@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

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

body.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background:
        radial-gradient(ellipse 80% 60% at 20% 10%, rgba(37, 99, 235, 0.22), transparent),
        radial-gradient(ellipse 60% 50% at 80% 90%, rgba(99, 102, 241, 0.15), transparent),
        linear-gradient(145deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.auth-page::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
}

.auth-wrapper {
    width: 100%;
    max-width: 440px;
    position: relative;
    z-index: 1;
}

.auth-card {
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    padding: 48px 40px;
    border-radius: 24px;
    box-shadow:
        0 25px 50px -12px rgba(0, 0, 0, 0.45),
        0 0 0 1px rgba(255, 255, 255, 0.1);
    animation: authFadeIn 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes authFadeIn {
    from { opacity: 0; transform: translateY(28px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

.auth-logo {
    width: 68px;
    height: 68px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    box-shadow: 0 14px 28px rgba(37, 99, 235, 0.4);
}

.auth-logo i {
    color: white;
    font-size: 28px;
}

.auth-card h1 {
    text-align: center;
    font-size: 1.55rem;
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -0.03em;
    margin-bottom: 6px;
}

.auth-subtitle {
    text-align: center;
    color: #64748b;
    font-size: 0.9rem;
    margin-bottom: 32px;
    line-height: 1.5;
}

.auth-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 28px;
}

.auth-feature {
    text-align: center;
    padding: 12px 8px;
    background: #f8fafc;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.auth-feature i {
    font-size: 16px;
    color: #2563eb;
    margin-bottom: 6px;
    display: block;
}

.auth-feature span {
    font-size: 0.68rem;
    font-weight: 600;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.auth-field {
    margin-bottom: 20px;
}

.auth-field label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: #334155;
    margin-bottom: 8px;
}

.auth-input-wrap {
    position: relative;
}

.auth-input-wrap i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    font-size: 14px;
    pointer-events: none;
}

.auth-field input {
    width: 100%;
    padding: 14px 14px 14px 42px;
    border: 1.5px solid #e2e8f0;
    border-radius: 12px;
    font-size: 0.95rem;
    font-family: inherit;
    color: #0f172a;
    background: #f8fafc;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.auth-field input:focus {
    border-color: #2563eb;
    background: #fff;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.auth-btn {
    width: 100%;
    padding: 15px;
    margin-top: 8px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
    transition: transform 0.2s, box-shadow 0.2s;
}

.auth-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 32px rgba(37, 99, 235, 0.45);
}

.auth-btn:active {
    transform: translateY(0);
}

.auth-alert {
    background: #fef2f2;
    color: #dc2626;
    padding: 12px 16px;
    border-radius: 12px;
    margin-bottom: 24px;
    font-size: 0.85rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid #fecaca;
}

.auth-footer {
    margin-top: 28px;
    text-align: center;
    font-size: 0.75rem;
    color: #94a3b8;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.auth-footer i {
    color: #22c55e;
}

.auth-password-wrap {
    position: relative;
}

.auth-password-wrap input {
    padding-right: 46px !important;
}

.auth-password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #94a3b8;
    cursor: pointer;
    padding: 4px;
    font-size: 14px;
    line-height: 1;
}

.auth-password-toggle:hover {
    color: #2563eb;
}

.auth-btn:disabled {
    opacity: 0.75;
    cursor: not-allowed;
    transform: none !important;
}

@media (max-width: 480px) {
    .auth-card {
        padding: 36px 24px;
        border-radius: 20px;
    }

    .auth-features {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .auth-feature {
        display: flex;
        align-items: center;
        gap: 12px;
        text-align: left;
        padding: 12px 14px;
    }

    .auth-feature i {
        margin-bottom: 0;
    }
}