/* ==========================================
   AUTH PAGES STYLES
   ========================================== */

.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-logo {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.auth-form h2 {
    font-size: 1.5rem;
    margin-bottom: 25px;
    text-align: center;
    color: var(--text-primary);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
    font-family: inherit;
    background: var(--bg-surface);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.btn-primary.loading .btn-text {
    display: none;
}

.btn-primary.loading .btn-loading {
    display: inline;
}

.btn-loading {
    display: none;
}

.auth-switch {
    text-align: center;
    margin-top: 25px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.auth-switch a {
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 600;
}

.auth-switch a:hover {
    text-decoration: underline;
}

.auth-message {
    margin-top: 20px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    text-align: center;
    font-size: 0.9rem;
    animation: fadeIn 0.3s ease;
}

.auth-message.error {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.4);
    color: #f87171;
}

.auth-message.success {
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid rgba(16, 185, 129, 0.4);
    color: #34d399;
}

.auth-message.hidden {
    display: none;
}

/* ==========================================
   CREDITS PAGE
   ========================================== */

.credits-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
}

.credits-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.credits-balance {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 25px 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    margin-bottom: 30px;
}

.credits-balance h3 {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 8px;
    font-weight: 600;
}

.credits-balance .amount {
    font-size: 2.5rem;
    font-weight: 800;
    color: white;
}

.credits-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
}

.credit-option {
    background: var(--bg-card);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.credit-option:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.credit-option.selected {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.credit-option .value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.credit-option .label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.custom-amount {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 30px;
}

.custom-amount label {
    display: block;
    margin-bottom: 10px;
    color: var(--text-secondary);
    font-weight: 600;
}

.custom-amount input {
    width: 100%;
    padding: 14px 16px;
    font-size: 1.2rem;
    font-family: inherit;
    background: var(--bg-surface);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    text-align: center;
}

.custom-amount input:focus {
    outline: none;
    border-color: var(--primary);
}

.pix-container {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 30px;
    text-align: center;
}

.pix-container h3 {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.qrcode-wrapper {
    background: white;
    padding: 20px;
    border-radius: var(--radius-md);
    display: inline-block;
    margin-bottom: 20px;
}

.qrcode-wrapper img {
    max-width: 200px;
    display: block;
}

.pix-copy {
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
    padding: 15px;
    margin-bottom: 20px;
    word-break: break-all;
    font-family: monospace;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.btn-copy {
    background: var(--primary);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-copy:hover {
    background: var(--primary-dark);
}

/* ==========================================
   NAV BAR
   ========================================== */

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar-brand {
    font-size: 1.4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 15px;
}

.navbar-credits {
    background: var(--bg-surface);
    padding: 8px 15px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.navbar-credits strong {
    color: var(--secondary);
}

.navbar-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.navbar-link:hover {
    color: var(--primary-light);
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

/* ==========================================
   ADMIN STYLES
   ========================================== */

.admin-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

.admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
}

.stat-card .value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-light);
    margin-bottom: 5px;
}

.stat-card .label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.admin-section {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 25px;
    margin-bottom: 25px;
}

.admin-section h3 {
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.prize-grid {
    display: grid;
    gap: 15px;
}

.prize-row {
    display: grid;
    grid-template-columns: 1fr 150px 80px;
    gap: 15px;
    align-items: center;
    padding: 15px;
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
}

.prize-row .type {
    font-weight: 600;
    text-transform: capitalize;
}

.prize-row input {
    padding: 10px;
    font-size: 1rem;
    background: var(--bg-dark);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    text-align: right;
}

.prize-row input:focus {
    outline: none;
    border-color: var(--primary);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
}

/* Mobile responsive */
@media (max-width: 600px) {
    .auth-card {
        padding: 30px 20px;
    }
    
    .navbar {
        flex-direction: column;
        gap: 15px;
    }
    
    .navbar-menu {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .prize-row {
        grid-template-columns: 1fr;
        text-align: center;
    }
}