:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #1c2128;
    --text-primary: #e6edf3;
    --text-secondary: #7d8590;
    --accent-color: #00ff88;
    --border-color: rgba(240, 246, 252, 0.1);
    --success-color: #00ff88;
    --error-color: #ff6b6b;
    --warning-color: #ffa500;
    --shadow-color: rgba(0, 0, 0, 0.5);
    --glow-color: rgba(0, 255, 136, 0.3);
    --glow-strong: rgba(0, 255, 136, 0.6);
    --btn-bg: rgba(0, 255, 136, 0.1);
    --btn-border: rgba(0, 255, 136, 0.3);
    --btn-hover: rgba(0, 255, 136, 0.2);
    --card-bg: rgba(22, 27, 34, 0.8);
    --card-border: rgba(102, 126, 234, 0.2);
    --input-bg: rgba(22, 27, 34, 0.6);
    --input-border: rgba(102, 126, 234, 0.3);
    --modal-bg: rgba(13, 17, 23, 0.95);
    --overlay-bg: rgba(0, 0, 0, 0.8);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

@keyframes logoGlow {

    0%,
    100% {
        text-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
    }

    50% {
        text-shadow: 0 0 30px rgba(0, 255, 136, 0.6);
    }
}

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: var(--bg-primary);
}

.auth-container {
    background: rgba(22, 27, 34, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(102, 126, 234, 0.2);
    border-radius: 24px;
    padding: 60px 50px;
    width: 100%;
    max-width: 500px;
    text-align: center;
    position: relative;
    z-index: 1;
    box-shadow:
        0 25px 50px rgba(0, 0, 0, 0.5),
        0 0 100px rgba(0, 255, 136, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.auth-container:hover {
    transform: translateY(-5px);
    box-shadow:
        0 35px 70px rgba(0, 0, 0, 0.6),
        0 0 120px rgba(0, 255, 136, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.auth-header {
    margin-bottom: 40px;
}

.logo {
    font-size: 3.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--accent-color), #667eea);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    animation: logoGlow 3s ease-in-out infinite;
    letter-spacing: -2px;
}

.accent {
    background: linear-gradient(135deg, #667eea, var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 300;
    margin-bottom: 25px;
}

.discord-cta {
    background: rgba(114, 137, 218, 0.1);
    border: 1px solid rgba(114, 137, 218, 0.2);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 30px;
    animation: pulse 2s ease-in-out infinite;
}

.discord-cta p {
    color: #7289da;
    font-weight: 600;
    margin-bottom: 8px;
}

.discord-cta small {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.discord-cta .discord-icon {
    margin-right: 10px;
    font-size: 1.2rem;
}

.auth-tabs {
    display: flex;
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 6px;
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
}

.auth-tab {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 12px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.auth-tab::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 8px;
    background: linear-gradient(45deg, var(--accent-color), #667eea);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.auth-tab:hover::before {
    opacity: 0.1;
}

.auth-tab.active {
    background: var(--accent-color);
    color: var(--bg-primary);
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(0, 255, 136, 0.4);
    transform: translateY(-1px);
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

.auth-form .btn {
    width: 100%;
    margin-top: 20px;
}

.register-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.register-form-grid .form-group {
    margin-bottom: 0;
}

.register-form-full {
    grid-column: 1 / -1;
}

.auth-footer {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.auth-footer p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

.auth-footer a {
    color: var(--accent-color);
    text-decoration: none;
}

.auth-footer a:hover {
    text-decoration: underline;
    color: #00cc6a;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(0, 255, 136, 0.2);
    background: rgba(22, 27, 34, 0.8);
}

.form-hint {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 5px;
    display: block;
}

.btn {
    display: inline-block;
    padding: 14px 28px;
    background: var(--btn-bg);
    border: 1px solid var(--btn-border);
    color: var(--accent-color);
    text-decoration: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--accent-color);
    color: var(--bg-primary);
    border-color: var(--accent-color);
}

.btn-primary:hover {
    background: #00cc6a;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 255, 136, 0.4);
}

.btn-glow {
    position: absolute;
    inset: -2px;
    background: linear-gradient(45deg, transparent, var(--glow-color), transparent);
    border-radius: 10px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn:hover .btn-glow {
    opacity: 1;
}

.btn-text {
    position: relative;
    z-index: 1;
}

.btn-key {
    margin-top: 15px;
    background: transparent;
    color: var(--accent-color);
    border-color: var(--accent-color);
    font-weight: 500;
}

.btn-key:hover {
    background: rgba(0, 255, 136, 0.1);
    border-color: #00cc6a;
    color: #00cc6a;
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(0, 255, 136, 0.2);
}

.error-message {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-weight: 500;
    background: rgba(255, 107, 107, 0.1);
    color: var(--error-color);
    border: 1px solid rgba(255, 107, 107, 0.3);
}

@media (max-width: 600px) {
    .auth-container {
        margin: 20px;
        padding: 40px 30px;
    }

    .logo {
        font-size: 2.5rem;
    }

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

    .auth-tab {
        padding: 10px 15px;
        font-size: 14px;
    }

    .discord-cta {
        padding: 15px;
    }

    .tagline {
        font-size: 1rem;
    }
}