/* Shared Auth Styles (Common between login, register, forgot password) */
.navbar, footer {
    display: none !important;
}

.auth-form-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--gk-tint-blue) 100%);
    padding: var(--spacing-md);
    position: relative;
    overflow: hidden;
}

/* Back-to-home link, fixed to the top-left corner of the viewport */
.auth-back-home,
.auth-back-home:visited {
    position: fixed;
    top: 1.25rem;
    left: 1.25rem;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 999px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.auth-back-home:hover,
.auth-back-home:visited:hover {
    color: var(--text-primary);
    border-color: var(--border-medium);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.auth-back-home i {
    color: var(--primary);
    font-size: 0.8rem;
}

.auth-form-wrapper {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
    padding: 2rem 1.85rem;
    width: 100%;
    max-width: 460px;
    min-width: 0;
    position: relative;
    z-index: 1;
    animation: slideUp 0.5s ease-out;
    overflow: hidden;
}

.auth-form-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--gk-gradient);
}

.auth-form-header {
    text-align: center;
    margin-bottom: 1.25rem;
}

.auth-logo-wrap {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    margin: 0 auto 0.75rem;
    background: var(--gk-tint-blue);
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: float 3s ease-in-out infinite;
    overflow: hidden;
}

.auth-logo {
    width: 100% !important;
    height: 100% !important;
    max-width: none !important;
    object-fit: cover;
    border-radius: 50%;
    transform: scale(1.6);
}

.auth-form-header h1 {
    color: var(--text-primary);
    font-size: 1.55rem;
    margin-bottom: 0.35rem;
    font-weight: var(--font-bold);
}

.auth-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.45;
}

.auth-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: 1.25rem;
    border-bottom: 2px solid var(--border-light);
}

.auth-tab,
.auth-tab:visited {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: center;
    text-decoration: none;
    color: var(--text-secondary);
    border-bottom: 3px solid transparent;
    transition: var(--transition);
    font-weight: var(--font-medium);
}

.auth-tab:hover,
.auth-tab:visited:hover {
    color: var(--primary-dark);
}

.auth-tab.active,
.auth-tab.active:visited {
    color: var(--primary-dark);
    font-weight: var(--font-semibold);
    position: relative;
}

.auth-tab.active::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -3px;
    transform: translateX(-50%);
    width: 60%;
    height: 3px;
    border-radius: 2px;
    background: var(--gk-gradient);
}

.form-group {
    margin-bottom: 0.9rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.3rem;
    color: var(--text-primary);
    font-weight: var(--font-medium);
    font-size: var(--text-sm);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.6rem 0.9rem;
    border: 2px solid var(--border-light);
    border-radius: var(--border-radius-sm);
    font-size: var(--text-base);
    color: var(--text-primary);
    background: var(--bg-card);
    transition: var(--transition);
    font-family: var(--font-sans), sans-serif;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--gk-blue);
    box-shadow: 0 0 0 3px rgba(46, 155, 240, 0.14);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.required {
    color: var(--danger);
}

/* Gradient CTA — scoped to auth forms so the shared .btn-primary elsewhere is untouched */
.auth-form .btn-primary,
.auth-form-wrapper .btn-primary {
    background: var(--gk-gradient) !important;
    color: #071018 !important;
    border: none !important;
}

.auth-form .btn-primary:hover:not(:disabled),
.auth-form-wrapper .btn-primary:hover:not(:disabled) {
    filter: brightness(1.05);
    box-shadow: 0 10px 24px rgba(76, 224, 107, 0.22);
    color: #071018 !important;
}

.auth-form .btn-outline {
    background: transparent;
    border: 1.5px solid var(--gk-blue);
    color: var(--primary-dark);
    padding: 0.6rem 1.25rem;
    border-radius: var(--border-radius-sm, 8px);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.auth-form .btn-outline:hover:not(:disabled) {
    background: var(--gk-tint-blue);
}

.auth-link,
.auth-link:visited {
    color: var(--primary-dark);
    font-weight: 600;
    text-decoration: none;
}

.auth-link:hover,
.auth-link:visited:hover {
    text-decoration: underline;
}

/* Animations */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.15);
        opacity: 0.7;
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@media (max-width: 768px) {
    .auth-form-wrapper {
        padding: var(--spacing-md);
        margin: var(--spacing-sm);
    }

    .auth-form-header h1 {
        font-size: var(--text-2xl);
    }
}

@media (max-width: 480px) {
    .auth-form-container {
        padding: var(--spacing-sm);
        padding-top: 1.25rem;
    }

    .auth-back-home,
    .auth-back-home:visited {
        position: relative;
        top: auto;
        left: auto;
        margin-bottom: 1rem;
        font-size: 0.78rem;
        padding: 0.4rem 0.85rem;
    }

    .auth-form-wrapper {
        padding: 1.1rem;
        border-radius: var(--border-radius-sm);
    }

    .auth-form-header {
        margin-bottom: 0.85rem;
    }

    .auth-logo-wrap {
        width: 48px;
        height: 48px;
        margin-bottom: 0.5rem;
    }

    .auth-form-header h1 {
        font-size: clamp(1.15rem, 5.5vw, 1.25rem);
        margin-bottom: 0.2rem;
    }

    .auth-subtitle {
        font-size: var(--text-sm);
    }

    .auth-tabs {
        margin-bottom: 0.85rem;
    }

    .auth-tab {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--text-sm);
    }

    .form-group {
        margin-bottom: 0.65rem;
    }

    .form-group label {
        margin-bottom: 0.2rem;
    }

    .form-group input {
        font-size: var(--text-sm);
        padding: 9px 12px;
    }
}

@media (max-width: 400px) {
    .auth-form-container {
        padding: 0.65rem;
    }

    .auth-form-wrapper {
        padding: 0.85rem;
    }

    .auth-form-header h1 {
        overflow-wrap: anywhere;
    }
}

/* Dark mode */
[data-theme="dark"] .auth-form-container {
    background: var(--bg-primary);
}

[data-theme="dark"] .auth-logo-wrap {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}