:root {
    --bg: #f3f7f4;
    --card: #ffffff;
    --accent: #31473A;
    --muted: #6b6b6b;
    --radius: 12px;
    --shadow: 0 12px 30px rgba(17, 24, 17, .08);
    --gap: 14px
}

* {
    box-sizing: border-box
}

html,
body {
    height: 100%
}

body {
    margin: 0;
    font-family: Poppins, system-ui, -apple-system, Segoe UI, Roboto, Helvetica Neue, Arial;
    background: linear-gradient(180deg, #eef6ee 0%, var(--bg) 100%);
    color: #15291b;
    -webkit-font-smoothing: antialiased
}

.auth-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 28px
}

.logo {
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;
    font-size: 1.15rem
}

.auth-section {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px 20px;
    min-height: calc(100vh - 72px)
}

.auth-card {
    width: 100%;
    max-width: 440px;
    background: var(--card);
    padding: 28px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid rgba(49, 71, 58, .06)
}

.section-title {
    margin: 0 0 18px;
    font-size: 1.35rem;
    color: #0f2a1a
}

.input-group {
    margin-bottom: var(--gap);
    display: flex;
    flex-direction: column;
    gap: 8px
}

.input-group label {
    font-size: .92rem;
    color: var(--muted)
}

.input-group input {
    padding: 12px 14px;
    font-size: 1rem;
    border-radius: 10px;
    border: 1px solid #e6ebe6;
    background: #fff;
    outline: none;
    transition: box-shadow .12s, border-color .12s, transform .06s
}

.input-group input:focus {
    border-color: var(--accent);
    box-shadow: 0 8px 18px #31473a0f;
    transform: translateY(-1px)
}

.password-wrap {
    position: relative;
    display: flex;
    align-items: center
}

.password-wrap .pw-toggle {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    border: 0;
    background: transparent;
    padding: 6px;
    cursor: pointer;
    color: #6b6b6b;
    border-radius: 8px
}

.password-wrap .pw-toggle:focus {
    outline: 2px solid rgba(49, 71, 58, .12)
}

.button {
    display: inline-block;
    width: 100%;
    padding: 12px;
    border-radius: 10px;
    border: 0;
    font-weight: 600;
    cursor: pointer
}

.button.primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 8px 20px #31473a14
}

.button.secondary {
    background: transparent;
    color: var(--accent);
    border: 1px solid rgba(49, 71, 58, .08)
}

.auth-footer {
    margin-top: 14px;
    font-size: .95rem;
    text-align: center;
    color: var(--muted)
}

.auth-footer a {
    color: var(--accent);
    font-weight: 600;
    text-decoration: none
}

.form-msg {
    margin-top: 12px;
    color: #b00020;
    font-size: .95rem;
    min-height: 20px
}

@media (max-width:520px) {
    .auth-card {
        padding: 20px;
        border-radius: 10px
    }

    .auth-section {
        padding: 28px 14px
    }
}