:root {
    --login-primary: #4f46e5;
    --login-primary-dark: #4338ca;
    --login-accent: #06b6d4;
    --login-surface: rgba(255, 255, 255, 0.92);
    --login-text: #0f172a;
    --login-muted: #64748b;
    --login-border: #e2e8f0;
    --login-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
}

* {
    box-sizing: border-box;
}

body.login-page {
    min-height: 100vh;
    margin: 0;
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
    color: var(--login-text);
    background: #0f172a;
    overflow-x: hidden;
}

.login-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(79, 70, 229, 0.35), transparent 45%),
        radial-gradient(circle at 80% 0%, rgba(6, 182, 212, 0.25), transparent 40%),
        radial-gradient(circle at 50% 100%, rgba(99, 102, 241, 0.2), transparent 50%),
        linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
}

.login-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.6;
}

.login-wrapper {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.login-card {
    width: 100%;
    max-width: 440px;
    background: var(--login-surface);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 1.25rem;
    box-shadow: var(--login-shadow);
    overflow: hidden;
    animation: fadeUp 0.5s ease-out;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    padding: 2rem 2rem 0;
    text-align: center;
}

.login-logo {
    width: 56px;
    height: 56px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--login-primary), var(--login-accent));
    border-radius: 1rem;
    color: #fff;
    font-size: 1.5rem;
    box-shadow: 0 10px 25px rgba(79, 70, 229, 0.35);
}

.login-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 0.35rem;
    letter-spacing: -0.02em;
}

.login-header p {
    color: var(--login-muted);
    margin: 0;
    font-size: 0.95rem;
}

.login-body {
    padding: 1.75rem 2rem 2rem;
}

.form-floating > .form-control {
    border-radius: 0.75rem;
    border-color: var(--login-border);
    padding-top: 1.625rem;
    padding-bottom: 0.625rem;
}

.form-floating > .form-control:focus {
    border-color: var(--login-primary);
    box-shadow: 0 0 0 0.2rem rgba(79, 70, 229, 0.15);
}

.form-floating > label {
    color: var(--login-muted);
}

.password-toggle-wrap {
    position: relative;
}

.password-toggle-wrap .form-control {
    padding-right: 3rem;
}

.password-toggle-btn {
    position: absolute;
    top: 50%;
    right: 0.75rem;
    transform: translateY(-50%);
    z-index: 5;
    border: none;
    background: transparent;
    color: var(--login-muted);
    padding: 0.25rem;
    line-height: 1;
    cursor: pointer;
    border-radius: 0.375rem;
    transition: color 0.15s ease;
}

.password-toggle-btn:hover {
    color: var(--login-primary);
}

.btn-login {
    background: linear-gradient(135deg, var(--login-primary), var(--login-primary-dark));
    border: none;
    border-radius: 0.75rem;
    padding: 0.75rem 1.25rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
}

.btn-login:hover {
    background: linear-gradient(135deg, var(--login-primary-dark), #3730a3);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

.btn-login:active {
    transform: translateY(0);
}

.form-check-input:checked {
    background-color: var(--login-primary);
    border-color: var(--login-primary);
}

.form-check-input:focus {
    box-shadow: 0 0 0 0.2rem rgba(79, 70, 229, 0.15);
}

.login-footer {
    padding: 0 2rem 1.75rem;
    text-align: center;
    font-size: 0.875rem;
    color: var(--login-muted);
}

.login-footer a {
    color: var(--login-primary);
    text-decoration: none;
    font-weight: 500;
}

.login-footer a:hover {
    text-decoration: underline;
}

.alert-login {
    border-radius: 0.75rem;
    border: none;
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
}

@media (max-width: 480px) {
    .login-header,
    .login-body,
    .login-footer {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }
}