:root {
    --robot-main: #64748b;
    --robot-dark: #475569;
    --robot-border: #475569;
    --terminal-bg: #000000;
}

[data-theme="light"] {
    --robot-main: #94a3b8;
    --robot-dark: #64748b;
    --robot-border: #cbd5e1;
    --terminal-bg: #111827;
}

body.login-body {
    min-height: 100vh;
    height: auto;
    overflow: hidden;
    display: block;
    justify-content: unset;
    align-items: unset;
    user-select: auto;
    background: radial-gradient(circle at 50% 30%, var(--surface) 0%, var(--bg) 100%);
}

.login-theme-toggle {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 30;
    width: 24px;
    height: 24px;
}

.login-overlay {
    min-height: 100vh;
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-stage {
    position: relative;
    width: 100%;
    max-width: 400px;
}

.login-card {
    position: relative;
    z-index: 2;
    overflow: visible;
}

.login-submit-btn {
    width: 100%;
}

.login-status {
    min-height: 18px;
    font-size: 13px;
    line-height: 1.5;
    text-align: center;
    color: var(--text-muted);
}

.login-status.status-error {
    color: var(--hard);
}

.login-status.status-success {
    color: var(--accent);
}

@keyframes robot-idle {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

@keyframes robot-shoulder-wave {
    0%, 100% { transform: rotate(0deg); }
    35% { transform: rotate(-14deg); }
    70% { transform: rotate(8deg); }
}

.login-robot-wrap {
    position: absolute;
    top: -84px;
    right: -108px;
    width: 246px;
    height: 204px;
    z-index: 1;
    pointer-events: none;
    overflow: visible;
    opacity: 0;
    transform: translate(-60px, 60px) rotate(12deg) scale(0.6);
    transform-origin: 216px 66px;
    transition:
        opacity 0.25s ease-in,
        transform 0.35s cubic-bezier(0.4, 0, 1, 1);
}

#robot-svg {
    display: block;
    width: 100%;
    height: auto;
    overflow: visible;
    filter: drop-shadow(0 22px 36px rgba(0, 0, 0, 0.28));
}

.robot-peek {
    opacity: 1;
    transform: none;
}

.robot-upper-body {
    animation: robot-idle 4s ease-in-out infinite;
}

.robot-right-shoulder {
    transform-box: fill-box;
    transform-origin: 0% 100%;
}

.login-stage.robot-awake .login-robot-wrap {
    opacity: 1;
    transform: translate(0, 0) rotate(0deg) scale(1);
    transition:
        opacity 0.1s ease,
        transform 0.48s cubic-bezier(0.4, 0, 0.85, 1);
}

.login-stage.robot-awake .robot-right-shoulder {
    animation: robot-shoulder-wave 1.6s ease-in-out infinite;
    animation-delay: 0.4s;
}

@media (max-width: 980px) {
    .login-stage {
        max-width: 400px;
    }

    .login-robot-wrap {
        width: 222px;
        height: 186px;
        top: -64px;
        right: -88px;
    }
}

@media (max-width: 640px) {
    .login-overlay {
        padding: 20px 16px;
    }

    .login-theme-toggle {
        top: 18px;
        right: 18px;
    }

    .login-robot-wrap {
        width: 184px;
        height: 158px;
        top: -42px;
        right: -62px;
    }
}