/* ============================================
   XENOPE Login Page - Light Theme
   Responsive for all devices
   ============================================ */

/* CSS Custom Properties - Light Theme */
:root {
    --clr-bg-main: #f7f3ec;
    --clr-bg-card: #ffffff;
    --clr-bg-elevated: #faf9f7;
    --clr-border: #a8b4ba;
    --clr-border-light: #d1d8dc;
    --clr-text: #1a1a1a;
    --clr-text-secondary: #4e6a78;
    --clr-text-muted: #546a76;
    --clr-accent: rgb(0, 55, 112);
    --clr-accent-hover: rgb(0, 70, 140);
    --clr-accent-light: rgba(0, 55, 112, 0.1);

    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    --border-radius: 10px;
    --max-content-width: 600px;

    --safe-area-top: env(safe-area-inset-top, 0px);
    --safe-area-bottom: env(safe-area-inset-bottom, 0px);
}

/* Font Faces */
@font-face {
    font-family: Nunito;
    src: url(./fonts/Nunito-Regular.ttf) format('truetype');
    font-display: swap;
}

@font-face {
    font-family: NunitoBold;
    src: url(./fonts/Nunito-Bold.ttf) format('truetype');
    font-display: swap;
}

/* Base Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: "Nunito", sans-serif;
    background-color: var(--clr-bg-main);
    color: var(--clr-text);
    line-height: 1.6;
    min-height: 100vh;
    min-height: 100dvh;
}

/* Page Container - Scrollable */
.page-container {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--spacing-lg);
    padding-top: calc(var(--spacing-lg) + var(--safe-area-top));
    padding-bottom: calc(var(--spacing-lg) + var(--safe-area-bottom));
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-md);
    flex-shrink: 0;
}

.logo {
    margin-bottom: var(--spacing-md);
    line-height: 1;
}

.logo img {
    height: clamp(80px, 15vw, 150px);
    width: auto;
    display: block;
    margin: 0 auto;
}

.tagline {
    font-size: clamp(1rem, 3vw, 1.4rem);
    color: var(--clr-text-muted);
    font-weight: 400;
}

/* ============================================
   Main Content
   ============================================ */
.content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-2xl);
    width: 100%;
    max-width: var(--max-content-width);
    margin: 0 auto;
}

/* ============================================
   Login Card
   ============================================ */
.login-card {
    width: 100%;
    background-color: var(--clr-bg-card);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.login-card h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--clr-text);
}

.login-card form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.input-group label {
    font-size: 0.95rem;
    color: var(--clr-text);
    opacity: 0.9;
    padding-left: var(--spacing-xs);
}

.input-group input {
    background-color: white;
    border: 2px solid var(--clr-border-light);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    color: var(--clr-text);
    font-family: "Nunito", sans-serif;
    font-size: 16px;
    width: 100%;
    min-height: 48px;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.input-group input::placeholder {
    color: var(--clr-text-muted);
}

.input-group input:focus {
    outline: none;
    border-color: var(--clr-accent);
    background-color: white;
}

.input-group input:hover {
    border-color: var(--clr-border);
}

.login-card button {
    background-color: var(--clr-accent);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    font-family: "NunitoBold", sans-serif;
    font-size: 1rem;
    cursor: pointer;
    min-height: 50px;
    margin-top: var(--spacing-sm);
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.login-card button:hover {
    background-color: var(--clr-accent-hover);
}

.login-card button:active {
    transform: scale(0.98);
}

/* ============================================
   SSO Section
   ============================================ */
.sso-divider {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0 var(--spacing-md);
}

.sso-divider::before,
.sso-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--clr-border-light);
}

.sso-divider span {
    font-size: 0.85rem;
    color: var(--clr-text-muted);
    text-transform: lowercase;
}

.sso-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--clr-border-light);
    border-radius: var(--border-radius);
    background-color: white;
    color: var(--clr-text);
    font-family: "Nunito", sans-serif;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    min-height: 50px;
    transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.1s ease;
}

.sso-button:hover {
    border-color: var(--clr-border);
    background-color: var(--clr-bg-elevated);
}

.sso-button:active {
    transform: scale(0.98);
}

.sso-icon {
    flex-shrink: 0;
}

.sso-error {
    display: none;
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: #fff0f0;
    border: 1px solid #ffcdd2;
    border-radius: var(--border-radius);
    color: #c62828;
    font-size: 0.9rem;
    text-align: center;
}

/* ============================================
   Info Section
   ============================================ */
.info-section {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.info-block {
    padding: var(--spacing-lg);
    border-left: 3px solid var(--clr-accent);
    background-color: var(--clr-bg-card);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
}

.info-block h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--clr-text);
    margin-bottom: var(--spacing-sm);
}

.info-block p {
    font-size: 0.95rem;
    color: var(--clr-text-secondary);
    line-height: 1.7;
}

/* ============================================
   Footer
   ============================================ */
.page-footer {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    margin-top: auto;
    flex-shrink: 0;
}

.page-footer p {
    font-size: 0.85rem;
    color: var(--clr-text-muted);
    opacity: 0.6;
}

/* ============================================
   RESPONSIVE - Large Tablets (≤1023px)
   ============================================ */
@media screen and (max-width: 1023px) {
    :root {
        --max-content-width: 500px;
    }

    .hero {
        padding: var(--spacing-xl) var(--spacing-md);
    }
}

/* ============================================
   RESPONSIVE - Tablets (≤767px)
   Two-column layout for info blocks
   ============================================ */
@media screen and (max-width: 767px) {
    :root {
        --max-content-width: 100%;
    }

    .page-container {
        padding: var(--spacing-md);
        padding-top: calc(var(--spacing-md) + var(--safe-area-top));
        padding-bottom: calc(var(--spacing-md) + var(--safe-area-bottom));
    }

    .hero {
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    .content {
        gap: var(--spacing-xl);
    }

    .login-card {
        padding: var(--spacing-lg);
    }

    .info-section {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-md);
    }

    .info-block {
        padding: var(--spacing-md);
    }

    .info-block:last-child {
        grid-column: 1 / -1;
    }
}

/* ============================================
   RESPONSIVE - Mobile (≤599px)
   Stacked layout
   ============================================ */
@media screen and (max-width: 599px) {
    .page-container {
        padding: var(--spacing-sm);
        padding-top: calc(var(--spacing-sm) + var(--safe-area-top));
        padding-bottom: calc(var(--spacing-sm) + var(--safe-area-bottom));
    }

    .hero {
        padding: var(--spacing-lg) var(--spacing-xs);
    }

    .logo img {
        height: clamp(70px, 14vw, 120px);
    }

    .content {
        gap: var(--spacing-lg);
    }

    .login-card {
        padding: var(--spacing-md);
        border-radius: 8px;
    }

    .login-card h2 {
        font-size: 1.3rem;
        margin-bottom: var(--spacing-md);
    }

    .input-group input {
        padding: var(--spacing-sm) var(--spacing-md);
        min-height: 44px;
    }

    .login-card button {
        min-height: 46px;
    }

    .info-section {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .info-block {
        padding: var(--spacing-md);
        border-left-width: 2px;
    }

    .info-block h3 {
        font-size: 1rem;
    }

    .info-block p {
        font-size: 0.9rem;
    }

    .page-footer {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
}

/* ============================================
   RESPONSIVE - Very Small Screens (≤375px)
   ============================================ */
@media screen and (max-width: 375px) {
    .logo img {
        height: 60px;
    }

    .tagline {
        font-size: 0.9rem;
    }

    .login-card h2 {
        font-size: 1.2rem;
    }

    .input-group input,
    .login-card button {
        min-height: 42px;
    }

    .info-block h3 {
        font-size: 0.95rem;
    }

    .info-block p {
        font-size: 0.85rem;
    }
}

/* ============================================
   RESPONSIVE - Landscape Mobile
   Side-by-side layout
   ============================================ */
@media screen and (max-width: 899px) and (orientation: landscape) {
    .page-container {
        padding: var(--spacing-sm);
    }

    .hero {
        padding: var(--spacing-md);
    }

    .logo img {
        height: 60px;
    }

    .tagline {
        font-size: 0.95rem;
    }

    .content {
        flex-direction: row;
        align-items: flex-start;
        gap: var(--spacing-lg);
        max-width: 100%;
    }

    .login-card {
        flex: 0 0 45%;
        max-width: 350px;
        padding: var(--spacing-md);
    }

    .login-card h2 {
        font-size: 1.2rem;
        margin-bottom: var(--spacing-sm);
    }

    .login-card form {
        gap: var(--spacing-sm);
    }

    .input-group input {
        min-height: 40px;
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .login-card button {
        min-height: 42px;
        margin-top: var(--spacing-xs);
    }

    .info-section {
        flex: 1;
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .info-block {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .info-block h3 {
        font-size: 0.95rem;
        margin-bottom: var(--spacing-xs);
    }

    .info-block p {
        font-size: 0.85rem;
        line-height: 1.5;
    }

    .page-footer {
        padding: var(--spacing-sm);
    }
}

/* ============================================
   RESPONSIVE - Desktop Wide (≥1200px)
   Two-column layout
   ============================================ */
@media screen and (min-width: 1200px) {
    :root {
        --max-content-width: 1000px;
    }

    .content {
        flex-direction: row;
        align-items: flex-start;
        gap: var(--spacing-2xl);
    }

    .login-card {
        flex: 0 0 380px;
        position: sticky;
        top: var(--spacing-lg);
    }

    .info-section {
        flex: 1;
    }
}

/* ============================================
   iOS Specific
   ============================================ */
@supports (-webkit-touch-callout: none) {
    body {
        min-height: -webkit-fill-available;
    }

    .page-container {
        min-height: -webkit-fill-available;
    }
}

/* ============================================
   Touch Device Optimizations
   ============================================ */
@media (hover: none) and (pointer: coarse) {
    .login-card button:hover {
        background-color: var(--clr-accent);
    }

    .login-card button:active {
        background-color: var(--clr-accent-hover);
    }

    .input-group input:hover {
        border-color: var(--clr-border-light);
    }

    .sso-button:hover {
        border-color: var(--clr-border-light);
        background-color: white;
    }

    .sso-button:active {
        border-color: var(--clr-border);
        background-color: var(--clr-bg-elevated);
    }
}

/* Desktop hover effects */
@media (hover: hover) and (pointer: fine) {
    .input-group input:hover {
        border-color: var(--clr-border);
    }

    .login-card button:hover {
        transform: translateY(-1px);
    }

    .sso-button:hover {
        transform: translateY(-1px);
    }

    .info-block:hover {
        background-color: var(--clr-bg-elevated);
    }
}

/* ============================================
   Reduced Motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        transition-duration: 0.01ms !important;
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .page-container {
        background: white;
    }

    .logo img {
        filter: grayscale(100%);
    }

    .login-card {
        border: 1px solid #ccc;
        background: #f9f9f9;
    }

    .info-block {
        border-left-color: #333;
        background: #fafafa;
    }
}