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

:root {
    --primary: #00a884;
    --primary-dark: #008f72;
    --primary-light: #e8f8f3;
    --user-bubble: #dcf8c6;
    --bot-bubble: #f0f2f5;
    --bg: #f5f6f8;
    --white: #ffffff;
    --text-dark: #1a1a2e;
    --text-muted: #8696a0;
    --text-light: #667781;
    --border: #e9edef;
    --success: #00a884;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
    --radius: 12px;
    --radius-lg: 18px;
}

html, body {
    height: 100%;
}

body {
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text-dark);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* ===== App Layout ===== */
.app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    max-width: 1100px;
    margin: 0 auto;
    background: var(--white);
    box-shadow: var(--shadow-md);
}

/* ===== Header ===== */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 24px;
    border-bottom: 1px solid var(--border);
    background: var(--white);
    flex-shrink: 0;
    gap: 16px;
}

.header-left {
    flex: 0 0 auto;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    width: 40px;
    height: 40px;
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.5px;
    line-height: 1.2;
}

.brand-tagline {
    font-size: 0.6rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.8px;
}

.header-center {
    flex: 1;
    text-align: center;
    min-width: 0;
}

.title-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.title-row h1 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-dark);
    white-space: nowrap;
}

.ai-badge {
    background: var(--primary);
    color: var(--white);
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 10px;
    letter-spacing: 0.5px;
}

.subtitle {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.header-right {
    flex: 0 0 auto;
}

.btn-new-chat {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--white);
    border: 1.5px solid var(--primary);
    border-radius: 20px;
    color: var(--primary);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    font-family: inherit;
}

.btn-new-chat:hover {
    background: var(--primary-light);
}

/* ===== Chat Main ===== */
.chat-main {
    flex: 1;
    overflow-y: auto;
    background: var(--bg);
    padding: 24px 32px;
    display: flex;
    flex-direction: column;
}

.chat-messages {
    display: flex;
    flex-direction: column;
    gap: 20px;
    flex: 1;
}

/* ===== Message Rows ===== */
.message-row {
    display: flex;
    gap: 10px;
    animation: fadeSlide 0.35s ease;
}

@keyframes fadeSlide {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.bot-row {
    align-self: flex-start;
    max-width: 75%;
}

.user-row {
    align-self: flex-end;
    flex-direction: row-reverse;
    max-width: 75%;
}

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

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

.bot-avatar svg {
    width: 22px;
    height: 22px;
}

.message-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.user-row .message-group {
    align-items: flex-end;
}

/* ===== Bubbles ===== */
.bubble {
    padding: 12px 16px;
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    line-height: 1.55;
    word-wrap: break-word;
}

.bot-bubble {
    background: var(--bot-bubble);
    color: var(--text-dark);
    border-top-left-radius: 4px;
}

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

.bubble p {
    margin: 0;
}

.bubble-gap {
    margin-top: 8px !important;
}

.example-text {
    margin-top: 8px !important;
    font-style: italic;
    color: var(--text-light);
    font-size: 0.85rem;
}

.bubble strong {
    font-weight: 600;
}

/* ===== Timestamps ===== */
.timestamp {
    font-size: 0.7rem;
    color: var(--text-muted);
    padding: 0 4px;
}

.read-status {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.read-status svg {
    color: var(--primary);
}

/* ===== Detail Card (Leave Summary) ===== */
.detail-card {
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.detail-row {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
}

.detail-icon {
    width: 28px;
    height: 28px;
    background: var(--white);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--primary);
}

.detail-icon svg {
    width: 15px;
    height: 15px;
}

.detail-label {
    color: var(--text-muted);
    min-width: 90px;
    font-size: 0.8rem;
}

.detail-value {
    font-weight: 600;
    color: var(--text-dark);
}

/* ===== Success Card ===== */
.success-card {
    margin-top: 4px;
}

.success-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}

.success-icon {
    font-size: 1.3rem;
}

.success-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-dark);
}

.success-subtitle,
.status-subtitle {
    font-weight: 600;
    font-size: 0.88rem;
    margin-bottom: 12px;
}

.success-subtitle,
.status-card-approved .status-subtitle {
    color: var(--success);
}

.status-card-pending .status-subtitle {
    color: #e6a817;
}

.status-card-rejected .status-subtitle,
.status-card-lop .status-subtitle,
.status-card-disciplinary .status-subtitle {
    color: #e74c3c;
}

.status-approved {
    color: var(--success);
    font-weight: 700;
}

.status-pending {
    color: #e6a817;
    font-weight: 700;
}

.status-rejected,
.status-lop,
.status-disciplinary {
    color: #e74c3c;
    font-weight: 700;
}

/* ===== Typing Indicator ===== */
.typing-row {
    align-self: flex-start;
}

.typing-bubble {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 14px 20px;
}

.dot {
    width: 8px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out both;
}

.dot:nth-child(1) { animation-delay: -0.32s; }
.dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes bounce {
    0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
    40% { transform: scale(1); opacity: 1; }
}

/* ===== Footer / Input ===== */
.chat-footer {
    padding: 12px 24px 16px;
    background: var(--white);
    border-top: 1px solid var(--border);
    flex-shrink: 0;
}

.input-container {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--white);
    border: 1.5px solid var(--border);
    border-radius: 28px;
    padding: 6px 8px 6px 16px;
    box-shadow: var(--shadow-sm);
    transition: border-color 0.2s;
}

.input-container:focus-within {
    border-color: var(--primary);
}
.input-container input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--text-dark);
    background: transparent;
    padding: 8px 0;
}

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

.btn-send {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--primary);
    border: none;
    color: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, transform 0.15s;
    flex-shrink: 0;
}

.btn-send:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: scale(1.05);
}

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

.disclaimer {
    text-align: center;
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: 10px;
}

/* ===== Scrollbar ===== */
.chat-main::-webkit-scrollbar {
    width: 6px;
}

.chat-main::-webkit-scrollbar-track {
    background: transparent;
}

.chat-main::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 3px;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .header {
        flex-wrap: wrap;
        padding: 12px 16px;
    }

    .header-left {
        order: 1;
    }

    .header-right {
        order: 2;
    }

    .header-center {
        order: 3;
        width: 100%;
        margin-top: 4px;
    }

    .brand-tagline {
        display: none;
    }

    .chat-main {
        padding: 16px;
    }

    .bot-row,
    .user-row {
        max-width: 90%;
    }

    .title-row h1 {
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .btn-new-chat span {
        display: none;
    }

    .btn-new-chat {
        padding: 8px 10px;
    }
}