/* ================================================================
   login.css
   Specifické štýly pre prihlasovaciu stránku (login.php)
   Štýl: Megacorporate / Cyberpunk High-End Enterprise
   ================================================================ */

/* ================================================================
   01. ZÁKLADNÉ NASTAVENIA PRE LOGIN BODY
   ================================================================ */
.login-body {
    background-color: var(--bg-root);
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    font-family: var(--font-body);
}

/* Hlavný kontajner - rozdelený na 2 stĺpce */
.login-wrap {
    display: flex;
    width: 100%;
    max-width: 1100px;
    min-height: 600px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-mid);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    position: relative;
}

/* ================================================================
   02. ĽAVÝ PANEL - INFORMÁCIE O SYSTÉME
   ================================================================ */
.login-panel-left {
    flex: 1.2;
    background: linear-gradient(135deg, #080d16 0%, #0a0f1a 100%);
    padding: 2rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    border-right: 1px solid var(--border-mid);
}

.panel-content {
    flex: 1;
}

/* Branding / Logo */
.panel-brand {
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-mid);
    padding-bottom: 1.5rem;
}

.brand-sym-lg {
    font-size: 3rem;
    color: var(--accent);
    display: block;
    margin-bottom: 1rem;
    font-family: monospace;
}

.panel-title {
    font-family: var(--font-mono);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.panel-subtitle {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 0.08em;
    line-height: 1.4;
    text-transform: uppercase;
}

/* Detailné informácie (FEI, KPS, klasifikácia, verzia) */
.panel-details {
    margin-bottom: 2rem;
    background-color: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-subtle);
    padding: 1.2rem;
}

.detail-line {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-faint);
}

.detail-line:last-child {
    border-bottom: none;
}

.dl-key {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.dl-val {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

/* Varovanie */
.panel-warning {
    border-left: 3px solid var(--error);
    background-color: var(--error-dim);
    padding: 0.8rem 1rem;
    margin-top: 1rem;
}

.warn-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--error);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: 0.5rem;
}

.panel-warning p {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.5;
}

/* Rohové označenia (SYS.AUTH//001, CLS.LVL//RESTRICTED) */
.panel-corner {
    position: absolute;
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--text-faint);
    letter-spacing: 0.06em;
    background-color: rgba(0, 0, 0, 0.4);
    padding: 0.2rem 0.5rem;
}

.panel-corner-tr {
    top: 1rem;
    right: 1rem;
}

.panel-corner-bl {
    bottom: 1rem;
    left: 1rem;
}

/* ================================================================
   03. PRAVÝ PANEL - FORMULÁRE
   ================================================================ */
.login-panel-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2rem 2rem;
    background-color: var(--bg-card);
}

.login-form-wrap {
    width: 100%;
    max-width: 360px;
    margin: 0 auto;
}

/* Tabs (PRIHLÁSENIE / REGISTRÁCIA) */
.login-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-mid);
    margin-bottom: 2rem;
    gap: 1rem;
}

.tab-btn {
    background: none;
    border: none;
    padding: 0.6rem 0;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-faint);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    cursor: pointer;
    transition: all var(--tx-fast);
    position: relative;
    flex: 1;
    text-align: center;
}

.tab-btn::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent);
    transition: width var(--tx-base);
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    color: var(--accent);
}

.tab-btn.active::after {
    width: 100%;
}

/* Obsah tabov */
.tab-content {
    display: none;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.tab-content.active {
    display: block;
    opacity: 1;
}

/* Formulárové polia */
.form-field {
    margin-bottom: 1.5rem;
}

.field-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--text-faint);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 0.4rem;
}

.field-input {
    width: 100%;
    padding: 0.7rem 0.8rem;
    background-color: var(--bg-element);
    border: 1px solid var(--border-mid);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.85rem;
    transition: all var(--tx-fast);
}

.field-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent);
}

.field-input::placeholder {
    color: var(--text-faint);
    font-size: 0.75rem;
}

/* Select pre rolu */
.field-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%2352525b'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.8rem center;
}

/* Primárne tlačidlo */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.7rem 1rem;
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    cursor: pointer;
    transition: all var(--tx-base);
}

.btn-primary:hover {
    background-color: var(--accent-dim);
    box-shadow: 0 0 12px var(--accent-glow);
}

/* Celá šírka tlačidla */
.btn-full {
    width: 100%;
}

/* Nápoveda (demo prístup) */
.form-hint {
    margin-top: 1.5rem;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-faint);
    border-top: 1px solid var(--border-subtle);
    padding-top: 1rem;
}

.form-hint code {
    background-color: var(--bg-element);
    padding: 0.2rem 0.4rem;
    font-size: 0.7rem;
    color: var(--accent);
}

/* Správy (chyba / oznámenie) */
.auth-msg {
    padding: 0.6rem 0.8rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.04em;
    margin-bottom: 1.2rem;
    text-align: center;
}

.auth-error {
    background-color: var(--error-dim);
    border-left: 2px solid var(--error);
    color: var(--error);
}

.auth-notice {
    background-color: var(--success-dim);
    border-left: 2px solid var(--success);
    color: var(--success);
}

/* ================================================================
   04. RESPONSIVITA
   ================================================================ */
@media (max-width: 900px) {
    .login-wrap {
        flex-direction: column;
        max-width: 500px;
        margin: 1rem;
    }

    .login-panel-left {
        border-right: none;
        border-bottom: 1px solid var(--border-mid);
        padding: 1.5rem;
    }

    .panel-corner-tr,
    .panel-corner-bl {
        display: none;
    }

    .login-panel-right {
        padding: 1.5rem;
    }

    .login-form-wrap {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .panel-title {
        font-size: 1.2rem;
    }

    .brand-sym-lg {
        font-size: 2rem;
    }

    .detail-line {
        flex-direction: column;
        gap: 0.2rem;
    }

    .tab-btn {
        font-size: 0.65rem;
    }
}