:root {
    --primary: #00f2ff;
    --secondary: #7000ff;
    --bg: #0a0b0d;
    --text: #ffffff;
    --card-bg: rgba(255, 255, 255, 0.05);
    --border: rgba(255, 255, 255, 0.1);
}

body {
    margin: 0;
    font-family: 'Outfit', 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    min-height: 100vh;
}

.blob {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--secondary), transparent 70%);
    filter: blur(100px);
    opacity: 0.15;
    z-index: -1;
    top: -200px;
}

.container {
    width: 90%;
    max-width: 680px;
    padding: 40px 20px;
    position: relative;
    z-index: 1;
}

.back-link {
    display: inline-block;
    color: var(--primary);
    text-decoration: none;
    margin-bottom: 20px;
    font-weight: 600;
}

.back-link:hover {
    text-decoration: underline;
}

h1 {
    font-size: 2.3rem;
    font-weight: 800;
    margin-bottom: 10px;
    text-align: center;
    background: linear-gradient(135deg, #fff 30%, var(--primary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    text-align: center;
    color: #94a3b8;
    margin-top: 0;
    margin-bottom: 30px;
    font-size: 1.05rem;
}

.auth-screen,
.app-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 30px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.hidden {
    display: none !important;
}

input {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border);
    padding: 15px;
    border-radius: 12px;
    color: white;
    font-size: 1.1rem;
    outline: none;
    transition: all 0.3s;
    font-family: inherit;
    text-align: center;
    letter-spacing: 4px;
}

input:focus {
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.12);
    box-shadow: 0 0 15px rgba(0, 242, 255, 0.2);
}

button, .action-btn {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #000;
    font-weight: 700;
    border: none;
    padding: 15px;
    border-radius: 12px;
    cursor: pointer;
    font-size: 1rem;
    transition: transform 0.2s, box-shadow 0.2s;
    font-family: inherit;
    text-decoration: none;
    text-align: center;
    display: inline-block;
}

button:hover, .action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 242, 255, 0.4);
    color: #000;
}

.action-btn.secondary {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    border: 1px solid var(--border);
}

.action-btn.secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 5px 20px rgba(255, 255, 255, 0.1);
    color: #fff;
}

.contact-info {
    font-size: 0.85rem;
    color: #64748b;
    text-align: center;
    margin-top: 10px;
}

.email-reveal {
    color: var(--primary);
    cursor: pointer;
    text-decoration: underline;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin: 15px 0;
}

.feature-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    padding: 15px;
    border-radius: 12px;
}

.feature-item h3 {
    margin-top: 0;
    margin-bottom: 6px;
    font-size: 1rem;
    color: var(--primary);
}

.feature-item p {
    margin: 0;
    font-size: 0.88rem;
    color: #cbd5e1;
    line-height: 1.4;
}

.guide-step {
    display: flex;
    gap: 15px;
    align-items: flex-start;
    margin-bottom: 15px;
    background: rgba(255, 255, 255, 0.02);
    padding: 12px 16px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.step-num {
    background: var(--primary);
    color: #000;
    font-weight: 800;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.85rem;
}

.step-text {
    font-size: 0.92rem;
    color: #e2e8f0;
    line-height: 1.4;
}

.step-text code {
    background: rgba(0, 0, 0, 0.4);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--primary);
    font-size: 0.85rem;
}