body.theme-light.auth-login {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(2rem, 5vh, 3rem) clamp(1.25rem, 4vw, 2.25rem);
    position: relative;
    overflow: hidden;
    background: var(--color-bg-base);
    margin: 0;
    box-sizing: border-box;
}

body.theme-light.auth-login::before,
body.theme-light.auth-login::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.55;
    z-index: 0;
}

body.theme-light.auth-login::before {
    width: 420px;
    height: 420px;
    top: -120px;
    inset-inline-start: -140px;
    background: rgba(2, 132, 199, 0.12);
}

body.theme-light.auth-login::after {
    width: 520px;
    height: 520px;
    bottom: -160px;
    inset-inline-end: -180px;
    background: rgba(15, 118, 110, 0.14);
}

.auth-login__container {
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 1;
    margin: 0 auto;
}

.auth-card {
    background: #FFFFFF;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-hard);
    padding: 3rem 2.75rem 2.5rem;
    backdrop-filter: blur(24px);
    position: relative;
    overflow: hidden;
}

.auth-card::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    border: 1px solid var(--color-border);
    mask: linear-gradient(#fff, transparent 65%);
    pointer-events: none;
}

.auth-card__header {
    text-align: center;
    margin-bottom: 2.25rem;
}

.auth-card__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    font-size: 0.75rem;
    letter-spacing: 0.04em;
    color: var(--color-accent-secondary);
    background: rgba(15, 118, 110, 0.14);
    border: 1px solid rgba(15, 118, 110, 0.14);
    box-shadow: 0 0 0 1px rgba(15, 118, 204, 0.2);
}

.auth-card__title {
    font-size: 1.35rem;
    font-weight: 700;
    margin: 1rem 0 0.5rem;
    color: var(--color-text-primary);
}

.auth-card__subtitle {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin: 0;
}

.auth-card .form-group {
    margin-bottom: 1.5rem;
}

.auth-card label,
.auth-card .form-label {
    display: inline-block;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.auth-card .form-control {
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: #FFFFFF;
    color: var(--color-text-primary);
    padding: 0.85rem 1rem;
    font-size: 0.95rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.auth-card .form-control::placeholder {
    color: var(--color-text-tertiary);
}

.auth-card .form-control:focus {
    background: #FFFFFF;
    border-color: rgba(15, 118, 110, 0.14);
    box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.14);
    color: var(--color-text-primary);
}

.auth-card .form-control:hover {
    border-color: var(--color-border);
}

.auth-card input[type="password"] {
    direction: ltr;
    text-align: left;
    font-family: "SFMono-Regular", "Courier New", monospace;

}

.auth-card .text-danger {
    font-size: 0.78rem;
    margin-top: 0.4rem;
}

.auth-card .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    border-radius: var(--radius-sm);
    background: var(--color-accent-primary);
    border: 1px solid var(--color-accent-primary);
    padding: 0.9rem 1.5rem;
    font-weight: 600;
    font-size: 0.95rem;
    color: #FFFFFF;
    box-shadow: var(--shadow-soft);
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.auth-card .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 35px -14px rgba(15, 118, 110, 0.14);
    filter: brightness(1.02);
}

.auth-card .btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 12px 25px -10px rgba(15, 118, 110, 0.14);
}

.auth-card .btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.auth-card .btn-primary .fa-spinner {
    margin-inline-start: 0.25rem;
}

.auth-card__footer {
    margin-top: 1.75rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.auth-card__footer a {
    color: var(--color-accent-primary);
    transition: color 0.2s ease, opacity 0.2s ease;
}

.auth-card__footer a:hover {
    color: var(--color-accent-purple);
}

.auth-card .loading-area {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: #FFFFFF;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.auth-card .loading-area.show {
    display: flex;
}

.auth-card .loading-area::after {
    content: "";
    width: 54px;
    height: 54px;
    border-radius: 50%;
    border: 3px solid rgba(15, 118, 110, 0.14);
    border-top-color: rgba(15, 118, 110, 0.14);
    animation: auth-spinner 1s linear infinite;
}

/* Puzzle CAPTCHA */
.puzzle-captcha {
    margin-bottom: 1.35rem !important;
}

.puzzle-captcha__label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.55rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.puzzle-captcha__refresh {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    background: #FFFFFF;
    color: #0F766E;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease;
}

.puzzle-captcha__refresh:hover {
    background: #F8FAFC;
    border-color: #CBD5E1;
}

.puzzle-captcha__board {
    position: relative;
    width: 100%;
    height: 148px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--color-border);
    direction: ltr;
    user-select: none;
    touch-action: none;
}

.puzzle-captcha__bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(15, 118, 110, 0.35), transparent 42%),
        radial-gradient(circle at 80% 20%, rgba(2, 132, 199, 0.28), transparent 40%),
        radial-gradient(circle at 50% 80%, rgba(5, 150, 105, 0.22), transparent 45%),
        linear-gradient(135deg, #0F766E 0%, #0d9488 42%, #0284C7 100%);
}

.puzzle-captcha__bg::before {
    content: "";
    position: absolute;
    inset: 0;
    opacity: 0.22;
    background-image:
        repeating-linear-gradient(45deg, rgba(255,255,255,0.18) 0 8px, transparent 8px 16px),
        repeating-linear-gradient(-45deg, rgba(15,23,42,0.12) 0 10px, transparent 10px 20px);
}

.puzzle-captcha__hole,
.puzzle-captcha__piece {
    position: absolute;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    box-sizing: border-box;
}

.puzzle-captcha__hole {
    background: rgba(15, 23, 42, 0.28);
    border: 2px dashed rgba(255, 255, 255, 0.55);
    box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.15);
    z-index: 1;
}

.puzzle-captcha__piece {
    background:
        linear-gradient(145deg, rgba(255,255,255,0.35), transparent 55%),
        linear-gradient(135deg, #14b8a6, #0F766E 55%, #0369a1);
    border: 2px solid rgba(255, 255, 255, 0.75);
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.28);
    z-index: 2;
    cursor: grab;
    left: 0;
    transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.puzzle-captcha__piece::after {
    content: "";
    position: absolute;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: inherit;
    border: 2px solid rgba(255, 255, 255, 0.75);
    top: 50%;
    right: -9px;
    transform: translateY(-50%);
    box-shadow: 2px 0 0 rgba(15, 23, 42, 0.08);
}

.puzzle-captcha__piece.is-dragging {
    cursor: grabbing;
    transform: scale(1.04);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.35);
}

.puzzle-captcha.is-solved .puzzle-captcha__piece {
    border-color: #6EE7B7;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.35);
}

.puzzle-captcha.is-solved .puzzle-captcha__hole {
    border-color: rgba(110, 231, 183, 0.9);
    background: rgba(16, 185, 129, 0.18);
}

.puzzle-captcha__slider-wrap {
    margin-top: 0.7rem;
}

.puzzle-captcha__track {
    position: relative;
    height: 42px;
    border-radius: 999px;
    background: #F1F5F9;
    border: 1px solid var(--color-border);
    direction: ltr;
    overflow: hidden;
    touch-action: none;
    user-select: none;
}

.puzzle-captcha__fill {
    position: absolute;
    inset: 0 auto 0 0;
    width: 0;
    background: linear-gradient(90deg, rgba(15, 118, 110, 0.18), rgba(15, 118, 110, 0.32));
    border-radius: inherit;
    pointer-events: none;
}

.puzzle-captcha__thumb {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(15, 118, 110, 0.25);
    background: #FFFFFF;
    color: #0F766E;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: grab;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.12);
    z-index: 2;
    padding: 0;
}

.puzzle-captcha__thumb:active,
.puzzle-captcha__thumb.is-dragging {
    cursor: grabbing;
}

.puzzle-captcha.is-solved .puzzle-captcha__thumb {
    background: #0F766E;
    color: #FFFFFF;
    border-color: #0F766E;
}

.puzzle-captcha.is-solved .puzzle-captcha__fill {
    background: rgba(16, 185, 129, 0.28);
}

.puzzle-captcha__hint {
    margin: 0.45rem 0 0;
    font-size: 0.78rem;
    color: var(--color-text-tertiary);
    text-align: center;
}

.puzzle-captcha.is-solved .puzzle-captcha__hint {
    color: #059669;
    font-weight: 600;
}

@keyframes auth-spinner {
    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 576px) {
    body.theme-light.auth-login {
        padding: 1.75rem 1.25rem;
    }

    .auth-card {
        padding: 2.5rem 1.75rem 2rem;
    }

    .auth-card__title {
        font-size: 1.2rem;
    }
}