/* Nur AI Coach - Chat Interface Styles */

:root {
    --nur-primary: #1a6d5e;
    --nur-primary-dark: #14554a;
    --nur-primary-light: #e8f5f2;
    --nur-secondary: #c9a84c;
    --nur-bg: #f8f9fa;
    --nur-user-bg: #1a6d5e;
    --nur-user-text: #ffffff;
    --nur-bot-bg: #ffffff;
    --nur-bot-text: #333333;
    --nur-border: #e0e0e0;
    --nur-text: #333333;
    --nur-text-light: #888888;
    --nur-shadow: 0 2px 8px rgba(0,0,0,0.08);
    --nur-radius: 12px;
}

.nur-chat-container {
    max-width: 800px;
    margin: 20px auto;
    background: var(--nur-bg);
    border-radius: var(--nur-radius);
    box-shadow: var(--nur-shadow);
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
}

/* Header */
.nur-chat-header {
    background: linear-gradient(135deg, var(--nur-primary) 0%, var(--nur-primary-dark) 100%);
    color: #fff;
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nur-chat-header h2 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: #fff;
}

.nur-chat-header-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nur-tier-badge {
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nur-tier-free { background: #6c757d; color: #fff; }
.nur-tier-premium { background: var(--nur-secondary); color: #333; }
.nur-tier-pro { background: #ffc107; color: #333; }

.nur-usage-display {
    font-size: 13px;
    opacity: 0.9;
}

.nur-remaining {
    font-weight: 500;
}

.nur-unlimited {
    color: #ffd700;
    font-weight: 600;
}

/* Persona Selector */
.nur-persona-selector {
    padding: 12px 20px;
    background: #fff;
    border-bottom: 1px solid var(--nur-border);
    display: flex;
    align-items: center;
    gap: 8px;
}

.nur-persona-selector label {
    font-size: 13px;
    font-weight: 600;
    color: var(--nur-text);
    white-space: nowrap;
}

.nur-persona-select {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--nur-border);
    border-radius: 6px;
    font-size: 13px;
    background: #fff;
    cursor: pointer;
    color: var(--nur-text);
    max-width: 100%;
}

.nur-persona-select:focus {
    outline: none;
    border-color: var(--nur-primary);
    box-shadow: 0 0 0 2px rgba(26, 109, 94, 0.15);
}

/* Messages Area */
.nur-messages {
    padding: 16px 20px;
    min-height: 350px;
    max-height: 500px;
    overflow-y: auto;
    scroll-behavior: smooth;
}

.nur-message {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
    animation: nur-fade-in 0.3s ease;
}

@keyframes nur-fade-in {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.nur-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 18px;
}

.nur-bot-avatar {
    background: var(--nur-primary-light);
    color: var(--nur-primary);
}

.nur-user-avatar {
    background: var(--nur-primary);
    color: #fff;
}

.nur-bubble {
    padding: 10px 14px;
    border-radius: 14px;
    max-width: 80%;
    line-height: 1.6;
    font-size: 14px;
    word-wrap: break-word;
}

.nur-bot-message .nur-bubble {
    background: var(--nur-bot-bg);
    color: var(--nur-bot-text);
    border: 1px solid var(--nur-border);
    border-top-left-radius: 4px;
}

.nur-user-message {
    flex-direction: row-reverse;
}

.nur-user-message .nur-bubble {
    background: var(--nur-user-bg);
    color: var(--nur-user-text);
    border-top-right-radius: 4px;
}

.nur-bubble p {
    margin: 0 0 8px;
}

.nur-bubble p:last-child {
    margin-bottom: 0;
}

.nur-bubble ul, .nur-bubble ol {
    margin: 6px 0;
    padding-left: 20px;
}

/* Welcome message */
.nur-welcome-message .nur-bubble {
    font-style: italic;
    opacity: 0.9;
}

/* Typing Indicator */
.nur-typing {
    padding: 8px 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--nur-text-light);
}

.nur-typing-dots {
    display: flex;
    gap: 4px;
}

.nur-typing-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--nur-primary);
    animation: nur-bounce 1.4s infinite ease-in-out both;
}

.nur-typing-dots span:nth-child(1) { animation-delay: -0.32s; }
.nur-typing-dots span:nth-child(2) { animation-delay: -0.16s; }
.nur-typing-dots span:nth-child(3) { animation-delay: 0s; }

@keyframes nur-bounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

/* Input Area */
.nur-input-area {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    padding: 12px 20px;
    background: #fff;
    border-top: 1px solid var(--nur-border);
}

.nur-message-input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--nur-border);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    resize: none;
    line-height: 1.4;
    color: var(--nur-text);
}

.nur-message-input:focus {
    outline: none;
    border-color: var(--nur-primary);
    box-shadow: 0 0 0 2px rgba(26, 109, 94, 0.15);
}

.nur-message-input::placeholder {
    color: #aaa;
}

.nur-send-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: none;
    background: var(--nur-primary);
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, transform 0.1s;
    flex-shrink: 0;
}

.nur-send-btn:hover:not(:disabled) {
    background: var(--nur-primary-dark);
}

.nur-send-btn:active:not(:disabled) {
    transform: scale(0.95);
}

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

/* Error message */
.nur-message.nur-error-message .nur-bubble {
    background: #fff3f3;
    border-color: #ffcccc;
    color: #cc0000;
}

.nur-message.nur-error-message .nur-bot-avatar {
    background: #fff3f3;
    color: #cc0000;
}

/* Footer / Disclaimer */
.nur-footer {
    padding: 10px 20px;
    background: #f0f0f0;
    text-align: center;
}

.nur-disclaimer {
    font-size: 11px;
    color: var(--nur-text-light);
    margin: 0;
    line-height: 1.4;
}

/* Login Prompt */
.nur-login-required {
    text-align: center;
    padding: 60px 20px;
}

.nur-login-prompt {
    max-width: 360px;
    margin: 0 auto;
}

.nur-login-icon {
    font-size: 48px;
    color: var(--nur-primary);
    margin-bottom: 16px;
}

.nur-login-prompt h2 {
    color: var(--nur-text);
    margin-bottom: 8px;
}

.nur-login-prompt p {
    color: var(--nur-text-light);
    margin-bottom: 24px;
}

.nur-login-btn, .nur-register-btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    margin: 0 6px;
}

.nur-login-btn {
    background: var(--nur-primary);
    color: #fff;
}

.nur-register-btn {
    background: #fff;
    color: var(--nur-primary);
    border: 1px solid var(--nur-primary);
}

.nur-login-btn:hover, .nur-register-btn:hover {
    opacity: 0.9;
}

/* Responsive */
@media (max-width: 600px) {
    .nur-chat-container {
        margin: 10px 0;
        border-radius: 0;
    }

    .nur-messages {
        max-height: 400px;
    }

    .nur-bubble {
        max-width: 90%;
    }
}