/* ============================================================
   CHATBOT PAGE — riso-aesthetic full-screen chat UI
   Inherits palette/fonts from styles.css (--cyan, --pink, --ink, etc)
   ============================================================ */

@import url('styles.css');

html, body { height: 100%; }

body {
    background: var(--paper);
    overflow: hidden;
}

.app-container {
    display: flex;
    height: 100vh;
    background: var(--paper);
    position: relative;
}

/* ============================================================
   SIDEBAR — cyan halftone with quick-links
   ============================================================ */
.sidebar {
    width: 320px;
    background: var(--cyan);
    border-right: 4px solid var(--ink);
    padding: 1.8rem 1.4rem 1.4rem;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow-y: auto;
    flex-shrink: 0;
}

.sidebar::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(10, 10, 10, 0.18) 1.6px, transparent 2px);
    background-size: 12px 12px;
    pointer-events: none;
    opacity: 0.55;
}

.sidebar > * { position: relative; z-index: 1; }

.sidebar-header {
    text-align: center;
    margin-bottom: 1.6rem;
    padding-bottom: 1.2rem;
    border-bottom: 3px solid var(--ink);
}

.sidebar-logo {
    width: 110px;
    height: auto;
    margin: 0 auto 1rem;
    display: block;
}

.sidebar-header h3 {
    font: 800 0.82rem 'Funnel Display', sans-serif;
    color: var(--ink);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-top: 0.5rem;
}

.quick-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 1.5rem;
}

.quick-link-btn {
    background: var(--paper);
    border: 2.5px solid var(--ink);
    padding: 12px 14px;
    color: var(--ink);
    cursor: pointer;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 12px;
    font: 700 0.85rem 'Funnel Sans', sans-serif;
    letter-spacing: 0.02em;
    transition: all 0.15s;
    box-shadow: 4px 4px 0 var(--ink);
}

.quick-link-btn i {
    width: 22px;
    color: var(--pink);
    font-size: 1rem;
    flex-shrink: 0;
}

.quick-link-btn:hover {
    background: var(--yellow);
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--ink);
}

.quick-link-btn:hover i { color: var(--ink); }

.back-button-container {
    margin-top: auto;
    padding-top: 1.4rem;
    border-top: 2px dashed var(--ink);
}

.back-button {
    color: var(--ink);
    font: 800 0.78rem 'Funnel Display', sans-serif;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border: 2.5px solid var(--ink);
    background: var(--paper);
    transition: all 0.15s;
    box-shadow: 3px 3px 0 var(--ink);
}

.back-button:hover {
    background: var(--ink);
    color: var(--paper);
    transform: translate(-1px, -1px);
    box-shadow: 5px 5px 0 var(--pink);
}

.back-button i { font-size: 0.85rem; }

/* ============================================================
   CHAT MAIN
   ============================================================ */
.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--paper);
    height: 100vh;
}

.chat-header {
    background: var(--ink);
    color: var(--paper);
    padding: 1rem 1.6rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 4px solid var(--pink);
    flex-shrink: 0;
}

.header-content h1 {
    font: 900 1.3rem 'Funnel Display', sans-serif;
    color: var(--paper);
    text-transform: uppercase;
    letter-spacing: -0.01em;
    margin: 0;
}

.status {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 4px;
    font: 600 0.74rem 'Funnel Sans', sans-serif;
    color: var(--cyan);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.status-indicator {
    width: 9px; height: 9px;
    border-radius: 50%;
    background: var(--pink);
    animation: pulse 1.6s ease-in-out infinite;
}

/* Online state — cyan dot, cyan text */
.status.online { color: var(--cyan); }
.status.online .status-indicator { background: var(--cyan); }

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.icon-button {
    width: 38px; height: 38px;
    background: transparent;
    border: 2px solid var(--paper);
    color: var(--paper);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}

.icon-button:hover {
    background: var(--pink);
    border-color: var(--pink);
    color: var(--paper);
}

.header-actions .language-switch {
    margin-left: 0.2rem;
}

/* ============================================================
   MESSAGES
   ============================================================ */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1.8rem 1.6rem;
    background: var(--paper);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Welcome — speech-bubble comic panel */
.welcome-message {
    background: var(--paper);
    border: 3px solid var(--ink);
    padding: 1.6rem 1.8rem;
    max-width: 560px;
    box-shadow: 8px 8px 0 var(--pink);
    margin: 1rem 0 1rem 1rem;
    position: relative;
    align-self: flex-start;
}

.welcome-message::before {
    content: '';
    position: absolute;
    bottom: -18px;
    left: 36px;
    width: 0;
    height: 0;
    border-left: 18px solid transparent;
    border-right: 18px solid transparent;
    border-top: 18px solid var(--ink);
}

.welcome-message::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 40px;
    width: 0;
    height: 0;
    border-left: 14px solid transparent;
    border-right: 14px solid transparent;
    border-top: 14px solid var(--paper);
}

.welcome-message h2 {
    font: 900 1.5rem 'Funnel Display', sans-serif;
    color: var(--ink);
    text-transform: uppercase;
    letter-spacing: -0.015em;
    line-height: 1.05;
    margin: 0 0 0.8rem;
    border-bottom: 3px solid var(--pink);
    padding-bottom: 0.6rem;
}

.welcome-message p {
    font: 500 0.95rem 'Funnel Sans', sans-serif;
    color: var(--ink);
    line-height: 1.5;
    margin-bottom: 0.8rem;
}

.welcome-message ul {
    list-style: none;
    padding: 0;
    margin: 0 0 0.8rem 0;
}

.welcome-message ul li {
    font: 600 0.92rem 'Funnel Sans', sans-serif;
    padding: 4px 0 4px 22px;
    position: relative;
    line-height: 1.4;
}

.welcome-message ul li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--pink);
    font-weight: bold;
    font-size: 1rem;
}

/* User + bot message bubbles */
.message {
    max-width: 70%;
    padding: 12px 16px;
    border: 2.5px solid var(--ink);
    box-shadow: 4px 4px 0 var(--ink);
    font: 500 0.95rem 'Funnel Sans', sans-serif;
    line-height: 1.5;
    word-wrap: break-word;
}

.message.user {
    background: var(--cyan);
    color: var(--ink);
    align-self: flex-end;
}

.message.bot {
    background: var(--paper);
    color: var(--ink);
    align-self: flex-start;
    box-shadow: 4px 4px 0 var(--pink);
}

.message.error {
    background: var(--pink);
    color: var(--paper);
    align-self: flex-start;
}

/* ============================================================
   INPUT BAR
   ============================================================ */
.chat-input-container {
    padding: 1rem 1.6rem 1.4rem;
    background: var(--paper);
    border-top: 3px solid var(--ink);
    flex-shrink: 0;
}

.input-wrapper {
    display: flex;
    align-items: stretch;
    background: var(--paper);
    border: 3px solid var(--ink);
    box-shadow: 6px 6px 0 var(--ink);
    max-width: 1000px;
    margin: 0 auto;
}

#user-input {
    flex: 1;
    background: var(--paper);
    border: none;
    padding: 14px 16px;
    font: 500 0.95rem 'Funnel Sans', sans-serif;
    color: var(--ink);
    resize: none;
    outline: none;
    min-height: 50px;
    max-height: 140px;
    line-height: 1.4;
}

#user-input::placeholder {
    color: var(--ink);
    opacity: 0.45;
    font-weight: 500;
}

.send-button {
    background: var(--ink);
    color: var(--yellow);
    border: none;
    border-left: 3px solid var(--ink);
    padding: 0 22px;
    cursor: pointer;
    font-size: 1.1rem;
    transition: background 0.15s, color 0.15s;
    flex-shrink: 0;
}

.send-button:hover {
    background: var(--pink);
    color: var(--paper);
}

.send-button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Typing indicator */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 16px;
    margin-top: 8px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.typing-indicator span {
    width: 8px; height: 8px;
    background: var(--pink);
    border-radius: 50%;
    animation: typingBounce 1.2s ease-in-out infinite;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.15s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.3s; }

@keyframes typingBounce {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
    30% { transform: translateY(-6px); opacity: 1; }
}

/* ============================================================
   DARK MODE — chatbot specific overrides
   ============================================================ */
[data-theme="dark"] .sidebar {
    background: var(--paper-deep);
    border-right-color: var(--cyan);
}
[data-theme="dark"] .sidebar::before {
    background-image: radial-gradient(circle, rgba(255, 250, 242, 0.18) 1.6px, transparent 2px);
    opacity: 0.45;
}
[data-theme="dark"] .sidebar-header { border-bottom-color: var(--ink); }
[data-theme="dark"] .sidebar-header h3 { color: var(--cyan); }

[data-theme="dark"] .quick-link-btn {
    background: var(--paper);
    color: var(--ink);
    border-color: var(--ink);
    box-shadow: 4px 4px 0 var(--cyan);
}
[data-theme="dark"] .quick-link-btn:hover {
    background: var(--cyan);
    color: var(--paper);
    box-shadow: 6px 6px 0 var(--pink);
}
[data-theme="dark"] .quick-link-btn:hover i { color: var(--paper); }

[data-theme="dark"] .back-button-container { border-top-color: rgba(255, 250, 242, 0.3); }
[data-theme="dark"] .back-button {
    background: var(--paper);
    color: var(--ink);
    border-color: var(--ink);
    box-shadow: 3px 3px 0 var(--cyan);
}
[data-theme="dark"] .back-button:hover {
    background: var(--cyan);
    color: var(--paper);
    box-shadow: 5px 5px 0 var(--pink);
}

[data-theme="dark"] .chat-header {
    background: #050505;
    border-bottom-color: var(--pink);
}
[data-theme="dark"] .header-content h1 { color: #fffaf2; }
[data-theme="dark"] .icon-button {
    border-color: #fffaf2;
    color: #fffaf2;
}
[data-theme="dark"] .icon-button:hover {
    background: var(--cyan);
    border-color: var(--cyan);
    color: var(--paper);
}

/* Welcome message: speech bubble with neon shadow */
[data-theme="dark"] .welcome-message {
    background: var(--paper-deep);
    border-color: var(--cyan);
    color: var(--ink);
    box-shadow: 8px 8px 0 var(--pink);
}
[data-theme="dark"] .welcome-message::before { border-top-color: var(--cyan); }
[data-theme="dark"] .welcome-message::after { border-top-color: var(--paper-deep); }
[data-theme="dark"] .welcome-message h2 { color: var(--ink); border-bottom-color: var(--pink); }

/* Messages */
[data-theme="dark"] .message.user {
    background: var(--cyan);
    color: var(--paper);
    border-color: var(--cyan);
    box-shadow: 4px 4px 0 var(--pink);
}
[data-theme="dark"] .message.bot {
    background: var(--paper-deep);
    color: var(--ink);
    border-color: var(--ink);
    box-shadow: 4px 4px 0 var(--pink);
}
[data-theme="dark"] .message.error {
    background: var(--pink);
    color: var(--paper);
    border-color: var(--pink);
}

[data-theme="dark"] .chat-input-container { border-top-color: var(--ink); }
[data-theme="dark"] .input-wrapper {
    background: var(--paper-deep);
    border-color: var(--cyan);
    box-shadow: 6px 6px 0 var(--cyan);
}
[data-theme="dark"] #user-input {
    background: var(--paper-deep);
    color: var(--ink);
}
[data-theme="dark"] #user-input::placeholder { color: rgba(255, 250, 242, 0.5); }
[data-theme="dark"] .send-button {
    background: var(--cyan);
    color: var(--paper);
    border-left-color: var(--cyan);
}
[data-theme="dark"] .send-button:hover { background: var(--pink); color: var(--paper); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    .app-container { flex-direction: column; height: auto; }
    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 4px solid var(--ink);
        max-height: 50vh;
    }
    .chat-container { height: auto; min-height: 60vh; }
    .quick-links { flex-direction: row; flex-wrap: wrap; }
    .quick-link-btn { flex: 1 1 auto; min-width: 140px; }
    .welcome-message { max-width: calc(100% - 2rem); }
    .header-content h1 { font-size: 1.05rem; }
}