/* ==============================================
   OPCOM CENTRAL — LOGIN PAGE
   ============================================== */

.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-color: var(--color-bg);
    background-image:
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 2px,
            rgba(58, 143, 163, 0.018) 2px,
            rgba(58, 143, 163, 0.018) 4px
        );
}

.login-container {
    width: 100%;
    max-width: 400px;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-top: 2px solid var(--color-accent);
    clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
    padding: 2.5rem;
}

.login-sys-label {
    font-family: var(--font-mono);
    font-size: 0.58rem;
    letter-spacing: 0.2em;
    color: var(--color-text-dim);
    margin-bottom: 1.5rem;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.login-logo {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    color: var(--color-accent);
    margin-bottom: 0.75rem;
}

.login-title {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.24em;
    color: var(--color-text-bright);
    margin-bottom: 0.3rem;
}

.login-subtitle {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.18em;
    color: var(--color-text-dim);
    margin-bottom: 0.75rem;
}

.login-classification {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.58rem;
    letter-spacing: 0.18em;
    color: var(--color-amber);
    border: 1px solid var(--color-amber);
    padding: 0.15rem 0.55rem;
    background-color: var(--color-amber-glow);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group label {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.16em;
    color: var(--color-text-dim);
}

.form-group input {
    background-color: var(--color-surface-2);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    padding: 0.65rem 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    outline: none;
    transition: border-color 0.15s, background-color 0.15s;
    width: 100%;
}

.form-group input:focus {
    border-color: var(--color-accent);
    background-color: var(--color-accent-glow);
}

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

.btn-login {
    margin-top: 0.5rem;
    padding: 0.7rem;
    background-color: transparent;
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    cursor: pointer;
    transition: background-color 0.15s, color 0.15s;
    width: 100%;
}

.btn-login:hover {
    background-color: var(--color-accent-glow);
    color: var(--color-text-bright);
}

.login-footer {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.login-footer-warning {
    font-family: var(--font-mono);
    font-size: 0.58rem;
    letter-spacing: 0.1em;
    color: var(--color-text-dim);
}

.login-footer-build {
    font-family: var(--font-mono);
    font-size: 0.56rem;
    letter-spacing: 0.08em;
    color: var(--color-text-dim);
    opacity: 0.5;
}