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

:root {
    --navy: #0f1e3d;
    --blue: #1e4db7;
    --blue-light: #2e6be6;
    --accent: #f5a623;
    --white: #ffffff;
    --gray-100: #f4f6fb;
    --gray-200: #e8ecf4;
    --gray-400: #9aa3b8;
    --gray-600: #5a6380;
    --text: #1a1f36;
}

body {
    font-family: "DM Sans", sans-serif;
    min-height: 100vh;
    display: flex;
    background: var(--gray-100);
}

/* LEFT PANEL */
.left-panel {
    width: 40%;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.left-panel .bg-image {
    position: absolute;
    inset: 0;
    background: url("https://images.unsplash.com/photo-1544620347-c4fd4a3d5957?w=900&q=80")
        center/cover no-repeat;
    z-index: 0;
}

.left-panel .overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        160deg,
        rgba(10, 20, 60, 0.88) 0%,
        rgba(15, 40, 100, 0.7) 50%,
        rgba(5, 15, 40, 0.92) 100%
    );
    z-index: 1;
}

.top-brand {
    position: relative;
    z-index: 2;
    padding: 36px 40px;
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-logo {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.brand-name {
    font-family: "Playfair Display", serif;
    font-size: 20px;
    color: var(--white);
}

.brand-tagline {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.55);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-top: 2px;
}

.bottom-text {
    position: relative;
    z-index: 2;
    padding: 40px;
}

.bottom-text h2 {
    font-family: "Playfair Display", serif;
    font-size: 26px;
    color: var(--white);
    line-height: 1.35;
    margin-bottom: 10px;
}

.bottom-text p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
}

.accent-line {
    width: 40px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
    margin-bottom: 16px;
}

/* RIGHT PANEL */
.right-panel {
    width: 60%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    background: var(--white);
    overflow-y: auto;
}

.form-container {
    width: 100%;
    max-width: 440px;
    animation: fadeUp 0.5s ease both;
}

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

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

.form-header {
    margin-bottom: 28px;
}

.form-header .welcome {
    font-size: 13px;
    font-weight: 500;
    color: var(--blue);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.form-header h1 {
    font-family: "Playfair Display", serif;
    font-size: 28px;
    color: var(--text);
    margin-bottom: 6px;
}

.form-header p {
    font-size: 14px;
    color: var(--gray-600);
}

.alert {
    padding: 12px 16px;
    border-radius: 10px;
    margin-bottom: 18px;
    font-size: 13px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
}

.alert-danger {
    background: #fde8e8;
    color: #9b1c1c;
    border-left: 3px solid #f05252;
}

/* 2 column grid for some fields */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 16px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 6px;
}

.form-group input {
    width: 100%;
    padding: 11px 16px;
    border: 1.5px solid var(--gray-200);
    border-radius: 10px;
    background: var(--gray-100);
    font-size: 14px;
    font-family: "DM Sans", sans-serif;
    color: var(--text);
    transition: all 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--blue-light);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(46, 107, 230, 0.1);
}

.form-group input::placeholder {
    color: var(--gray-400);
}

.form-group input.error {
    border-color: #f05252;
}

span.error {
    font-size: 12px;
    color: #f05252;
    margin-top: 4px;
    display: block;
}

.password-wrapper {
    position: relative;
}

.password-wrapper input {
    padding-right: 44px;
}

.toggle-password {
    position: absolute;
    right: 13px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    font-size: 19px;
    color: var(--gray-400);
    transition: color 0.2s;
    user-select: none;
}

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

.btn-submit {
    width: 100%;
    padding: 13px;
    background: linear-gradient(135deg, var(--blue) 0%, var(--blue-light) 100%);
    color: var(--white);
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    font-family: "DM Sans", sans-serif;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(30, 77, 183, 0.35);
}

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

.bottom-links {
    text-align: center;
    margin-top: 18px;
    font-size: 13px;
    color: var(--gray-600);
}

.bottom-links a {
    color: var(--blue);
    font-weight: 600;
    text-decoration: none;
}

.bottom-links a:hover {
    text-decoration: underline;
}

.back-link {
    text-align: center;
    margin-top: 10px;
}

.back-link a {
    font-size: 13px;
    color: var(--gray-400);
    text-decoration: none;
    transition: color 0.2s;
}

.back-link a:hover {
    color: var(--blue);
}

@media (max-width: 768px) {
    body {
        flex-direction: column;
    }

    .left-panel {
        width: 100%;
        min-height: 180px;
    }

    .right-panel {
        width: 100%;
        padding: 28px 20px;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }
}