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

:root {
    --bg: #f4f6fb;
    --surface: #ffffff;
    --border: rgba(42, 82, 152, 0.12);
    --accent: #2a5298;
    --accent-light: #1e3c72;
    --accent-dim: rgba(42, 82, 152, 0.08);
    --text: #1a2847;
    --muted: #6b7280;
    --error: #ff4d4d;
}

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

/* Ambient blobs */
body::before,
body::after {
    content: '';
    position: fixed;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.22;
    pointer-events: none;
}

body::before {
    width: 500px;
    height: 500px;
    background: #2a5298;
    top: -150px;
    right: -100px;
}

body::after {
    width: 400px;
    height: 400px;
    background: #1e3c72;
    bottom: -120px;
    left: -80px;
}

/* Grid texture */
.grid-bg {
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(42, 82, 152, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(42, 82, 152, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: 0;
}

.wrapper {
    position: relative;
    z-index: 1;
    display: flex;
    gap: 0;
    width: 880px;
    max-width: 95vw;
    min-height: 520px;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: 0 32px 80px rgba(42, 82, 152, 0.15), 0 0 0 1px rgba(255, 255, 255, 0.8);
    animation: slideUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(32px);
    }

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

/* Left panel */
.panel-left {
    flex: 1;
    background: linear-gradient(180deg, #1e3c72 0%, #2a5298 100%);
    padding: 52px 44px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.panel-left::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.12) 0%, transparent 70%);
    top: -50px;
    left: -50px;
    border-radius: 50%;
}

.brand {
    position: relative;
    z-index: 1;
}

.brand-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 100px;
    padding: 6px 14px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #ffffff;
    margin-bottom: 28px;
}

.brand-badge span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #ffffff;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(0.8);
    }
}

.brand h1 {
    font-family: 'DM Serif Display', serif;
    font-size: 42px;
    line-height: 1.1;
    color: #ffffff;
    margin-bottom: 16px;
}

.brand h1 em {
    font-style: italic;
    color: rgba(255, 255, 255, 0.7);
}

.brand p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    max-width: 260px;
}

.stats {
    display: flex;
    gap: 24px;
    position: relative;
    z-index: 1;
}

.stat {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 16px 20px;
}

.stat-num {
    font-family: 'DM Serif Display', serif;
    font-size: 26px;
    color: #ffffff;
}

.stat-label {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.55);
    margin-top: 2px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* Right panel */
.panel-right {
    width: 400px;
    background: var(--surface);
    padding: 52px 44px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.login-header {
    margin-bottom: 36px;
}

.login-header h2 {
    font-family: 'DM Serif Display', serif;
    font-size: 28px;
    color: var(--text);
    margin-bottom: 8px;
}

.login-header p {
    font-size: 13px;
    color: var(--muted);
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 8px;
}

input {
    width: 100%;
    background: #f4f6fb;
    border: 1px solid rgba(42, 82, 152, 0.18);
    border-radius: 10px;
    padding: 13px 16px;
    font-family: 'DM Sans', sans-serif;
    font-size: 14px;
    color: var(--text);
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
    outline: none;
}

input::placeholder {
    color: #b0b8c8;
}

input:focus {
    border-color: rgba(42, 82, 152, 0.5);
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(42, 82, 152, 0.1);
}

.error-msg {
    background: rgba(255, 77, 77, 0.08);
    border: 1px solid rgba(255, 77, 77, 0.25);
    border-radius: 10px;
    padding: 12px 16px;
    font-size: 13px;
    color: var(--error);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    animation: shake 0.4s cubic-bezier(0.36, 0.07, 0.19, 0.97);
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    20% {
        transform: translateX(-6px);
    }

    40% {
        transform: translateX(6px);
    }

    60% {
        transform: translateX(-4px);
    }

    80% {
        transform: translateX(4px);
    }
}

.btn-login {
    width: 100%;
    background: linear-gradient(180deg, #1e3c72 0%, #2a5298 100%);
    color: #ffffff;
    border: none;
    border-radius: 10px;
    padding: 14px;
    font-family: 'DM Sans', sans-serif;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s, filter 0.15s;
    margin-top: 4px;
    position: relative;
    overflow: hidden;
}

.btn-login::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, transparent 60%);
}

.btn-login:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(42, 82, 152, 0.35);
    filter: brightness(1.1);
}

.btn-login:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(42, 82, 152, 0.2);
}

.dev-note {
    margin-top: 28px;
    padding: 12px 14px;
    background: rgba(42, 82, 152, 0.04);
    border: 1px dashed rgba(42, 82, 152, 0.2);
    border-radius: 8px;
    font-size: 11.5px;
    color: var(--muted);
    line-height: 1.6;
}

.dev-note strong {
    color: var(--accent);
}

@media (max-width: 700px) {
    .wrapper {
        flex-direction: column;
        width: 95vw;
    }

    .panel-left {
        padding: 36px 28px;
        min-height: auto;
    }

    .panel-right {
        width: 100%;
        padding: 36px 28px;
    }

    .stats {
        display: none;
    }

    .brand h1 {
        font-size: 32px;
    }
}