:root {
    --bg-color: #0d0d0d;
    --card-bg: #181818;
    --border-color: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #A3A3A3;
    --primary-color: #FF561F;
    --primary-hover: #E54D1B;
    --danger-color: #ff4d4f;
    --warning-bg: rgba(255, 170, 0, 0.1);
    --warning-border: rgba(255, 170, 0, 0.25);
    --warning-text: #ffaa00;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.container {
    width: 100%;
    max-width: 440px;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.4s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.header {
    text-align: center;
    margin-bottom: 2rem;
}

.icon-container {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.025em;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

.alert {
    display: flex;
    gap: 0.75rem;
    padding: 1rem;
    border-radius: 12px;
    text-align: left;
    font-size: 0.875rem;
}

.alert.warning {
    background: var(--warning-bg);
    border: 1px solid var(--warning-border);
    color: var(--warning-text);
}

.alert svg {
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.alert p {
    margin-top: 0.25rem;
    opacity: 0.9;
}

.content {
    margin-bottom: 2rem;
}

.order-details {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.value {
    font-family: monospace;
    font-size: 1rem;
    font-weight: 600;
}

.actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.btn {
    width: 100%;
    padding: 1rem;
    border-radius: 12px;
    font-size: 0.9375rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn.primary {
    background: var(--primary-color);
    color: white;
}

.btn.primary:not(:disabled):hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.btn.secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn.secondary:not(:disabled):hover {
    background: rgba(255, 255, 255, 0.1);
}

.hidden {
    display: none !important;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}

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

.error-message {
    margin-top: 1rem;
    padding: 0.75rem;
    background: rgba(255, 77, 79, 0.1);
    border: 1px solid rgba(255, 77, 79, 0.25);
    border-radius: 8px;
    color: var(--danger-color);
    font-size: 0.875rem;
    text-align: center;
}

.footer {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.footer strong {
    color: var(--text-primary);
}