:root {
    --primary: #1a237e;
    --primary-dark: #000051;
    --primary-light: #534bae;
    --secondary: #d32f2f;
    --secondary-dark: #9a0007;
    --secondary-light: #ff6659;
    --accent: #ff9800;
    --accent-dark: #c66900;
    --accent-light: #ffc947;
    --success: #2e7d32;
    --warning: #ffa000;
    --danger: #d32f2f;
    --light: #f8f9fa;
    --dark: #212121;
    --gray: #757575;
    --gray-light: #e0e0e0;
    --gradient-primary: linear-gradient(135deg, #1a237e 0%, #283593 50%, #3949ab 100%);
    --gradient-accent: linear-gradient(135deg, #ff9800 0%, #ff5722 100%);
    --gradient-success: linear-gradient(135deg, #2e7d32 0%, #4caf50 100%);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --border-radius: 16px;
    --border-radius-sm: 10px;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    color: var(--dark);
    min-height: 100vh;
    padding: 30px 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    line-height: 1.6;
    font-size: 15px;
}

.main-container {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 30px;
    align-items: stretch;
}

.domain-panel {
    background: white;
    border-radius: var(--border-radius);
    padding: 40px 35px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.5);
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(10px);
}

.domain-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-accent);
    z-index: 2;
}

.badge {
    display: inline-block;
    background: var(--gradient-accent);
    color: white;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1.2px;
    margin-bottom: 25px;
    text-transform: uppercase;
    align-self: flex-start;
    box-shadow: 0 4px 12px rgba(255, 152, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

h1 {
    color: var(--primary);
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 12px;
    line-height: 1.3;
    letter-spacing: -0.5px;
}

.subtitle {
    color: var(--gray);
    font-size: 0.95rem;
    margin-bottom: 30px;
    font-weight: 400;
    line-height: 1.5;
}

.domain-url {
    font-family: 'Montserrat', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    margin: 25px 0;
    padding: 20px;
    background: linear-gradient(135deg, rgba(26, 35, 126, 0.02) 0%, rgba(26, 35, 126, 0.05) 100%);
    border-radius: var(--border-radius-sm);
    border: 2px solid rgba(26, 35, 126, 0.08);
    text-align: center;
    letter-spacing: 0.5px;
    color: var(--primary);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.domain-url:hover {
    border-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(26, 35, 126, 0.1);
}

.domain-url i {
    color: var(--primary-light);
    font-size: 1.8rem;
}

.price-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    margin: 30px 0;
}

.price-tag {
    background: var(--gradient-primary);
    color: white;
    font-size: 2.5rem;
    padding: 20px 35px;
    border-radius: var(--border-radius);
    font-weight: 800;
    box-shadow: 0 12px 30px rgba(26, 35, 126, 0.25);
    position: relative;
    overflow: hidden;
    width: 100%;
    max-width: 280px;
    text-align: center;
    border: 2px solid rgba(255, 255, 255, 0.15);
}

.price-tag::after {
    content: "USD";
    position: absolute;
    bottom: 12px;
    right: 15px;
    font-size: 0.85rem;
    opacity: 0.9;
    font-weight: 600;
}

.price-tag::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(rgba(255,255,255,0.1), transparent);
    transform: rotate(30deg);
}

.price-label {
    font-size: 0.9rem;
    color: var(--gray);
    font-weight: 500;
    text-align: center;
    line-height: 1.4;
}

.features {
    background: var(--light);
    padding: 25px;
    border-radius: var(--border-radius-sm);
    margin: 30px 0;
    border-left: 4px solid var(--accent);
}

.feature-item {
    display: flex;
    align-items: flex-start;
    margin: 18px 0;
    font-size: 0.95rem;
    padding: 10px 0;
    border-bottom: 1px solid rgba(0,0,0,0.04);
}

.feature-item:last-child {
    border-bottom: none;
}

.feature-item i {
    color: var(--success);
    margin-right: 15px;
    font-size: 1.2rem;
    background: rgba(46, 125, 50, 0.08);
    padding: 10px;
    border-radius: 50%;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-item span {
    flex: 1;
    padding-top: 2px;
}

.feature-item strong {
    color: var(--primary);
    display: block;
    margin-bottom: 4px;
    font-weight: 600;
    font-size: 0.95rem;
}

.offers-history {
    background: white;
    border-radius: var(--border-radius-sm);
    padding: 22px;
    margin-top: 25px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-light);
}

.offers-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--gray-light);
}

.offers-title h3 {
    color: var(--primary);
    font-family: 'Montserrat', sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.offer-badge {
    background: var(--gradient-success);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.offer-list {
    max-height: 220px;
    overflow-y: auto;
    padding-right: 10px;
}

.offer-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    margin-bottom: 10px;
    background: var(--light);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    border-left: 3px solid var(--primary);
}

.offer-item:hover {
    transform: translateX(3px);
    box-shadow: var(--shadow-sm);
}

.offer-item.highest {
    border-left-color: var(--accent);
    background: linear-gradient(90deg, rgba(255, 152, 0, 0.04) 0%, transparent 100%);
}

.offer-amount {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
}

.offer-amount.highest {
    color: var(--accent-dark);
}

.offer-details {
    text-align: right;
}

.offer-name {
    color: var(--gray);
    font-size: 0.85rem;
    margin-bottom: 3px;
    font-weight: 500;
}

.offer-date {
    color: var(--gray);
    font-size: 0.75rem;
    opacity: 0.8;
}

.offer-panel {
    background: white;
    border-radius: var(--border-radius);
    padding: 40px 35px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
}

.offer-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    z-index: 2;
}

.form-header {
    text-align: center;
    margin-bottom: 35px;
    padding-bottom: 25px;
    border-bottom: 1px solid rgba(0,0,0,0.08);
}

.form-header h2 {
    color: var(--primary);
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    margin-bottom: 12px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.form-header p {
    color: var(--gray);
    font-size: 0.95rem;
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.5;
}

.offer-form .form-group {
    margin-bottom: 22px;
}

.offer-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--primary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.offer-form label i {
    color: var(--primary-light);
    width: 18px;
    font-size: 0.9rem;
}

.offer-form input,
.offer-form textarea,
.offer-form select {
    width: 100%;
    padding: 14px 18px;
    border: 1.5px solid #e0e0e0;
    border-radius: var(--border-radius-sm);
    font-size: 0.95rem;
    font-family: 'Poppins', sans-serif;
    transition: var(--transition);
    background: white;
    color: var(--dark);
}

.offer-form input:focus,
.offer-form textarea:focus,
.offer-form select:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(26, 35, 126, 0.08);
}

.offer-amount {
    position: relative;
}

.currency {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    font-weight: 700;
    color: var(--primary);
    font-size: 1.1rem;
    z-index: 1;
}

.offer-amount input {
    padding-left: 45px;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
}

.min-offer-note {
    font-size: 0.85rem;
    color: var(--gray);
    margin-top: 6px;
    text-align: right;
    font-style: italic;
}

.input-with-icon {
    position: relative;
}

.input-icon {
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray);
    font-size: 0.95rem;
}

.submit-btn {
    width: 100%;
    padding: 18px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 15px;
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 0.3px;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.submit-btn:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(26, 35, 126, 0.25);
}

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

.submit-btn i {
    margin-right: 10px;
    font-size: 0.95rem;
}

.submit-btn::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(rgba(255,255,255,0.1), transparent);
    transform: rotate(30deg);
    transition: var(--transition);
}

.submit-btn:hover::after {
    animation: shine 1s ease;
}

@keyframes shine {
    0% { transform: rotate(30deg) translateX(-100%); }
    100% { transform: rotate(30deg) translateX(100%); }
}

.stats-bar {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 25px;
    background: var(--light);
    padding: 18px;
    border-radius: var(--border-radius-sm);
    border-top: 3px solid var(--primary);
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary);
    display: block;
    line-height: 1.2;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-top: 4px;
}

.form-note {
    text-align: center;
    margin-top: 25px;
    color: var(--gray);
    font-size: 0.85rem;
    line-height: 1.5;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

@media (max-width: 992px) {
    .main-container {
        grid-template-columns: 1fr;
        max-width: 700px;
        gap: 25px;
    }
    
    .domain-url {
        font-size: 1.7rem;
        padding: 18px;
    }
    
    .price-tag {
        font-size: 2.2rem;
        padding: 18px 30px;
        max-width: 250px;
    }
    
    h1 {
        font-size: 1.6rem;
    }
    
    .form-header h2 {
        font-size: 1.6rem;
    }
}

@media (max-width: 768px) {
    body {
        padding: 20px 15px;
        font-size: 14px;
    }
    
    .domain-panel,
    .offer-panel {
        padding: 30px 25px;
    }
    
    .domain-url {
        font-size: 1.5rem;
        padding: 16px;
        flex-direction: column;
        gap: 10px;
    }
    
    .price-tag {
        font-size: 1.9rem;
        max-width: 220px;
        padding: 16px 25px;
    }
    
    h1 {
        font-size: 1.4rem;
    }
    
    .form-header h2 {
        font-size: 1.4rem;
    }
    
    .stats-bar {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .feature-item i {
        width: 38px;
        height: 38px;
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .domain-panel,
    .offer-panel {
        padding: 25px 20px;
    }
    
    .badge {
        font-size: 0.7rem;
        padding: 6px 16px;
    }
    
    .domain-url {
        font-size: 1.3rem;
    }
    
    .price-tag {
        font-size: 1.7rem;
        padding: 14px 20px;
    }
    
    .feature-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .feature-item i {
        margin-right: 0;
    }
}

::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-light);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

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

.domain-panel, .offer-panel {
    animation: fadeIn 0.6s ease-out;
}