/* ================================================
   StellarMinds — Login Page Styles
   Archivo: wwwroot/css/login.css
   ================================================ */

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

:root {
    --deep-space: #07090f;
    --space-mid: #0d1220;
    --space-surface: #111827;
    --glass-bg: rgba(255, 255, 255, 0.04);
    --glass-border: rgba(255, 255, 255, 0.10);
    --glass-glow: rgba(140, 170, 255, 0.08);
    --star-white: #e8eeff;
    --text-primary: #dde4f4;
    --text-muted: #7a89b0;
    --text-faint: #3d4d70;
    --accent-blue: #5b8eff;
    --accent-violet: #9d6fff;
    --accent-aqua: #4fcfcf;
    --accent-warm: #c8a96e;
    --danger: #ff6b6b;
    --radius-card: 20px;
    --radius-input: 10px;
    --transition: 0.25s ease;
}

body {
    min-height: 100vh;
    background: var(--deep-space);
    font-family: 'DM Sans', sans-serif;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

/* ── Stars background ── */
#stars {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.star {
    position: absolute;
    border-radius: 50%;
    background: var(--star-white);
    animation: twinkle linear infinite;
}

@keyframes twinkle {
    0%, 100% {
        opacity: var(--op, 0.5);
        transform: scale(1);
    }

    50% {
        opacity: 0.1;
        transform: scale(0.6);
    }
}

/* ── Nebula blobs ── */
.nebula {
    position: fixed;
    border-radius: 50%;
    filter: blur(90px);
    pointer-events: none;
    z-index: 0;
}

.nebula-1 {
    width: 520px;
    height: 520px;
    background: radial-gradient(circle, rgba(91, 142, 255, 0.13) 0%, transparent 70%);
    top: -10%;
    right: -5%;
    animation: drift 18s ease-in-out infinite alternate;
}

.nebula-2 {
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(157, 111, 255, 0.11) 0%, transparent 70%);
    bottom: -10%;
    left: -5%;
    animation: drift 22s ease-in-out infinite alternate-reverse;
}

@keyframes drift {
    from {
        transform: translate(0, 0);
    }

    to {
        transform: translate(30px, 20px);
    }
}

/* ── Card wrapper ── */
.login-wrapper {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 420px;
    padding: 1.5rem;
}

.login-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-card);
    padding: 2.5rem 2rem;
    backdrop-filter: blur(24px) saturate(160%);
    -webkit-backdrop-filter: blur(24px) saturate(160%);
    box-shadow: 0 0 0 1px rgba(255,255,255,0.03) inset, 0 32px 80px rgba(0, 0, 0, 0.7), 0 0 40px rgba(91, 142, 255, 0.07);
    animation: cardIn 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes cardIn {
    from {
        opacity: 0;
        transform: translateY(24px) scale(0.97);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ── Header ── */
.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.orbit-icon {
    position: relative;
    width: 52px;
    height: 52px;
    margin: 0 auto 1rem;
}

.planet {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: radial-gradient(135deg, var(--accent-blue) 0%, var(--accent-violet) 100%);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 16px rgba(91,142,255,0.5);
}

.ring {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 52px;
    height: 18px;
    border: 2px solid rgba(91,142,255,0.45);
    border-radius: 50%;
    transform: translate(-50%, -50%) rotateX(68deg);
    animation: spin 8s linear infinite;
}

@keyframes spin {
    from {
        transform: translate(-50%, -50%) rotateX(68deg) rotateZ(0deg);
    }

    to {
        transform: translate(-50%, -50%) rotateX(68deg) rotateZ(360deg);
    }
}

.brand-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2rem;
    font-weight: 300;
    letter-spacing: 0.06em;
    color: var(--star-white);
    line-height: 1;
}

.brand-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-top: 0.35rem;
}

/* ── Error banner ── */
.error-banner {
    background: rgba(255, 107, 107, 0.10);
    border: 1px solid rgba(255, 107, 107, 0.25);
    border-radius: var(--radius-input);
    color: var(--danger);
    font-size: 0.85rem;
    padding: 0.6rem 0.9rem;
    margin-bottom: 1.25rem;
    text-align: center;
}

/* ── Form ── */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.field-group {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.field-label {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.input-wrap {
    position: relative;
}

.field-input {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-input);
    color: var(--text-primary);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.9rem;
    padding: 0.7rem 2.4rem 0.7rem 0.9rem;
    transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
    outline: none;
}

    .field-input::placeholder {
        color: var(--text-faint);
    }

    .field-input:hover {
        border-color: rgba(91, 142, 255, 0.3);
        background: rgba(91, 142, 255, 0.04);
    }

    .field-input:focus {
        border-color: rgba(91, 142, 255, 0.6);
        background: rgba(91, 142, 255, 0.06);
        box-shadow: 0 0 0 3px rgba(91, 142, 255, 0.12);
    }

.input-icon {
    position: absolute;
    right: 0.8rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.8rem;
    color: var(--text-faint);
    pointer-events: none;
}

.field-error {
    font-size: 0.78rem;
    color: var(--danger);
}

/* ── Submit button ── */
.btn-login {
    margin-top: 0.5rem;
    width: 100%;
    background: linear-gradient(135deg, rgba(91,142,255,0.85) 0%, rgba(157,111,255,0.85) 100%);
    border: 1px solid rgba(91,142,255,0.4);
    border-radius: var(--radius-input);
    color: #fff;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.88rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    padding: 0.8rem 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}

    .btn-login:hover {
        transform: translateY(-1px);
        box-shadow: 0 8px 28px rgba(91, 142, 255, 0.35);
        filter: brightness(1.1);
    }

    .btn-login:active {
        transform: translateY(0);
        box-shadow: none;
    }

.btn-arrow {
    transition: transform var(--transition);
}

.btn-login:hover .btn-arrow {
    transform: translateX(4px);
}

/* ── Responsive ── */
@media (max-width: 480px) {
    .login-card {
        padding: 2rem 1.5rem;
    }

    .brand-title {
        font-size: 1.7rem;
    }
}