:root {
    --bg-color: #000000;
    --card-bg: #111111;
    --primary-color: #FF0000;
    --text-color: #FFFFFF;
    --text-secondary: #AAAAAA;
    --border-color: #333333;
    --input-bg: #000000;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --transition: all 0.3s ease;
}

* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body, html {
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-family);
    height: 100%;
    width: 100%;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.mobile-container {
    max-width: 500px;
    margin: 0 auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    padding-bottom: 20px;
}

/* Header */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--bg-color);
}

.app-header h1 {
    font-size: 18px;
    font-weight: 700;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 1px;
    flex-grow: 1;
    text-align: center;
}

.back-button {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    width: 24px;
    height: 24px;
}

.header-placeholder {
    width: 24px;
}

/* Main Content */
main {
    padding: 0 20px;
    flex-grow: 1;
}

/* Event Screen Styles */
.ticket-selector {
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 10px;
    text-align: center;
    border-radius: 4px;
    font-weight: 700;
    font-size: 14px;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.event-hero {
    width: 100%;
    aspect-ratio: 16/9;
    background-color: #222;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 20px;
}

.event-hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ticket-item {
    border-bottom: 1px solid #222;
    padding-bottom: 20px;
    margin-bottom: 20px;
}

.ticket-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.ticket-name {
    font-size: 16px;
    font-weight: 500;
}

.ticket-price {
    font-weight: 500;
    font-size: 16px;
}

.event-date {
    font-size: 13px;
    color: var(--text-secondary);
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.modal-card {
    background-color: var(--card-bg);
    width: 90%;
    max-width: 400px;
    border-radius: 12px;
    padding: 30px 20px;
    text-align: center;
    border: 1px solid #222;
}

.modal-title {
    font-size: 18px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 30px;
    letter-spacing: 1px;
}

.quantity-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
}

.qty-btn {
    background: none;
    border: 1px solid #FFF;
    color: #FFF;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
}

.qty-value {
    font-size: 20px;
    font-weight: 700;
}

.modal-actions {
    display: flex;
    gap: 15px;
}

.btn {
    flex: 1;
    padding: 12px;
    border-radius: 6px;
    font-weight: 700;
    font-size: 14px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-secondary {
    background-color: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

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

/* Info Form Styles */
.form-group {
    margin-bottom: 20px;
}

.form-input {
    width: 100%;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 15px;
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    transition: var(--transition);
}

.form-input:focus {
    border-color: var(--primary-color);
}

.phone-input-group {
    display: flex;
    gap: 10px;
}

.country-code {
    width: 80px;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 15px;
    border-radius: 8px;
    text-align: center;
}

.address-input-container {
    position: relative;
}

.location-btn {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
}

.form-label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.submit-btn {
    width: 100%;
    background-color: var(--primary-color);
    color: #FFF;
    padding: 15px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 16px;
    border: none;
    margin-top: 20px;
    text-transform: uppercase;
}

/* Utilities */
.loading-spinner {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 200px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

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

#toast-container {
    position: fixed;
    bottom: 30px;
    left: 20px;
    right: 20px;
    z-index: 2000;
}

.toast {
    background-color: #333;
    color: #FFF;
    padding: 15px;
    border-radius: 8px;
    margin-top: 10px;
    font-size: 14px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from { transform: translateY(100px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}