/**
 * SeJe - Segítő Jelenlét
 * Mental Health Waiting Room Chatbot UI
 *
 * Design Philosophy:
 * - Soft, calming colors to reduce anxiety
 * - Minimal cognitive load
 * - Clear crisis resources always visible
 * - Breathing-synchronized animations
 */

/* ===== CSS Variables ===== */
:root {
    /* Primary palette - calming greens and blues */
    --color-primary: #106322;
    --color-primary-light: #bef4d5;
    --color-primary-pale: #e8f8ed;

    --color-secondary: #d4edf6;
    --color-secondary-dark: #5ba3c0;

    /* Background colors */
    --color-bg: #f5faf7;
    --color-bg-card: #ffffff;

    /* Text colors */
    --color-text: #2c3e2d;
    --color-text-light: #5a6b5c;
    --color-text-muted: #8a9a8c;

    /* Crisis/emergency */
    --color-crisis: #c94545;
    --color-crisis-bg: #fff5f5;

    /* System messages */
    --color-system-bg: #f0f4f8;
    --color-system-text: #4a5568;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 50%;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;

    /* Typography */
    --font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 16px;
    --line-height: 1.6;
}

/* ===== Dark Mode ===== */
@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #121212;
        --color-bg-card: #1e1e1e;
        --color-text: #e0e0e0;
        --color-text-light: #b0b0b0;
        --color-text-muted: #808080;
        --color-primary-pale: #1a2e1f;
        --color-system-bg: #252525;
        --color-system-text: #c0c0c0;
    }
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: var(--line-height);
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===== Login Page ===== */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary-pale) 0%, var(--color-secondary) 100%);
}

.login-container {
    position: relative;
    width: 100%;
    max-width: 420px;
}

.login-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 1;
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.login-header h1 {
    font-size: 2.5rem;
    color: var(--color-primary);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.login-header .subtitle {
    color: var(--color-text-light);
    font-size: 1.1rem;
}

.login-intro {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-light);
}

.login-intro .small {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

.login-form {
    margin-bottom: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-text);
}

.form-group input {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--color-primary-light);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn-primary {
    width: 100%;
    background: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background: #0d5a1d;
    transform: translateY(-1px);
}

.error-message {
    background: var(--color-crisis-bg);
    color: var(--color-crisis);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    text-align: center;
    font-size: 0.95rem;
}

.login-footer {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-primary-light);
}

.login-footer .disclaimer {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.login-footer strong {
    color: var(--color-primary);
}

/* ===== Breathing Circle Animation ===== */
.breathing-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 350px;
    height: 350px;
    border-radius: var(--radius-full);
    background: radial-gradient(circle, var(--color-primary-light) 0%, transparent 70%);
    opacity: 0.5;
    animation: breathe 8s ease-in-out infinite;
    pointer-events: none;
}

@keyframes breathe {
    0%, 100% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 0.3;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.6;
    }
}

/* ===== Main Chat Page ===== */
.chat-page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.header {
    background: var(--color-bg-card);
    padding: var(--spacing-sm) var(--spacing-md);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo h1 {
    font-size: 1.5rem;
    color: var(--color-primary);
    font-weight: 700;
}

.logo .tagline {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Crisis Button - Always Visible */
.crisis-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--color-crisis);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: background var(--transition-fast);
}

.crisis-btn:hover {
    background: #b53c3c;
}

.crisis-btn .icon {
    font-size: 1.1rem;
}

.logout-btn {
    background: transparent;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    padding: var(--spacing-xs) var(--spacing-sm);
}

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

/* Main Content Area */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
    padding: var(--spacing-md);
}

/* Welcome Banner */
.welcome-banner {
    background: linear-gradient(135deg, var(--color-primary-pale) 0%, var(--color-secondary) 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.welcome-banner h2 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.3rem;
}

.welcome-banner p {
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.welcome-banner .disclaimer {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(0,0,0,0.1);
}

/* Chat Container */
.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
    min-height: 300px;
    max-height: 50vh;
}

/* Messages */
.message {
    margin-bottom: var(--spacing-md);
    display: flex;
    gap: var(--spacing-sm);
}

.message-content {
    max-width: 80%;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    line-height: 1.5;
}

/* User messages (right aligned) */
.user-message {
    flex-direction: row-reverse;
}

.user-message .message-content {
    background: var(--color-primary);
    color: white;
    border-bottom-right-radius: 4px;
}

/* Assistant messages (left aligned) */
.assistant-message .message-content {
    background: var(--color-primary-light);
    color: var(--color-text);
    border-bottom-left-radius: 4px;
}

/* System messages */
.system-message {
    justify-content: center;
}

.system-message .message-content {
    background: var(--color-system-bg);
    color: var(--color-system-text);
    font-size: 0.9rem;
    max-width: 90%;
    text-align: center;
}

/* Typing indicator */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
}

.typing-indicator span {
    color: var(--color-text-muted);
}

.typing-indicator .dot {
    display: inline-block;
    animation: typingDot 1s infinite;
}

.typing-indicator .dot:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator .dot:nth-child(3) { animation-delay: 0.4s; }
.typing-indicator .dot:nth-child(4) { animation-delay: 0.6s; }

@keyframes typingDot {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* Chat Input */
.chat-input-container {
    padding: var(--spacing-md);
    background: var(--color-primary-pale);
    border-top: 1px solid var(--color-primary-light);
}

.chat-input {
    display: flex;
    gap: var(--spacing-sm);
}

.chat-input input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--color-primary-light);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color var(--transition-fast);
}

.chat-input input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.chat-input button {
    padding: var(--spacing-sm) var(--spacing-lg);
}

/* Quick Actions */
.quick-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg);
    border-top: 1px solid var(--color-primary-light);
}

.quick-action-btn {
    background: var(--color-bg-card);
    border: 1px solid var(--color-primary-light);
    color: var(--color-text-light);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.quick-action-btn:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Breathing Exercise Modal */
.breathing-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.breathing-modal.active {
    display: flex;
}

.breathing-content {
    background: var(--color-bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    max-width: 400px;
    width: 90%;
}

.breathing-content h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.breathing-visual {
    width: 150px;
    height: 150px;
    margin: var(--spacing-lg) auto;
    border-radius: var(--radius-full);
    background: var(--color-primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--color-primary);
    animation: breatheExercise 8s ease-in-out infinite;
}

@keyframes breatheExercise {
    0%, 100% {
        transform: scale(0.6);
    }
    12.5% {
        transform: scale(1);
    }
    50% {
        transform: scale(1);
    }
    62.5% {
        transform: scale(0.6);
    }
}

.breathing-instruction {
    font-size: 1.1rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
}

.close-modal-btn {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

.close-modal-btn:hover {
    background: var(--color-primary);
    color: white;
}

/* Footer */
.footer {
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    text-align: center;
    border-top: 1px solid var(--color-primary-light);
}

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

.footer a {
    color: var(--color-primary);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

/* Crisis banner in footer */
.crisis-footer {
    background: var(--color-crisis-bg);
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: center;
    font-size: 0.9rem;
}

.crisis-footer strong {
    color: var(--color-crisis);
}

/* ===== Responsive ===== */
@media (max-width: 600px) {
    .login-card {
        padding: var(--spacing-lg);
    }

    .header-content {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }

    .logo .tagline {
        display: none;
    }

    .chat-messages {
        max-height: 40vh;
    }

    .message-content {
        max-width: 90%;
    }

    .quick-actions {
        justify-content: center;
    }
}

/* ===== Accessibility ===== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles */
:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ===== Grounding Exercise ===== */
.grounding-step {
    text-align: left;
    padding: var(--spacing-md) !important;
}

.grounding-step-indicator {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.grounding-prompt {
    font-size: 1rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
    line-height: 1.5;
}

.grounding-helper {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.grounding-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.grounding-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.grounding-btn-ready {
    background: var(--color-primary);
    color: white;
    border: 2px solid var(--color-primary);
}

.grounding-btn-ready:hover:not(:disabled) {
    background: #0d5a1d;
    border-color: #0d5a1d;
}

.grounding-btn-skip {
    background: transparent;
    color: var(--color-text-muted);
    border: 2px solid var(--color-text-muted);
}

.grounding-btn-skip:hover:not(:disabled) {
    color: var(--color-text);
    border-color: var(--color-text);
}

.grounding-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.grounding-step-done {
    opacity: 0.6;
}

.grounding-step-done .grounding-prompt {
    text-decoration: line-through;
}

/* Disabled input during exercises */
.input-disabled {
    background-color: var(--color-system-bg) !important;
    cursor: not-allowed;
    opacity: 0.7;
}