html,
body {
    overflow: hidden;
    height: 100%;
}

main {
    padding-top: 0 !important;
    min-height: unset !important;
}

.auth-page {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    padding: 20px;
    background:
        radial-gradient(ellipse 80% 60% at 20% 40%, rgba(34, 87, 122, 0.35) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 70%, rgba(56, 163, 165, 0.2) 0%, transparent 60%),
        var(--bg);
}

.auth-container {
    position: relative;
    width: 850px;
    height: 550px;
    background: var(--surface);
    border-radius: 30px;
    box-shadow:
        0 0 0 1px var(--border),
        0 24px 64px rgba(0, 0, 0, 0.5),
        0 0 60px rgba(34, 87, 122, 0.15);
    overflow: hidden;
}

.auth-container h1 {
    font-size: 32px;
    font-weight: 500;
    letter-spacing: -0.02em;
    color: var(--text);
    margin: -10px 0 0;
}

.auth-container p {
    font-size: 14px;
    color: var(--text-muted);
    margin: 14px 0;
    line-height: 1.6;
}

.form-box {
    position: absolute;
    right: 0;
    width: 50%;
    height: 100%;
    background: var(--surface);
    display: flex;
    align-items: center;
    color: var(--text);
    text-align: center;
    padding: 40px;
    z-index: 1;
    transition: .6s ease-in-out 1.2s, visibility 0s 1s;
}

.form-box form {
    width: 100%;
}

.auth-container.active .form-box {
    right: 50%;
}

.form-box.register {
    visibility: hidden;
}

.auth-container.active .form-box.register {
    visibility: visible;
}

.input-box {
    position: relative;
    margin: 20px 0;
}

.input-box input {
    width: 100%;
    padding: 13px 48px 13px 18px;
    background: var(--surface-2);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    outline: none;
    font-size: 14px;
    font-family: var(--font);
    color: var(--text);
    font-weight: 400;
    transition:
        border-color var(--transition),
        box-shadow var(--transition),
        background var(--transition);
}

.input-box input::placeholder {
    color: var(--text-faint);
    font-weight: 400;
}

.input-box input:focus {
    border-color: var(--accent);
    background: var(--surface-3);
    box-shadow: 0 0 0 3px var(--accent-subtle), 0 0 12px var(--accent-glow);
}

.input-box i {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 18px;
    color: var(--text-faint);
    pointer-events: none;
    transition: color var(--transition);
}

.input-box input:focus+i {
    color: var(--accent);
}

.forgot-link {
    margin: -10px 0 16px;
    text-align: right;
}

.forgot-link a {
    font-size: 13px;
    color: var(--text-muted);
    transition: color var(--transition);
}

.forgot-link a:hover {
    color: var(--accent);
}

.auth-btn {
    width: 100%;
    height: 46px;
    background: var(--accent);
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    font-size: 13px;
    font-family: var(--font);
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #fff;
    box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transition:
        filter var(--transition-slow),
        letter-spacing var(--transition-slow),
        transform var(--transition-snap);
}

.auth-btn:hover {
    filter: drop-shadow(0 0 10px var(--accent)) drop-shadow(0 0 24px var(--accent-glow));
    letter-spacing: 0.12em;
    transform: translateY(-1px);
}

.auth-btn:active {
    transform: scale(0.97) translateY(1px);
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 4px;
}

.social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 20px;
    color: var(--text-muted);
    background: var(--surface-2);
    transition:
        color var(--transition),
        border-color var(--transition),
        background var(--transition),
        transform var(--transition-snap),
        box-shadow var(--transition-slow);
}

.social-icons a:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-subtle);
    transform: translateY(-2px);
    box-shadow: 0 0 12px var(--accent-glow);
}

.toggle-box {
    position: absolute;
    width: 100%;
    height: 100%;
}

.toggle-box::before {
    content: '';
    position: absolute;
    left: -250%;
    width: 300%;
    height: 100%;
    background: linear-gradient(135deg, var(--deep) 0%, var(--teal) 60%, var(--accent) 100%);
    border-radius: 150px;
    z-index: 2;
    transition: 1.8s ease-in-out;
    box-shadow: inset 0 0 60px rgba(87, 204, 153, 0.1);
}

.auth-container.active .toggle-box::before {
    left: 50%;
}

.toggle-panel {
    position: absolute;
    width: 50%;
    height: 100%;
    color: var(--text);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 2;
    transition: .6s ease-in-out;
    padding: 40px;
    text-align: center;
}

.toggle-panel h1 {
    color: #fff;
    font-size: 28px;
    margin-bottom: 8px;
}

.toggle-panel p {
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 24px;
}

.toggle-panel.toggle-left {
    left: 0;
    transition-delay: 1.2s;
}

.auth-container.active .toggle-panel.toggle-left {
    left: -50%;
    transition-delay: .6s;
}

.toggle-panel.toggle-right {
    right: -50%;
    transition-delay: .6s;
}

.auth-container.active .toggle-panel.toggle-right {
    right: 0;
    transition-delay: 1.2s;
}

.toggle-btn {
    width: 160px;
    height: 44px;
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.7);
    border-radius: var(--radius);
    color: #fff;
    font-family: var(--font);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    transition:
        background var(--transition),
        border-color var(--transition),
        transform var(--transition-snap),
        box-shadow var(--transition-slow);
}

.toggle-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 0 16px rgba(255, 255, 255, 0.15);
}

.toggle-btn:active {
    transform: scale(0.97);
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 4px 0;
    color: var(--text-faint);
    font-size: 12px;
    letter-spacing: 0.06em;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.auth-back {
    position: fixed;
    top: 20px;
    left: 24px;
    z-index: 10;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-muted);
    padding: 7px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    transition:
        color var(--transition),
        border-color var(--transition),
        background var(--transition),
        transform var(--transition-snap);
}

.auth-back:hover {
    color: var(--text);
    border-color: var(--accent);
    background: var(--accent-subtle);
    transform: translateX(-2px);
}

@media screen and (max-width: 650px) {
    .auth-container {
        width: 100%;
        height: calc(100vh - 40px);
    }

    .form-box {
        bottom: 0;
        width: 100%;
        height: 70%;
    }

    .auth-container.active .form-box {
        right: 0;
        bottom: 30%;
    }

    .toggle-box::before {
        left: 0;
        top: -270%;
        width: 100%;
        height: 300%;
        border-radius: 20vw;
    }

    .auth-container.active .toggle-box::before {
        left: 0;
        top: 70%;
    }

    .auth-container.active .toggle-panel.toggle-left {
        left: 0;
        top: -30%;
    }

    .toggle-panel {
        width: 100%;
        height: 30%;
        padding: 20px;
    }

    .toggle-panel.toggle-left {
        top: 0;
    }

    .toggle-panel.toggle-right {
        right: 0;
        bottom: -30%;
    }

    .auth-container.active .toggle-panel.toggle-right {
        bottom: 0;
    }
}

@media screen and (max-width: 400px) {
    .form-box {
        padding: 20px;
    }

    .toggle-panel h1 {
        font-size: 24px;
    }
}