:root {
    --bg: #f4f9f4;
    --bg2: #e8f0e8;
    --surface: #fff;
    --border: rgba(0, 0, 0, 0.08);
    --primary: #2d7a4a;
    --primary-dim: #4caf6e;
    --text: #2d3a30;
    --text-dim: #5c7a65;
    --radius: 14px;
    --radius-sm: 8px;
    --shadow: 0 8px 32px rgba(0, 0, 0, .06)
}

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

body {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased
}

.hidden {
    display: none !important
}

#login-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(ellipse at 30% 40%, #c4e1cd 0%, #f4f9f4 70%);
    padding: 1rem
}

.login-card {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--border);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 2.5rem;
    width: 100%;
    max-width: 380px;
    box-shadow: var(--shadow);
    text-align: center
}

.login-card .logo {
    font-size: 2.5rem;
    margin-bottom: .5rem
}

.login-card h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: .25rem;
    color: var(--primary)
}

.login-card p {
    color: var(--text-dim);
    font-size: .9rem;
    margin-bottom: 2rem
}

.form-group {
    text-align: left;
    margin-bottom: 1rem
}

.form-group label {
    display: block;
    font-size: .8rem;
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: .05em;
    margin-bottom: .4rem
}

.form-group input {
    width: 100%;
    background: rgba(0, 0, 0, 0.02);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 1rem 1.25rem;
    color: var(--text);
    font-size: 1rem;
    min-height: 48px
}

.form-group input:focus {
    border-color: var(--primary);
    outline: none;
    background: rgba(76, 175, 110, 0.04)
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: 1rem 1.5rem;
    min-height: 48px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    transition: all .18s ease;
    width: 100%
}

.btn-primary {
    background: var(--primary);
    color: #fff
}

.error-msg {
    color: var(--danger);
    font-size: .85rem;
    margin-top: 1rem
}

.loader-view {
    position: fixed;
    inset: 0;
    background: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000
}

@keyframes spin {
    to {
        transform: rotate(360deg)
    }
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite
}