:root {
    --blue-primary: #0d6efd;
    --blue-light: #3d8bfd;
    --blue-pale: #eef3ff;
    --text-dark: #1a2b4a;
    --text-muted: #7a90ab;
    --border-color: #e8edf5;
}

* {
    -webkit-font-smoothing: antialiased;
    box-sizing: border-box;
}

body {
    font-family: "Plus Jakarta Sans", sans-serif;
    background: #f2f6ff;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
}

/* Background decoration */
body::before {
    content: "";
    position: fixed;
    top: -160px;
    right: -160px;
    width: 480px;
    height: 480px;
    border-radius: 50%;
    background: radial-gradient(
        circle,
        rgba(13, 110, 253, 0.1) 0%,
        transparent 70%
    );
    pointer-events: none;
}

body::after {
    content: "";
    position: fixed;
    bottom: -160px;
    left: -160px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(
        circle,
        rgba(61, 139, 253, 0.08) 0%,
        transparent 70%
    );
    pointer-events: none;
}

/* Card */
.login-wrapper {
    width: 100%;
    max-width: 440px;
    animation: fadeUp 0.45s ease both;
}

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

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

/* Brand */
.brand-header {
    text-align: center;
    margin-bottom: 28px;
}

.brand-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #0d6efd, #3d8bfd);
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
    box-shadow: 0 6px 20px rgba(13, 110, 253, 0.35);
    margin-bottom: 14px;
}

.brand-name {
    font-size: 26px;
    font-weight: 800;
    color: var(--text-dark);
    letter-spacing: -0.5px;
    margin: 0;
}

.brand-name span {
    color: var(--blue-primary);
}

.brand-tagline {
    font-size: 14px;
    color: var(--text-muted);
    margin: 4px 0 0;
}

/* Login Card */
.login-card {
    background: #ffffff;
    border-radius: 24px;
    padding: 32px;
    box-shadow: 0 4px 32px rgba(13, 110, 253, 0.1);
    border: 1px solid var(--border-color);
}

.card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.card-subtitle {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 24px;
}

/* Form */
.form-label {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 6px;
    letter-spacing: 0.2px;
}

.input-wrap {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: #b0bfcf;
    font-size: 14px;
    pointer-events: none;
    z-index: 5;
}

.form-control {
    border: 1.5px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 14px 12px 40px;
    font-size: 14px;
    font-family: "Plus Jakarta Sans", sans-serif;
    font-weight: 500;
    color: var(--text-dark);
    background: #f7f9ff;
    transition: all 0.2s ease;
}

.form-control::placeholder {
    color: #b0bfcf;
    font-weight: 400;
}

.form-control:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.12);
    border-color: var(--blue-primary);
    background: #fff;
}

.form-control.is-invalid {
    border-color: #e5385a;
    background: #fff7f9;
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(229, 56, 90, 0.12);
}

/* Password Toggle */
.password-input-wrap {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #b0bfcf;
    font-size: 15px;
    cursor: pointer;
    padding: 0;
    transition: color 0.2s ease;
    z-index: 5;
}

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

.password-input-wrap .form-control {
    padding-right: 44px;
}

/* Error Alert */
.alert-custom {
    background: #fff0f3;
    border: 1px solid #ffd0da;
    border-radius: 12px;
    color: #c0284a;
    font-size: 13px;
    font-weight: 600;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
}

.invalid-feedback {
    font-size: 12px;
    font-weight: 600;
    color: #e5385a;
    margin-top: 5px;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Submit Button */
.btn-login {
    width: 100%;
    background: linear-gradient(135deg, #0d6efd, #3d8bfd);
    border: none;
    border-radius: 12px;
    padding: 14px;
    font-family: "Plus Jakarta Sans", sans-serif;
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(13, 110, 253, 0.35);
    transition: all 0.2s ease;
    margin-top: 8px;
    letter-spacing: 0.2px;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(13, 110, 253, 0.45);
}

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

/* Language Switcher */
.lang-footer {
    text-align: center;
    margin-top: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.lang-footer span {
    font-size: 12px;
    color: var(--text-muted);
}

.lang-switch {
    display: flex;
    align-items: center;
    background: #fff;
    border-radius: 8px;
    padding: 3px;
    gap: 2px;
    border: 1px solid var(--border-color);
}

.lang-btn {
    text-decoration: none;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    padding: 4px 10px;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.lang-btn:hover {
    color: var(--blue-primary);
}

.lang-btn.active {
    background: var(--blue-primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(13, 110, 253, 0.3);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #f0f4ff;
}

::-webkit-scrollbar-thumb {
    background: #b8cbff;
    border-radius: 4px;
}