/* Enhanced Purchase Flow for Dreamle Mining */
/* 增强版购买流程用户体验 */

/* === Purchase Flow Variables === */
:root {
    --purchase-primary: #00ff88;
    --purchase-secondary: #00d4aa;
    --purchase-accent: #0099cc;
    --purchase-warning: #fbbf24;
    --purchase-error: #ef4444;
    --purchase-success: #10b981;
    
    --purchase-bg: rgba(26, 26, 46, 0.9);
    --purchase-card: rgba(255, 255, 255, 0.05);
    --purchase-border: rgba(0, 255, 136, 0.2);
    --purchase-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    
    --purchase-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --purchase-bounce: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* === Enhanced Purchase Container === */
.purchase-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

@media (max-width: 768px) {
    .purchase-container {
        padding: 16px;
    }
}

/* === Miner Selection Enhancement === */
.miner-selection-card {
    background: var(--purchase-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--purchase-border);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 24px;
    transition: var(--purchase-transition);
    position: relative;
    overflow: hidden;
}

.miner-selection-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--purchase-primary), var(--purchase-secondary), var(--purchase-accent));
    opacity: 0;
    transition: var(--purchase-transition);
}

.miner-selection-card:hover::before {
    opacity: 1;
}

.miner-selection-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--purchase-shadow);
    border-color: var(--purchase-primary);
}

/* === Enhanced Miner Level Select === */
.miner-level-selector {
    position: relative;
    margin-bottom: 20px;
}

.select-field {
    width: 100%;
    padding: 16px 20px;
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid var(--purchase-border);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 500;
    transition: var(--purchase-transition);
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    cursor: pointer;
    position: relative;
    z-index: 1;
}

.select-field:focus {
    outline: none;
    border-color: var(--purchase-primary);
    box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.1);
}

.select-field:hover {
    border-color: var(--purchase-secondary);
}

/* Custom dropdown arrow */
.miner-level-selector::after {
    content: '▼';
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--purchase-primary);
    pointer-events: none;
    font-size: 12px;
    z-index: 2;
}

/* === Miner Preview Card === */
.miner-preview {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.1), rgba(0, 212, 170, 0.1));
    border: 1px solid var(--purchase-primary);
    border-radius: 12px;
    padding: 20px;
    margin: 16px 0;
    text-align: center;
    transition: var(--purchase-transition);
}

.miner-preview:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 25px rgba(0, 255, 136, 0.2);
}

.miner-preview-image {
    width: 80px;
    height: 80px;
    margin: 0 auto 12px;
    border-radius: 12px;
    overflow: hidden;
    border: 2px solid var(--purchase-primary);
}

.miner-preview-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.miner-preview-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--purchase-primary);
    margin-bottom: 8px;
}

.miner-preview-stats {
    display: flex;
    justify-content: space-around;
    margin-top: 12px;
}

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

.miner-stat-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.miner-stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* === Enhanced Purchase Options === */
.purchase-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 24px;
}

@media (max-width: 768px) {
    .purchase-options {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

.purchase-option-card {
    background: var(--purchase-card);
    border: 1px solid var(--purchase-border);
    border-radius: 16px;
    padding: 24px;
    transition: var(--purchase-transition);
    position: relative;
    overflow: hidden;
}

.purchase-option-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--purchase-primary), var(--purchase-secondary));
    transform: scaleX(0);
    transition: var(--purchase-transition);
}

.purchase-option-card:hover::before {
    transform: scaleX(1);
}

.purchase-option-card:hover {
    transform: translateY(-2px);
    border-color: var(--purchase-primary);
    box-shadow: 0 8px 25px rgba(0, 255, 136, 0.15);
}

.purchase-option-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.purchase-price-display {
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--purchase-primary);
    border-radius: 8px;
    padding: 12px;
    text-align: center;
    margin-bottom: 16px;
}

.purchase-price-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--purchase-primary);
}

.purchase-price-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* === Enhanced Purchase Buttons === */
.purchase-button {
    width: 100%;
    padding: 16px 24px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--purchase-transition);
    position: relative;
    overflow: hidden;
    margin-bottom: 12px;
    min-height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.purchase-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.purchase-button:hover::before {
    left: 100%;
}

.purchase-button:active {
    transform: scale(0.98);
}

.purchase-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Button Variants */
.btn-authorize {
    background: linear-gradient(135deg, #17a2b8, #138496);
    color: white;
    border: 2px solid #17a2b8;
}

.btn-authorize:hover {
    background: linear-gradient(135deg, #138496, #117a8b);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(23, 162, 184, 0.3);
}

.btn-purchase {
    background: linear-gradient(135deg, var(--purchase-primary), var(--purchase-secondary));
    color: #000;
    border: 2px solid var(--purchase-primary);
    font-weight: 700;
}

.btn-purchase:hover {
    background: linear-gradient(135deg, var(--purchase-secondary), var(--purchase-accent));
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 255, 136, 0.4);
}

.btn-one-click {
    background: linear-gradient(135deg, var(--purchase-accent), var(--purchase-primary));
    color: white;
    border: 2px solid var(--purchase-accent);
    position: relative;
}

.btn-one-click::after {
    content: '⚡';
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2rem;
    animation: pulse 2s infinite;
}

.btn-one-click:hover {
    background: linear-gradient(135deg, var(--purchase-primary), var(--purchase-accent));
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 153, 204, 0.4);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* === Referrer Input Enhancement === */
.referrer-input-container {
    margin-bottom: 24px;
}

.referrer-input {
    width: 100%;
    padding: 16px 20px;
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid var(--purchase-border);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 16px;
    transition: var(--purchase-transition);
}

.referrer-input:focus {
    outline: none;
    border-color: var(--purchase-primary);
    box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.1);
}

.referrer-input::placeholder {
    color: var(--text-secondary);
}

/* === Purchase Status Messages === */
.purchase-status {
    padding: 16px 20px;
    border-radius: 12px;
    margin: 16px 0;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideIn 0.3s ease-out;
}

.purchase-status.success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--purchase-success);
    color: var(--purchase-success);
}

.purchase-status.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--purchase-error);
    color: var(--purchase-error);
}

.purchase-status.warning {
    background: rgba(251, 191, 36, 0.1);
    border: 1px solid var(--purchase-warning);
    color: var(--purchase-warning);
}

.purchase-status.info {
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--purchase-primary);
    color: var(--purchase-primary);
}

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

/* === Loading States === */
.purchase-button.loading {
    position: relative;
    color: transparent;
}

.purchase-button.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}