/* --------------------------------------------------
   LOGIN PAGE — Mobile‑Optimized + Animations
-------------------------------------------------- */

.login-body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: var(--space-4);
    background: var(--color-bg);
}

/* Card */
.login-card {
    width: 100%;
    max-width: 380px;
    padding: var(--space-6);
    text-align: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

/* Logo */
.login-logo img {
    max-width: 200px;
    margin: 0 auto var(--space-4);
}

/* Title */
.login-title {
    padding-bottom: var(--space-4);
    margin-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border);
    font-size: var(--font-size-lg);
}

/* Error box */
.alert-danger {
    background: var(--color-danger-light);
    color: var(--color-danger);
    padding: var(--space-2);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-3);
    font-size: var(--font-size-sm);
    text-align: left;
}

/* Form */
.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    text-align: left;
}

/* Inputs */
input, select, textarea {
    width: 100%;
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    background: var(--color-surface);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
    outline: none;
}

/* Buttons */
.login-btn {
    width: 100%;
    margin-top: var(--space-2);
    transition: transform 0.15s ease, background 0.2s ease;
}

.login-btn:active {
    transform: scale(0.97);
}

/* Universal form navigation link */
.form-link {
    margin-top: var(--space-3);
    font-size: var(--font-size-xs);
    text-align: right;
    display: block;
    color: var(--color-primary);
    cursor: pointer;
}

/* Language switcher */
.login-lang-switch {
    margin-top: var(--space-5);
    font-size: var(--font-size-sm);
}

.login-lang-switch .lang-option {
    cursor: pointer;
    padding: 0 4px;
    transition: color 0.2s ease, opacity 0.2s ease;
}

.login-lang-switch .lang-option:hover {
    opacity: 0.7;
}

/* Footer */
.login-footer {
    margin-top: var(--space-5);
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-border);
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    display: flex;
    justify-content: space-between;
}

/* --------------------------------------------------
   STATUS SCREEN
-------------------------------------------------- */

.login-status {
    text-align: center;
    padding: var(--space-4) 0;
}

.status-img {
    width: 120px;
    margin-bottom: var(--space-4);
}

.status-title {
    margin-bottom: var(--space-2);
    font-size: var(--font-size-lg);
}

.status-text {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

/* --------------------------------------------------
   SUBSYSTEM SELECTOR — Animations #5 + #6
-------------------------------------------------- */

.subsystem-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 10px;
    animation: subsystemFade 0.25s ease-out;
}

@keyframes subsystemFade {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.subsystem-btn {
    width: 100%;
    padding: 14px 18px;
    font-size: var(--font-size-md);
    font-weight: 500;
    text-align: left;

    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 10px;

    color: var(--color-text);
    cursor: pointer;

    position: relative;

    transition:
        background 0.2s ease,
        border-color 0.2s ease,
        transform 0.2s cubic-bezier(0.22, 1, 0.36, 1);
}

.subsystem-btn:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.subsystem-btn:active {
    transform: translateY(0);
    background: var(--color-surface-active);
}

.subsystem-btn:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.25);
}

.subsystem-btn::after {
    content: "›";
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.4;
    transition: opacity 0.2s ease;
}

.subsystem-btn:hover::after {
    opacity: 0.8;
}

/* --------------------------------------------------
   LOGGED-IN PANEL
-------------------------------------------------- */

.logged-in-title {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    margin-top: 4px;
}

.logged-in-value {
    font-size: var(--font-size-md);
    font-weight: 500;
    margin-bottom: 6px;
}

.logged-in-actions {
    margin-top: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

/* --------------------------------------------------
   MOBILE OPTIMIZATION
-------------------------------------------------- */

@media (max-width: 480px) {

    .login-card {
        padding: var(--space-4);
        border-radius: var(--radius-sm);
        max-width: 320px; /* narrower on mobile */
    }

    .login-title {
        font-size: var(--font-size-md);
        padding-bottom: var(--space-3);
        margin-bottom: var(--space-3);
    }

    .login-form {
        gap: var(--space-3);
    }

    .login-btn {
        font-size: var(--font-size-sm);
        padding: var(--space-2) var(--space-3);
    }

    .login-footer {
        flex-direction: column;
        gap: var(--space-2);
        text-align: center;
    }

    .status-img {
        width: 90px;
    }

    .subsystem-btn {
        padding: 12px 14px;
        font-size: var(--font-size-sm);
    }
}