/* Referral System Styles */

:root {
    /* BitcoinCounterFlow Dark Theme */
    --primary-color: #ffffff;
    --dark-bg: #0a0a0a;           /* Fundo principal muito escuro */
    --dark-card: #0f0f0f;         /* Cards ligeiramente mais claros */
    --dark-card-hover: #141414;  /* Hover state */
    --dark-border: #1a1a1a;       /* Bordas sutis */
    --dark-border-light: #2a2a2a; /* Bordas mais claras para destaques */

    /* Accent Colors - BitcoinCounterFlow Blue */
    --accent-color: #0c3fae;      /* Azul escuro da plataforma */
    --accent-hover: #0a2d8a;      /* Hover mais escuro */
    --accent-light: rgba(12, 63, 174, 0.15); /* Fundo sutil mais vivo */

    /* Status Colors */
    --success-color: #00c853;     /* Verde sucesso */
    --error-color: #ff1744;       /* Vermelho erro */
    --warning-color: #ffa726;     /* Laranja aviso */

    /* Text Hierarchy */
    --text-primary: #ffffff;      /* Branco puro para títulos */
    --text-secondary: #b0b0b0;    /* Cinza claro para texto secundário */
    --text-muted: #808080;        /* Cinza médio para texto muted */
    --text-accent: #0c3fae;       /* Azul para destaques */

    /* Shadows and Effects */
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-hover: 0 8px 30px rgba(12, 63, 174, 0.25);
    --glow: 0 0 20px rgba(12, 63, 174, 0.35);

    /* Layout */
    --border-radius: 12px;       /* Bordas mais arredondadas */
    --border-radius-small: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-card) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-hover) 100%);
}

.referral-dashboard {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-primary);
    background: var(--dark-bg);
    min-height: 100vh;
    line-height: 1.6;
}

.referral-header {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

.referral-header::before {
    content: '';
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.referral-header h2 {
    font-size: 3em;
    font-weight: 700;
    margin: 0 0 15px;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    background: linear-gradient(135deg, var(--text-secondary), var(--text-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.referral-header .subtitle {
    font-size: 1.2em;
    color: var(--text-secondary);
    margin: 0;
    font-weight: 400;
    max-width: 600px;
    margin: 0 auto;
}

/* Section Styling */
.referral-section {
    background: var(--gradient-primary);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius);
    padding: 40px;
    margin-bottom: 40px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.referral-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-accent);
    opacity: 0;
    transition: var(--transition);
}

.referral-section:hover {
    border-color: var(--dark-border-light);
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.referral-section:hover::before {
    opacity: 1;
}

.referral-section h3 {
    margin-top: 0;
    margin-bottom: 25px;
    font-size: 1.6em;
    color: var(--text-primary);
    font-weight: 600;
    position: relative;
    display: inline-block;
}

.referral-section h3::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--accent-color);
    border-radius: 1px;
}

/* Points Card */
.referral-points-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    background: linear-gradient(135deg, var(--dark-card) 0%, rgba(12, 63, 174, 0.12) 100%);
    border: 1px solid var(--dark-border-light);
    position: relative;
}

.referral-points-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(12, 63, 174, 0.04) 50%, transparent 70%);
    pointer-events: none;
}

.points-display {
    text-align: center;
    padding: 40px;
    border-right: 1px solid var(--dark-border);
    position: relative;
    z-index: 1;
}

.points-number {
    font-size: 4.5em;
    font-weight: 800;
    color: var(--accent-color);
    margin-bottom: 15px;
    text-shadow: 0 0 30px rgba(12, 63, 174, 0.4);
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.points-label {
    font-size: 1.1em;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 500;
}

.points-info {
    padding: 40px;
    position: relative;
    z-index: 1;
}

.points-info p {
    margin: 0 0 20px;
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1.1em;
}

.points-info ul {
    margin: 0;
    padding-left: 25px;
    list-style: none;
}

.points-info li {
    margin-bottom: 12px;
    padding-left: 25px;
    color: var(--text-muted);
    position: relative;
    font-size: 1em;
}

.points-info li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
    font-size: 1.2em;
}

/* Referral Link Card */
.referral-link-box {
    display: flex;
    gap: 15px;
    background: var(--dark-card);
    padding: 20px;
    border-radius: var(--border-radius-small);
    border: 1px solid var(--dark-border);
    transition: var(--transition);
}

.referral-link-box:hover {
    border-color: var(--accent-color);
    box-shadow: var(--glow);
}

.referral-link-box input {
    flex: 1;
    background: var(--dark-bg);
    border: 1px solid var(--dark-border);
    color: var(--accent-color);
    padding: 12px 18px;
    border-radius: var(--border-radius-small);
    font-family: 'Courier New', monospace;
    font-size: 1em;
    transition: var(--transition);
}

.referral-link-box input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px var(--accent-light);
    background: var(--dark-card);
}

/* Button Styling */
.btn {
    padding: 14px 28px;
    border: none;
    border-radius: var(--border-radius-small);
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: var(--transition-fast);
}

.btn:hover::before {
    left: 100%;
}

.btn-copy {
    background: var(--gradient-accent);
    color: var(--dark-bg);
    box-shadow: 0 4px 15px rgba(12, 63, 174, 0.4);
    height: 48px; /* Mesma altura do input */
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-copy:hover {
    background: var(--gradient-accent);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(12, 63, 174, 0.5);
    color: var(--dark-bg);
}

.btn-redeem {
    background: var(--gradient-primary);
    color: var(--success-color);
    border: 1px solid var(--success-color);
    box-shadow: 0 4px 15px rgba(0, 200, 83, 0.2);
}

.btn-redeem:hover {
    background: var(--success-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 200, 83, 0.3);
}

.btn-redeem:disabled {
    background: var(--dark-card);
    color: var(--text-muted);
    border-color: var(--dark-border);
    cursor: not-allowed;
    opacity: 0.6;
    transform: none;
    box-shadow: none;
}

.btn-redeem:disabled:hover {
    transform: none;
    box-shadow: none;
}

.copy-icon {
    font-size: 1.1em;
    transition: var(--transition-fast);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.stat-item {
    text-align: center;
    padding: 25px;
    background: var(--dark-card);
    border-radius: var(--border-radius-small);
    border: 1px solid var(--dark-border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: var(--transition);
}

.stat-item:hover {
    border-color: var(--dark-border-light);
    box-shadow: var(--shadow);
    transform: translateY(-3px);
}

.stat-item:hover::before {
    transform: scaleX(1);
}

.stat-number {
    font-size: 3em;
    font-weight: 800;
    color: var(--accent-color);
    margin-bottom: 10px;
    text-shadow: 0 0 20px rgba(12, 63, 174, 0.25);
}

.stat-label {
    font-size: 1em;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

/* Referral Table */
.referral-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 25px;
    background: var(--dark-card);
    border-radius: var(--border-radius-small);
    overflow: hidden;
    border: 1px solid var(--dark-border);
}

.referral-table thead {
    background: var(--dark-bg);
    border-bottom: 2px solid var(--dark-border-light);
}

.referral-table th {
    padding: 18px;
    text-align: left;
    color: var(--accent-color);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9em;
    letter-spacing: 1px;
}

.referral-table td {
    padding: 18px;
    border-bottom: 1px solid var(--dark-border);
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.referral-table tbody tr {
    transition: var(--transition-fast);
}

.referral-table tbody tr:hover {
    background: rgba(12, 63, 174, 0.08);
}

.referral-table tbody tr:hover td {
    color: var(--text-primary);
}

.status {
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-block;
}

.status-paid {
    background: rgba(0, 200, 83, 0.15);
    color: var(--success-color);
    border: 1px solid rgba(0, 200, 83, 0.3);
}

.status-pending {
    background: rgba(255, 167, 38, 0.15);
    color: var(--warning-color);
    border: 1px solid rgba(255, 167, 38, 0.3);
}

.points-earned {
    color: var(--accent-color);
    font-weight: 700;
    font-size: 1.1em;
}

.no-referrals {
    text-align: center;
    padding: 50px;
    color: var(--text-muted);
    font-style: italic;
    background: var(--dark-card);
    border-radius: var(--border-radius-small);
    border: 1px solid var(--dark-border);
}

/* Redeem Options */
.redeem-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    margin: 25px 0;
}

.redeem-option {
    padding: 25px;
    border: 2px solid var(--dark-border);
    border-radius: var(--border-radius);
    background: var(--dark-card);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.redeem-option::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
}

.redeem-option input {
    margin-bottom: 12px;
    cursor: pointer;
}

.redeem-option.available {
    border-color: var(--accent-color);
    background: var(--accent-light);
}

.redeem-option.available::before {
    opacity: 1;
}

.redeem-option.available:hover {
    border-color: var(--accent-color);
    box-shadow: var(--glow);
    transform: translateY(-5px);
}

.redeem-option.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    filter: grayscale(0.5);
}

.redeem-option.disabled:hover {
    transform: none;
    box-shadow: none;
}

.option-title {
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-size: 1.2em;
}

.option-points {
    font-size: 1em;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Messages */
.message {
    padding: 18px 24px;
    border-radius: var(--border-radius-small);
    margin-top: 25px;
    font-weight: 500;
    border-left: 4px solid;
    position: relative;
}

.message-success {
    background: rgba(0, 200, 83, 0.1);
    color: var(--success-color);
    border-left-color: var(--success-color);
}

.message-error {
    background: rgba(255, 23, 68, 0.1);
    color: var(--error-color);
    border-left-color: var(--error-color);
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 30px;
    right: 30px;
    z-index: 10000;
    pointer-events: none;
}

.toast {
    background: var(--dark-card);
    color: var(--text-primary);
    padding: 18px 24px;
    border-radius: var(--border-radius-small);
    border-left: 4px solid var(--accent-color);
    margin-bottom: 12px;
    box-shadow: var(--shadow);
    transform: translateX(400px);
    opacity: 0;
    transition: var(--transition);
    pointer-events: auto;
    max-width: 350px;
    word-wrap: break-word;
    backdrop-filter: blur(10px);
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast.success {
    border-left-color: var(--success-color);
}

.toast.error {
    border-left-color: var(--error-color);
}

.toast .close-btn {
    float: right;
    margin-left: 12px;
    cursor: pointer;
    font-weight: bold;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.toast .close-btn:hover {
    color: var(--text-primary);
}

/* Responsive */
@media (max-width: 768px) {
    .referral-dashboard {
        padding: 20px 15px;
    }

    .referral-header h2 {
        font-size: 1.8em;
    }

    .referral-header .subtitle {
        font-size: 1em;
    }

    .referral-section {
        padding: 20px;
        margin-bottom: 20px;
    }

    .referral-points-card {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .points-display {
        border-right: none;
        border-bottom: 1px solid var(--dark-border);
        padding-bottom: 20px;
        margin-bottom: 20px;
    }

    .points-number {
        font-size: 2.5em;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .stat-item {
        padding: 15px;
    }

    .stat-number {
        font-size: 2em;
    }

    .redeem-options {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .referral-link-box {
        flex-direction: column;
        gap: 15px;
    }

    .referral-link-box input {
        font-size: 0.85em;
    }

    .referral-table {
        font-size: 0.85em;
    }

    .referral-table th,
    .referral-table td {
        padding: 10px 8px;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9em;
    }

    .toast-container {
        left: 10px;
        right: 10px;
        top: 10px;
    }

    .toast {
        max-width: none;
    }
}

@media (max-width: 480px) {
    .referral-dashboard {
        padding: 15px 10px;
    }

    .referral-header h2 {
        font-size: 1.5em;
    }

    .referral-section {
        padding: 15px;
    }

    .points-number {
        font-size: 2em;
    }

    .referral-link-box input {
        padding: 8px 12px;
    }

    .btn-copy {
        padding: 10px 15px;
    }
}

/* Tablet Responsiveness */
@media (max-width: 1024px) and (min-width: 769px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus states for accessibility */
.btn:focus,
.referral-link-box input:focus,
.redeem-option input:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --dark-border: #ffffff;
        --text-secondary: #cccccc;
    }
}

/* Print styles */
@media print {
    .referral-dashboard {
        background: white !important;
        color: black !important;
    }

    .referral-section {
        border: 1px solid #ccc !important;
        background: white !important;
    }

    .btn, .toast-container {
        display: none !important;
    }
}