light: #2d5a8a;
    --nabd-primary-dark: #0f1f33;
    --nabd-secondary: #c9a227;
    --nabd-secondary-light: #dbb94a;
    --nabd-gold: #fbbf24;
    --nabd-gold-dark: #d4a017;
    --nabd-success: #10b981;
    --nabd-error: #ef4444;
    --nabd-warning: #f59e0b;
    --nabd-white: #ffffff;
    --nabd-bg: #f8f9fa;
    --nabd-card-bg: #ffffff;
    --nabd-text: #1a1a2e;
    --nabd-text-light: #6b7280;
    --nabd-text-muted: #9ca3af;
    --nabd-border: #e5e7eb;
    --nabd-radius: 12px;
    --nabd-radius-sm: 8px;
    --nabd-radius-lg: 16px;
    --nabd-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --nabd-shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
    --nabd-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --nabd-font: 'Tajawal', -apple-system, sans-serif;
}

/* =============================================
   Base Tool Card
   ============================================= */
.nabd-tool {
    font-family: var(--nabd-font);
    background: var(--nabd-card-bg);
    border-radius: var(--nabd-radius);
    box-shadow: var(--nabd-shadow);
    margin: 20px auto;
    max-width: 500px;
    width: 100%;
    overflow: hidden;
    direction: rtl;
    text-align: right;
    border: 1px solid var(--nabd-border);
}

.nabd-tool *, .nabd-tool *::before, .nabd-tool *::after {
    box-sizing: border-box;
}

/* =============================================
   Tool Headers
   ============================================= */
.nabd-tool__header {
    background: linear-gradient(135deg, var(--nabd-primary) 0%, var(--nabd-primary-light) 100%);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 14px;
    position: relative;
}

.nabd-tool__header--gold { background: linear-gradient(135deg, #92400e 0%, #b45309 100%); }
.nabd-tool__header--currency { background: linear-gradient(135deg, #065f46 0%, #047857 100%); }
.nabd-tool__header--salary { background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%); }
.nabd-tool__header--eos { background: linear-gradient(135deg, #5b21b6 0%, #7c3aed 100%); }
.nabd-tool__header--loan { background: linear-gradient(135deg, #0e7490 0%, #06b6d4 100%); }
.nabd-tool__header--vat { background: linear-gradient(135deg, #be123c 0%, #f43f5e 100%); }
.nabd-tool__header--zakat { background: linear-gradient(135deg, #166534 0%, #22c55e 100%); }
.nabd-tool__header--countdown { background: linear-gradient(135deg, #7c2d12 0%, #ea580c 100%); }

.nabd-tool__icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--nabd-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.nabd-tool__icon svg {
    width: 24px;
    height: 24px;
    color: var(--nabd-secondary);
}

.nabd-tool__title-wrap { flex: 1; }

.nabd-tool__title {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--nabd-white);
}

.nabd-tool__subtitle {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: rgba(255,255,255,0.8);
    margin-top: 4px;
}

.nabd-update-dot {
    width: 8px;
    height: 8px;
    background: var(--nabd-success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.nabd-refresh-btn {
    background: rgba(255,255,255,0.15);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--nabd-transition);
}

.nabd-refresh-btn:hover {
    background: rgba(255,255,255,0.25);
    transform: rotate(180deg);
}

.nabd-refresh-btn svg {
    width: 18px;
    height: 18px;
    color: var(--nabd-white);
}

.nabd-tool__body {
    padding: 24px;
}

/* =============================================
   Form Elements
   ============================================= */
.nabd-form-group {
    margin-bottom: 16px;
}

.nabd-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.nabd-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--nabd-text);
    margin-bottom: 8px;
}

.nabd-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.nabd-input, .nabd-select {
    width: 100%;
    padding: 14px 16px;
    font-size: 15px;
    font-family: var(--nabd-font);
    border: 2px solid var(--nabd-border);
    border-radius: var(--nabd-radius-sm);
    background: var(--nabd-bg);
    color: var(--nabd-text);
    transition: var(--nabd-transition);
    direction: rtl;
}

.nabd-input-wrap .nabd-input { padding-left: 60px; }

.nabd-input-suffix {
    position: absolute;
    left: 16px;
    font-size: 13px;
    font-weight: 600;
    color: var(--nabd-text-muted);
}

.nabd-input:focus, .nabd-select:focus {
    outline: none;
    border-color: var(--nabd-primary);
    background: var(--nabd-white);
    box-shadow: 0 0 0 4px rgba(30, 58, 95, 0.1);
}

.nabd-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 14px center;
    background-size: 16px;
    padding-left: 44px;
    cursor: pointer;
}

/* =============================================
   Country Selector
   ============================================= */
.nabd-country-selector {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.nabd-country-option input { display: none; }

.nabd-country-option__box {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 8px;
    background: var(--nabd-bg);
    border: 2px solid var(--nabd-border);
    border-radius: var(--nabd-radius-sm);
    cursor: pointer;
    transition: var(--nabd-transition);
}

.nabd-country-option input:checked + .nabd-country-option__box {
    border-color: var(--nabd-primary);
    background: rgba(30, 58, 95, 0.05);
}

.nabd-country-option__flag { font-size: 24px; }

.nabd-country-option__name {
    font-size: 11px;
    font-weight: 600;
    color: var(--nabd-text-light);
    margin-top: 4px;
}

/* =============================================
   Buttons
   ============================================= */
.nabd-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px 24px;
    font-size: 15px;
    font-weight: 700;
    font-family: var(--nabd-font);
    border: none;
    border-radius: var(--nabd-radius-sm);
    cursor: pointer;
    transition: var(--nabd-transition);
}

.nabd-btn--primary {
    background: linear-gradient(135deg, var(--nabd-secondary) 0%, var(--nabd-gold-dark) 100%);
    color: var(--nabd-white);
    box-shadow: 0 4px 15px rgba(201, 162, 39, 0.35);
}

.nabd-btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(201, 162, 39, 0.45);
}

.nabd-btn svg { width: 18px; height: 18px; }

.nabd-swap-btn {
    width: 40px;
    height: 40px;
    background: var(--nabd-bg);
    border: 2px solid var(--nabd-border);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--nabd-transition);
}

.nabd-swap-btn:hover {
    background: var(--nabd-primary);
    border-color: var(--nabd-primary);
    color: var(--nabd-white);
}

/* =============================================
   Gold Prices Table
   ============================================= */
.nabd-gold-banner {
    display: flex;
    justify-content: center;
    gap: 30px;
    padding: 16px;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-radius: var(--nabd-radius-sm);
    margin-bottom: 20px;
}

.nabd-gold-banner__item { text-align: center; }

.nabd-gold-banner__label {
    display: block;
    font-size: 12px;
    color: #92400e;
    font-weight: 600;
}

.nabd-gold-banner__value {
    font-size: 24px;
    font-weight: 800;
    color: #78350f;
}

.nabd-gold-banner__divider {
    width: 1px;
    background: rgba(120, 53, 15, 0.2);
}

/* Tabs */
.nabd-tabs__nav {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    padding-bottom: 12px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--nabd-border);
}

.nabd-tabs__btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: transparent;
    border: none;
    border-radius: var(--nabd-radius-sm);
    font-family: var(--nabd-font);
    font-size: 13px;
    font-weight: 600;
    color: var(--nabd-text-light);
    cursor: pointer;
    white-space: nowrap;
    transition: var(--nabd-transition);
}

.nabd-tabs__btn:hover { background: var(--nabd-bg); }

.nabd-tabs__btn--active {
    background: var(--nabd-primary);
    color: var(--nabd-white);
}

.nabd-flag { font-size: 16px; }

/* Prices Table */
.nabd-gold-prices__table { margin-top: 12px; }

.nabd-gold-prices__table table {
    width: 100%;
    border-collapse: collapse;
}

.nabd-gold-prices__table th,
.nabd-gold-prices__table td {
    padding: 12px;
    text-align: center;
    border-bottom: 1px solid var(--nabd-border);
}

.nabd-gold-prices__table th {
    background: var(--nabd-bg);
    font-size: 12px;
    font-weight: 600;
    color: var(--nabd-text-light);
}

.nabd-gold-row td:first-child { text-align: right; }

.nabd-karat-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    margin-left: 8px;
}

.nabd-karat-badge--24 { background: #fef3c7; color: #92400e; }
.nabd-karat-badge--22 { background: #fef9c3; color: #854d0e; }
.nabd-karat-badge--21 { background: #fefce8; color: #713f12; }
.nabd-karat-badge--18 { background: #f5f5f4; color: #57534e; }

.nabd-price {
    font-weight: 700;
    font-feature-settings: "tnum";
    color: var(--nabd-primary);
}

/* =============================================
   Currency Grid
   ============================================= */
.nabd-currency-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin: 20px 0;
}

.nabd-currency-card {
    background: var(--nabd-bg);
    border-radius: var(--nabd-radius-sm);
    padding: 14px;
    transition: var(--nabd-transition);
}

.nabd-currency-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--nabd-shadow);
}

.nabd-currency-card__header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.nabd-currency-card__flag { font-size: 24px; }

.nabd-currency-card__code {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: var(--nabd-text);
}

.nabd-currency-card__name {
    font-size: 11px;
    color: var(--nabd-text-muted);
}

.nabd-currency-card__value {
    font-size: 18px;
    font-weight: 700;
    color: var(--nabd-primary);
}

.nabd-currency-card__inverse {
    font-size: 11px;
    color: var(--nabd-text-light);
    margin-top: 4px;
}

/* =============================================
   Result Cards
   ============================================= */
.nabd-result-card {
    background: linear-gradient(135deg, var(--nabd-bg) 0%, var(--nabd-white) 100%);
    border: 2px solid var(--nabd-secondary);
    border-radius: var(--nabd-radius);
    padding: 24px;
    text-align: center;
    margin: 20px 0;
    animation: fadeIn 0.4s ease;
}

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

.nabd-result-card__header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 12px;
}

.nabd-result-card__icon { font-size: 28px; }

.nabd-result-card__title {
    font-size: 14px;
    font-weight: 600;
    color: var(--nabd-text-light);
}

.nabd-result-card__value {
    font-size: 36px;
    font-weight: 800;
    color: var(--nabd-primary);
    font-feature-settings: "tnum";
}

.nabd-result-card__currency {
    font-size: 14px;
    color: var(--nabd-text-light);
    margin-top: 4px;
}

/* =============================================
   Breakdown
   ============================================= */
.nabd-breakdown {
    background: var(--nabd-bg);
    border-radius: var(--nabd-radius);
    overflow: hidden;
    margin-top: 16px;
}

.nabd-breakdown__section {
    padding: 16px;
}

.nabd-breakdown__section--deductions {
    background: #fef2f2;
}

.nabd-breakdown__title {
    font-size: 12px;
    font-weight: 700;
    color: var(--nabd-text-light);
    text-transform: uppercase;
    margin: 0 0 12px;
}

.nabd-breakdown__item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    font-size: 14px;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.nabd-breakdown__item:last-child { border: none; }

.nabd-breakdown__item--deduction span:last-child { color: var(--nabd-error); }

.nabd-breakdown__item--subtotal {
    font-weight: 600;
    background: rgba(0,0,0,0.03);
    margin: 0 -16px;
    padding: 12px 16px;
}

.nabd-breakdown__total {
    display: flex;
    justify-content: space-between;
    padding: 16px;
    background: linear-gradient(135deg, var(--nabd-primary) 0%, var(--nabd-primary-light) 100%);
    color: var(--nabd-white);
    font-weight: 700;
}

.nabd-breakdown__total span:last-child {
    font-size: 20px;
}

/* =============================================
   VAT Calculator
   ============================================= */
.nabd-vat-overview {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 20px;
}

.nabd-vat-country {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 8px;
    background: var(--nabd-bg);
    border-radius: var(--nabd-radius-sm);
}

.nabd-vat-country--no-vat { background: #ecfdf5; }

.nabd-vat-country__flag { font-size: 20px; }

.nabd-vat-country__name {
    font-size: 11px;
    color: var(--nabd-text-light);
}

.nabd-vat-country__rate {
    font-size: 16px;
    font-weight: 700;
    color: var(--nabd-error);
    margin-top: 4px;
}

.nabd-vat-country--no-vat .nabd-vat-country__rate { color: var(--nabd-success); }

.nabd-radio-group--buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.nabd-radio-btn input { display: none; }

.nabd-radio-btn span {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    background: var(--nabd-bg);
    border: 2px solid var(--nabd-border);
    border-radius: var(--nabd-radius-sm);
    cursor: pointer;
    font-weight: 600;
    transition: var(--nabd-transition);
}

.nabd-radio-btn input:checked + span {
    background: var(--nabd-primary);
    border-color: var(--nabd-primary);
    color: var(--nabd-white);
}

.nabd-vat-result__cards {
    display: grid;
    gap: 12px;
    margin: 20px 0;
}

.nabd-vat-result__card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background: var(--nabd-bg);
    border-radius: var(--nabd-radius-sm);
}

.nabd-vat-result__card--tax { background: #fef2f2; }
.nabd-vat-result__card--total { 
    background: linear-gradient(135deg, var(--nabd-primary) 0%, var(--nabd-primary-light) 100%);
    color: var(--nabd-white);
}

.nabd-vat-result__value {
    font-size: 20px;
    font-weight: 700;
}

.nabd-vat-formula {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px;
    background: var(--nabd-bg);
    border-radius: var(--nabd-radius-sm);
    font-size: 18px;
    font-weight: 600;
}

.nabd-vat-formula__op { color: var(--nabd-text-muted); }

.nabd-vat-formula__item--total { color: var(--nabd-primary); }

/* =============================================
   Loan Calculator
   ============================================= */
.nabd-loan-types {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.nabd-loan-type input { display: none; }

.nabd-loan-type__box {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px 12px;
    background: var(--nabd-bg);
    border: 2px solid var(--nabd-border);
    border-radius: var(--nabd-radius-sm);
    cursor: pointer;
    transition: var(--nabd-transition);
}

.nabd-loan-type input:checked + .nabd-loan-type__box {
    border-color: var(--nabd-primary);
    background: rgba(30, 58, 95, 0.05);
}

.nabd-loan-type__icon { font-size: 28px; }

.nabd-loan-type__name {
    font-size: 13px;
    font-weight: 600;
    margin-top: 6px;
}

.nabd-quick-amounts {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.nabd-quick-btn {
    flex: 1;
    padding: 8px;
    background: var(--nabd-bg);
    border: 1px solid var(--nabd-border);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--nabd-transition);
}

.nabd-quick-btn:hover {
    background: var(--nabd-primary);
    color: var(--nabd-white);
    border-color: var(--nabd-primary);
}

.nabd-slider-group {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nabd-slider {
    flex: 1;
    height: 6px;
    appearance: none;
    background: var(--nabd-border);
    border-radius: 3px;
    outline: none;
}

.nabd-slider::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--nabd-primary);
    border-radius: 50%;
    cursor: pointer;
}

.nabd-slider-value {
    display: flex;
    align-items: center;
    gap: 4px;
    min-width: 80px;
}

.nabd-slider-value .nabd-input {
    width: 60px;
    padding: 8px;
    text-align: center;
}

.nabd-result-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.nabd-result-mini {
    background: var(--nabd-bg);
    padding: 16px;
    border-radius: var(--nabd-radius-sm);
    text-align: center;
}

.nabd-result-mini__label {
    display: block;
    font-size: 12px;
    color: var(--nabd-text-light);
    margin-bottom: 6px;
}

.nabd-result-mini__value {
    font-size: 18px;
    font-weight: 700;
    color: var(--nabd-text);
}

.nabd-result-mini__value--accent { color: var(--nabd-error); }

.nabd-loan-chart {
    margin: 20px 0;
    padding: 16px;
    background: var(--nabd-bg);
    border-radius: var(--nabd-radius-sm);
}

.nabd-loan-chart__title {
    font-size: 13px;
    font-weight: 600;
    margin: 0 0 12px;
}

.nabd-loan-chart__bar {
    display: flex;
    height: 24px;
    border-radius: 12px;
    overflow: hidden;
}

.nabd-loan-chart__principal { background: var(--nabd-primary); }
.nabd-loan-chart__interest { background: var(--nabd-secondary); }

.nabd-loan-chart__legend {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 12px;
    font-size: 12px;
}

.nabd-loan-chart__legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nabd-loan-chart__legend-item span:first-child {
    width: 12px;
    height: 12px;
    border-radius: 3px;
}

.nabd-loan-chart__legend-item--principal span:first-child { background: var(--nabd-primary); }
.nabd-loan-chart__legend-item--interest span:first-child { background: var(--nabd-secondary); }

/* =============================================
   Countdown
   ============================================= */
.nabd-event {
    text-align: center;
    padding: 8px 0;
}

.nabd-event__badge { font-size: 48px; }

.nabd-event__name {
    margin: 12px 0 8px;
    font-size: 20px;
    font-weight: 700;
    color: var(--nabd-primary);
}

.nabd-event__location {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 14px;
    color: var(--nabd-text-light);
    margin-bottom: 20px;
}

.nabd-countdown {
    display: flex;
    justify-content: center;
    gap: 8px;
    direction: ltr;
}

.nabd-countdown__item {
    background: var(--nabd-primary);
    border-radius: var(--nabd-radius-sm);
    padding: 14px 12px;
    min-width: 65px;
    text-align: center;
}

.nabd-countdown__value {
    font-size: 28px;
    font-weight: 800;
    color: var(--nabd-white);
    font-feature-settings: "tnum";
}

.nabd-countdown__label {
    font-size: 10px;
    font-weight: 600;
    color: var(--nabd-secondary);
    text-transform: uppercase;
}

.nabd-countdown__sep {
    font-size: 24px;
    font-weight: 700;
    color: var(--nabd-primary);
    padding-top: 10px;
}

/* =============================================
   Info & Details
   ============================================= */
.nabd-info {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 14px 16px;
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.05) 0%, rgba(30, 58, 95, 0.02) 100%);
    border-radius: var(--nabd-radius-sm);
    border-right: 4px solid var(--nabd-primary);
    margin: 16px 0;
    font-size: 13px;
    color: var(--nabd-text-light);
}

.nabd-info--small { font-size: 12px; padding: 12px; }

.nabd-info--success {
    background: #ecfdf5;
    border-color: var(--nabd-success);
    color: #065f46;
}

.nabd-calc-details {
    margin-top: 16px;
}

.nabd-calc-details summary {
    cursor: pointer;
    padding: 12px;
    background: var(--nabd-bg);
    border-radius: var(--nabd-radius-sm);
    font-weight: 600;
    font-size: 13px;
}

.nabd-calc-details__content {
    padding: 16px;
    background: var(--nabd-bg);
    border-radius: 0 0 var(--nabd-radius-sm) var(--nabd-radius-sm);
    font-size: 13px;
    line-height: 1.8;
}

/* =============================================
   Utilities
   ============================================= */
.nabd-hidden { display: none !important; }

/* =============================================
   Responsive
   ============================================= */
@media (max-width: 600px) {
    .nabd-tool { margin: 12px; }
    .nabd-tool__body { padding: 16px; }
    .nabd-form-row { grid-template-columns: 1fr; }
    .nabd-country-selector { grid-template-columns: repeat(2, 1fr); }
    .nabd-vat-overview { grid-template-columns: repeat(2, 1fr); }
    .nabd-currency-grid { grid-template-columns: repeat(2, 1fr); }
    .nabd-result-card__value { font-size: 28px; }
    .nabd-countdown__item { min-width: 55px; padding: 10px 8px; }
    .nabd-countdown__value { font-size: 22px; }
}

@media (hover: none) {
    .nabd-btn, .nabd-input, .nabd-select { min-height: 52px; }
}