:root {
    --pv-bg: #050915;
    --pv-bg-elevated: #0c1224;
    --pv-border-subtle: #1f2940;
    --pv-accent: #4f8cff;
    --pv-accent-soft: rgba(79, 140, 255, 0.1);
    --pv-text: #f5f7ff;
    --pv-text-muted: #9ba4c7;
    --pv-danger: #ff4f6a;
    --pv-radius-lg: 16px;
    --pv-radius-md: 10px;
    --pv-shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.35);
    --pv-sidebar-width: 260px;
    --pv-header-height: 60px;
    --pv-gap: 16px;
    --pv-font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
}

body {
    font-family: var(--pv-font-sans);
    background: radial-gradient(circle at top, #131a3b 0%, #050915 55%, #000 100%);
    color: var(--pv-text);
}

/* ========== LOGIN LAYOUT ========== */

.pv-login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.pv-login-wrapper {
    max-width: 420px;
    width: 100%;
}

.pv-login-card {
    background: rgba(7, 11, 24, 0.96);
    border-radius: var(--pv-radius-lg);
    padding: 24px 20px;
    box-shadow: var(--pv-shadow-soft);
    border: 1px solid var(--pv-border-subtle);
}

.pv-login-header h1 {
    margin: 0 0 6px;
    font-size: 1.4rem;
    letter-spacing: 0.03em;
}

.pv-login-header p {
    margin: 0;
    color: var(--pv-text-muted);
    font-size: 0.9rem;
}

.pv-login-content {
    margin-top: 18px;
}

.pv-form-field {
    margin-bottom: 14px;
}

.pv-form-field label {
    display: block;
    font-size: 0.85rem;
    margin-bottom: 4px;
    color: var(--pv-text-muted);
}

.pv-form-field input {
    width: 100%;
    padding: 10px 12px;
    border-radius: var(--pv-radius-md);
    border: 1px solid var(--pv-border-subtle);
    background: #050816;
    color: var(--pv-text);
    font-size: 0.95rem;
}

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

.pv-login-actions {
    margin-top: 10px;
}

.pv-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--pv-radius-md);
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    padding: 10px 14px;
    transition: transform 0.08s ease, box-shadow 0.08s ease, background 0.15s ease, opacity 0.15s ease;
    font-weight: 500;
}

.pv-btn:active {
    transform: translateY(1px);
    box-shadow: none;
}

.pv-btn-primary {
    background: var(--pv-accent);
    color: #fff;
    width: 100%;
    box-shadow: 0 10px 25px rgba(79, 140, 255, 0.4);
}

.pv-btn-primary:hover {
    opacity: 0.92;
}

.pv-login-divider {
    display: flex;
    align-items: center;
    margin: 16px 0;
    font-size: 0.8rem;
    color: var(--pv-text-muted);
}

.pv-login-divider::before,
.pv-login-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, rgba(0,0,0,0) 70%);
}

.pv-login-divider span {
    margin: 0 8px;
}

.pv-sso-section {
    display: flex;
    justify-content: center;
}

.pv-btn-microsoft {
    background: #111827;
    color: var(--pv-text);
    border: 1px solid var(--pv-border-subtle);
    min-width: 0;
    width: 100%;
    gap: 8px;
}

.pv-btn-microsoft:hover {
    background: #1b2338;
}

.pv-ms-icon {
    font-family: "Segoe UI Symbol", system-ui, sans-serif;
    font-size: 1.1rem;
}

.pv-login-footer {
    margin-top: 18px;
    text-align: center;
    color: var(--pv-text-muted);
    font-size: 0.78rem;
}

/* ========== APP SHELL ========== */

.pv-app-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.pv-header {
    height: var(--pv-header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    border-bottom: 1px solid var(--pv-border-subtle);
    background: rgba(5, 10, 24, 0.96);
    backdrop-filter: blur(10px);
}

/* Mobile nav toggle */

.pv-mobile-nav-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 3px;
    margin-right: 8px;
    width: 28px;
    height: 28px;
    border-radius: 999px;
    border: 1px solid var(--pv-border-subtle);
    background: #050816;
    padding: 4px;
    cursor: pointer;
}

.pv-mobile-nav-toggle:focus {
    outline: none;
    box-shadow: 0 0 0 1px var(--pv-accent-soft);
}

.pv-mobile-nav-bar {
    display: block;
    height: 2px;
    width: 100%;
    border-radius: 999px;
    background: var(--pv-text);
}

/* Hide mobile toggle on larger screens */
@media (min-width: 768px) {
    .pv-mobile-nav-toggle {
        display: none;
    }
}

/* Sidebar behaviour: default hidden on mobile, visible on desktop (as before) */

.pv-sidebar {
    width: var(--pv-sidebar-width);
    border-right: 1px solid var(--pv-border-subtle);
    padding: 12px 10px;
    background: radial-gradient(circle at top, #121a36 0%, #060813 60%);
    display: none; /* default hidden, we override in media query & nav-open state */
}

/* Desktop: show sidebar as a column */
@media (min-width: 768px) {
    .pv-sidebar {
        display: block;
        position: relative;
        width: var(--pv-sidebar-width);
    }
}

/* Mobile: show sidebar as overlay when nav is open */
@media (max-width: 767px) {
    body.pv-nav-open .pv-sidebar {
        display: block;
        position: fixed;
        top: var(--pv-header-height);
        bottom: 0;
        left: 0;
        width: min(260px, 80vw);
        z-index: 20;
        box-shadow: 12px 0 30px rgba(0, 0, 0, 0.6);
    }

    body.pv-nav-open .pv-main {
        /* slight dim or shift can be added later if you like */
    }
}


.pv-header-left {
    display: flex;
    flex-direction: column;
}

.pv-logo {
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.95rem;
}

.pv-tagline {
    font-size: 0.72rem;
    color: var(--pv-text-muted);
}

.pv-header-right {
    font-size: 0.85rem;
    color: var(--pv-text-muted);
}

.pv-layout {
    display: flex;
    flex: 1;
    min-height: 0;
}

.pv-sidebar {
    width: var(--pv-sidebar-width);
    border-right: 1px solid var(--pv-border-subtle);
    padding: 12px 10px;
    background: radial-gradient(circle at top, #121a36 0%, #060813 60%);
    display: none; /* hidden by default on mobile */
}

.pv-nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.pv-nav-item {
    padding: 9px 10px;
    border-radius: 10px;
    font-size: 0.9rem;
    color: var(--pv-text-muted);
    cursor: pointer;
    margin-bottom: 4px;
}

.pv-nav-item--active,
.pv-nav-item:hover {
    background: var(--pv-accent-soft);
    color: var(--pv-text);
}

.pv-main {
    flex: 1;
    padding: 12px;
    min-width: 0;
}

.pv-root {
    height: 100%;
    border-radius: var(--pv-radius-lg);
    border: 1px solid var(--pv-border-subtle);
    background: rgba(7, 11, 24, 0.9);
    box-shadow: var(--pv-shadow-soft);
    padding: 12px;
}

/* Footer */

.pv-footer {
    padding: 8px 14px;
    font-size: 0.78rem;
    color: var(--pv-text-muted);
    border-top: 1px solid var(--pv-border-subtle);
    background: rgba(5, 9, 20, 0.96);
}

/* ========== RESPONSIVE ========== */

@media (min-width: 768px) {
    .pv-sidebar {
        display: block;
    }

    .pv-main {
        padding: 16px;
    }

    .pv-root {
        padding: 16px;
    }
}

@media (max-width: 480px) {
    .pv-login-card {
        padding: 20px 16px;
    }

    .pv-logo {
        font-size: 0.9rem;
    }

    .pv-tagline {
        display: none;
    }
}