@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

:root {
    --bg-color: #0b0f14;
    --font-family: 'Poppins', sans-serif;
    --theme-color: #2563eb;
    --theme-glow-rgb: 37, 99, 235;
    --shade-color: #41506a;
    --bulb-color: #e8f0ff;
    --light-opacity: 0.15;
    --btn-text-color: #ffffff;
    --btn-bg: #2563eb;
    --panel-bg: rgba(18, 24, 32, 0.78);
    --panel-border: rgba(255, 255, 255, 0.08);
    --input-bg: #151a21;
    --input-border: #2a2f37;
    --text-muted: #9ca3af;
    --danger-bg: #3a1717;
    --danger-border: #7f1d1d;
    --danger-text: #fecaca;
}

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

body {
    background:
        radial-gradient(circle at top center, rgba(var(--theme-glow-rgb), 0.12), transparent 30%),
        var(--bg-color);
    color: #ffffff;
    font-family: var(--font-family);
    min-height: 100vh;
    overflow-x: hidden;
}

.login-layout {
    width: 100%;
    max-width: 1180px;
    min-height: 100vh;
    margin: 0 auto;
    padding: 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.lamp-section {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.lamp-svg {
    width: 100%;
    max-width: 360px;
    height: auto;
    overflow: visible;
    filter: drop-shadow(0 20px 30px rgba(0, 0, 0, 0.45));
}

.shade-main {
    fill: var(--shade-color);
    transition: fill 0.6s ease;
}

.shade-inner {
    fill: var(--bulb-color);
    transition: fill 0.6s ease;
}

.light-cone {
    opacity: var(--light-opacity);
    transition: opacity 0.6s ease;
}

.face-sleep {
    transition: opacity 0.3s ease;
}

.face-awake {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.pull-string-group {
    cursor: pointer;
    transform-origin: top;
    transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.pull-string-group:hover .string-handle {
    stroke: #ffffff;
}

.lamp-ambient-glow {
    position: absolute;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(var(--theme-glow-rgb), 0.18) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: -1;
    transition: background 0.6s ease;
    pointer-events: none;
}

.form-section {
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-card {
    width: 100%;
    max-width: 430px;
    background: var(--panel-bg);
    backdrop-filter: blur(12px);
    padding: 2.8rem 2.3rem;
    border-radius: 22px;
    border: 1px solid var(--panel-border);
    box-shadow:
        0 0 30px rgba(var(--theme-glow-rgb), 0.14),
        inset 0 0 15px rgba(255, 255, 255, 0.02);
    transition: box-shadow 0.6s ease, border-color 0.6s ease;
}

.brand-block {
    margin-bottom: 1.8rem;
}

.brand-kicker {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #93c5fd;
    margin-bottom: 0.7rem;
}

.brand-block h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
}

.brand-block p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

.alert-error {
    background: var(--danger-bg);
    border: 1px solid var(--danger-border);
    color: var(--danger-text);
    padding: 0.9rem 1rem;
    border-radius: 12px;
    margin-bottom: 1.2rem;
    font-size: 0.92rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.15rem;
}

.input-group {
    display: flex;
    flex-direction: column;
}

.input-group label {
    font-size: 0.85rem;
    color: #c7ced7;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.input-group input {
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    padding: 0.95rem 1rem;
    border-radius: 12px;
    color: #ffffff;
    outline: none;
    transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease;
}

.input-group input::placeholder {
    color: #7b8794;
}

.input-group input:focus {
    border-color: var(--theme-color);
    box-shadow: 0 0 0 4px rgba(var(--theme-glow-rgb), 0.16);
}

.login-btn {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 12px;
    background: var(--btn-bg);
    color: var(--btn-text-color);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    margin-top: 0.4rem;
    transition: transform 0.25s ease, filter 0.25s ease, background 0.4s ease;
}

.login-btn:hover {
    filter: brightness(1.08);
    transform: translateY(-2px);
}

.login-footer {
    margin-top: 1.4rem;
    text-align: center;
}

.forgot-pass {
    color: #8b95a1;
    text-decoration: none;
    font-size: 0.92rem;
    transition: color 0.2s ease;
}

.forgot-pass:hover {
    color: #ffffff;
}

@media (max-width: 900px) {
    .login-layout {
        grid-template-columns: 1fr;
        padding: 1.5rem;
        gap: 1rem;
    }

    .lamp-section {
        order: 1;
    }

    .form-section {
        order: 2;
    }

    .lamp-svg {
        max-width: 250px;
    }

    .login-card {
        max-width: 100%;
    }
}