* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: system-ui, sans-serif;
}

body {
    min-height: 100dvh;
    background: #ffffff;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    /* change here */
    gap: 12px;
    padding: 0 20px;
    border-bottom: 1px solid #54748b;
    background: #93b3c7;
    z-index: 1000;
}

.menu-wrapper {
    position: relative;
    cursor: pointer;
    margin-left: auto;
    /* pushes to right */
}

.logo {
    width: 36px;
}

.title {
    font-size: 18px;
    font-weight: 600;
    color: #1f3b4d;
}


/* typing animation and loading dots */

.typing {
    display: flex;
    gap: 6px;
    padding: 10px 14px;
    border-radius: 14px;
    background: #e8f2f8;
    /* soft cloudy */
    width: fit-content;
}

.dot {
    width: 6px;
    height: 6px;
    background: #2872A1;
    border-radius: 50%;
    animation: blink 1.4s infinite both;
}

.dot:nth-child(2) {
    animation-delay: 0.2s;
}

.dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes blink {
    0% {
        opacity: .2;
    }

    20% {
        opacity: 1;
    }

    100% {
        opacity: .2;
    }
}

/* chat container */
.chat-container {
    position: fixed;
    top: 64px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 640px;
    bottom: 90px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 10px;
}

/* Hide scrollbar */
.chat-container::-webkit-scrollbar {
    display: none;
}

.chat-container {
    -ms-overflow-style: none;
    /* IE */
    scrollbar-width: none;
    /* Firefox */
}

/* Chat bubbles */
.chat-bubble {
    padding: 10px 14px;
    border-radius: 14px;
    max-width: 70%;
    word-wrap: break-word;
    font-size: 14px;
}

.user {
    align-self: flex-end;
    background: #2872A1;
    /* Ocean Blue */
    color: white;
    box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;
}

.bot {
    align-self: flex-start;
    background: #ffffff;
    /* Cloudy Sky tint */
    color: #1f3b4d;
    box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;
}

/* suggest question */
.suggestions {
    position: fixed;
    bottom: 90px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 640px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.suggestion {
    background: #a4c2d4;
    padding: 6px 10px;
    border-radius: 16px;
    font-size: 13px;
    cursor: pointer;
    border: 1px solid #b6d0e2;
    box-shadow: rgba(0, 0, 0, 0.04) 0px 3px 5px;
}

.suggestion:hover {
    background: #2872A1;
    color: white;
}

/* Input box */
.input-wrapper {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 640px;
    display: flex;
    align-items: center;
    padding: 8px 12px;
    border: 2px solid #91b0c5;
    border-radius: 999px;
    background: #ffffff;
}

.input-wrapper input {
    flex: 1;
    border: none;
    outline: none;
    padding: 8px;
}

.send-btn {
    background: #2872A1;
    color: white;
    border: none;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    cursor: pointer;

    display: flex;
    align-items: center;
    justify-content: center;
}

.send-btn .material-icons {
    font-size: 20px;
}

/* mic button */

.mic-btn {
    background: transparent;
    border: none;
    font-size: 18px;
    cursor: pointer;
    margin-right: 6px;
    opacity: 1;
}

.mic-btn .material-icons {
    font-size: 20px;
    color: #2872A1;
}

.mic-btn:hover {
    opacity: 1;
}

/* hide mic when typing */
.mic-hidden {
    display: none;
}


.wave {
    display: none;
    gap: 3px;
}

.wave span {
    width: 4px;
    height: 12px;
    background: #2872A1;
    border-radius: 2px;
    animation: waveAnim 1s infinite ease-in-out;
}

.wave span:nth-child(2) {
    animation-delay: 0.2s;
}

.wave span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes waveAnim {
    0% {
        transform: scaleY(0.4);
    }

    50% {
        transform: scaleY(1);
    }

    100% {
        transform: scaleY(0.4);
    }
}

.mic-btn {
    position: relative;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* wave center alignment*/
.wave {
    position: absolute;
    display: none;
    gap: 3px;
    align-items: center;
}

.mic-listening .wave {
    display: flex;
}

.mic-listening .mic-icon {
    display: none;
}

/* Bot action icons */
.bot-actions {
    display: flex;
    gap: 10px;
    align-self: flex-start;
    opacity: 1;
    /* always visible */
    transition: none;
    position: relative;
}



.action-icon {
    font-size: 14px !important;
    color: #6c95b3;
    cursor: pointer;
    transition: 0.2s ease;
}

.action-icon:hover {
    color: #174561;
}

.copy-alert {
    position: absolute;
    top: 22px;
    right: 0;
    background: #2872A1;
    color: white;
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 6px;
    opacity: 0;
    transition: 0.2s ease;
}

.bot-wrapper {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    overflow: visible;
    gap: 4px;
    width: 100%;
}

.chat-bubble.bot {
    max-width: 75%;
}


.dropdown-menu {
    position: absolute;
    right: 0;
    top: 42px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    display: none;
    flex-direction: column;
    min-width: 200px;
    overflow: hidden;
    border: 1px solid #b6d0e2;
}

.menu-item {
    padding: 12px 16px;
    cursor: pointer;
    font-size: 14px;
    color: #1f3b4d;
    transition: 0.2s ease;
}

.menu-item:hover {
    background: #2872A1;
    color: white;
}

.scroll-btn {
    position: fixed;
    bottom: 110px;
    left: 50%;
    transform: translateX(-50%);

    width: 48px;
    height: 48px;
    border-radius: 50%;

    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;

    background: rgba(47, 111, 143, 0.25);
    /* transparent */
    backdrop-filter: blur(6px);
    /* glass effect */
    color: #2f6f8f;

    border: 1px solid rgba(47, 111, 143, 0.4);

    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    z-index: 1000;
}

.scroll-btn:hover {
    background: rgba(47, 111, 143, 0.45);
    transform: translateX(-50%) translateY(-4px);
}