@import url('https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,300..800;1,300..800&display=swap');

*{
    margin: 0;
    padding: 0;
    outline: none;
    box-sizing: border-box;
    font-family: "Open Sans", sans-serif;
}

:root{
    --primary-color: #131314;
    --secondary-color: #1E1F20;
    --secondary-hover-color: #333537;
  
    --focus-color: #282A2C;
    --focus-hover-color: #37393B;
  
    --button-hover-color: #2f3030;
  
    --text-color: #fff;
    --text-secondary-color: #D8D8D8;
    --heading-secondary-color: #444746;
    --placeholder-color: #ABAFB3;
    --accent-color: #4a90e2;
    --accent-hover: #357abd;
    --gradient-start: #4a90e2;
    --gradient-middle: #a355b9;
    --gradient-end: #ff6b6b;
}

.light_mode{
    --primary-color: #FFFFFF;
    --secondary-color: #F0F4F9;
    --secondary-hover-color: #DDE3EA;
  
    --focus-color: #E9EEF6;
    --focus-hover-color: #E1E6ED;
  
    --button-hover-color: #E9ECF1;
  
    --text-color: #000;
    --text-secondary-color: #4D4D4D;
    --heading-secondary-color: #C4C7C5;
    --placeholder-color: #717075;
}

body{
    background: var(--primary-color);
}

.header,
.chats .message,
.chats .message .message__content,
.prompt__form{
    margin: 0 auto;
    max-width: 824px;
}

body.hide-header .header{
    margin: 0;
    display: none;
}

.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    background: var(--primary-color);
    border-bottom: 1px solid var(--secondary-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar__left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.navbar__logo {
    color: var(--text-secondary-color);
    font-weight: 600;
    font-size: 1.5rem;
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-middle));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.navbar__status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary-color);
    font-size: 0.9rem;
}

.navbar__status i {
    color: #4CAF50;
    font-size: 0.8rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        opacity: 1;
    }
}

.navbar__right {
    display: flex;
    gap: 1rem;
}

.navbar__button{
    padding: 0.5rem;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.75rem;
    border: none;
    background: var(--secondary-color);
    color: var(--text-color);
    cursor: pointer;
    transition: background 0.3s ease;
}

.navbar__button:hover{
    background: var(--secondary-hover-color);
}

.header{
    margin-top: 6vh;
}

.header__title h1{
    width: fit-content;
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-middle), var(--gradient-end));
    background-clip: text;
    -webkit-background-clip: text;
    text-fill-color: transparent;
    -webkit-text-fill-color: transparent;
    font-size: 3.25rem;
    font-weight: 600;
    animation: gradientFlow 8s ease infinite;
    background-size: 200% 200%;
}

.header__title h2{
    color: var(--heading-secondary-color);
    font-size: 3.25rem;
    font-weight: 600;
}

@keyframes gradientFlow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.suggests{
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 4.875rem;
    gap: 0.5rem;
}

.suggests__item{
    background: var(--secondary-color);
    color: var(--text-secondary-color);
    padding: 1.5rem;
    height: 12.5rem;
    width: 12.5rem;
    border-radius: 1rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.suggests__item:hover{
    background: var(--secondary-hover-color);
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.15);
}

.suggests__item-text{
    font-weight: 500;
    line-height: 1.375rem;
}

.suggests__item-icon{
    text-align: right;
}

.suggests__item-icon i{
    font-size: 1.5rem;
    background: var(--primary-color);
    padding: 0.75rem;
    border-radius: 50%;
    transition: all 0.3s ease;
    color: var(--accent-color);
}

.suggests__item:hover .suggests__item-icon i{
    transform: scale(1.1);
    background: var(--accent-color);
    color: var(--text-color);
}

.prompt{
    position: fixed;
    background: var(--primary-color);
    z-index: 1000;
    width: 100%;
    left: 0;
    bottom: 0;
    padding: 1rem;
}

.prompt__input-wrapper{
    width: 100%;
    height: 4rem;
    display: flex;
    position: relative;
}

.prompt__form-input{
    height: 100%;
    width: 100%;
    border: 2px solid transparent;
    resize: none;
    font-size: 1rem;
    color: var(--text-color);
    padding: 1rem 1.75rem;
    border-radius: 100px;
    background: var(--secondary-color);
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.prompt__form-input:focus{
    background: var(--focus-color);
    border-color: var(--accent-color);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.prompt__form-input:focus ~ .prompt__form-button:hover{
    background: var(--focus-hover-color);
}

.prompt__form-input::placeholder{
    color: var(--placeholder-color);
}

.prompt__form-button{
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    border: none;
    width: 48px;
    height: 48px;
    cursor: pointer;
    border-radius: 50%;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
    background: var(--accent-color);
    transition: all 0.3s ease;
}

.prompt__form-button:hover{
    background: var(--accent-hover);
    transform: translateY(-50%) scale(1.1);
}

.prompt__form-button#sendButton{
    transform: translateY(-50%) scale(0);
}

.prompt__form-input:valid ~ .prompt__form-button#sendButton{
    transform: translateY(-50%) scale(1);
}

.prompt__form-input:valid ~ #deleteButton{
    right: 3.5rem;
}

.prompt__disclaim {
    text-align: center;
    color: var(--placeholder-color);
    font-size: 0.85rem;
    margin-top: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.prompt__disclaim i {
    font-size: 1.1rem;
    color: var(--accent-color);
}

.chats{
    padding: 2rem 1rem 10rem;
    max-height: 100%;
    overflow-y: auto;
    scrollbar-color: #999 transparent;
}

.chats .message--incoming{
    margin-top: 1.5rem;
}

.chats .message--outgoing:not(:first-child){
    margin-top: 40px;
}

.chats .message__content{
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    width: 100%;
    animation: messageSlide 0.3s ease-out;
}

.chats .message__text{
    color: var(--text-color);
    white-space: pre-wrap;
    margin-top: 10px;
}

.hide{
    display: none !important;
}

.chats .message--error .message__text{
    color: #e55865;
}

.chats .message--loading .message__text{
    display: none;
}

.chats .message__avatar{
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: 50%;
    object-fit: top center;
    border: 2px solid var(--accent-color);
    transition: all 0.3s ease;
}

.chats .message:hover .message__avatar{
    transform: scale(1.1);
    box-shadow: 0 0 10px rgba(74, 144, 226, 0.3);
}

.chats .message--loading .message__avatar{
    animation: rotate 3s linear infinite;
}

@keyframes rotate {
    
    100%{
        transform: rotate(360deg);
    }

}

.chats .message__icon{
    color: var(--text-color);
    cursor: pointer;
    height: 35px;
    width: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    font-size: 1.25rem;
    margin-left: 3.5rem;
    transition: background 0.3s ease;
}

.chats .message__icon:hover{
    background: var(--secondary-hover-color);
}

.chats .message__loading-indicator{
    display: none;
    gap: 0.6rem;
    width: 100%;
    flex-direction: column;
    margin-bottom: 20px;
}

.chats .message--loading .message__loading-indicator{
    display: flex;
}

.chats .message__loading-indicator .message__loading-bar{
    height: 1rem;
    width: 100%;
    border-radius: 0.135rem;
    background-position: -800px 0;
    background: linear-gradient(to right, #2563eb60 30%, var(--primary-color) 60%, #2563eb60);
    animation: loading 3s linear infinite;
}

.chats .message__loading-indicator .message__loading-bar:first-child{
    width: 85%;
}

.chats .message__loading-indicator .message__loading-bar:last-child{
    width: 70%;
}

@keyframes loading {
    
    0%{
        background-position: -800px 0;
    }
    50%{
        background-position: 0px 0;
    }
    100%{
        background-position: 800px 0;
    }

}

.code__copy-btn{
    background-color: transparent;
    border: none;
    color: var(--text-color);
    border-radius: 5px;
    cursor: pointer;
    position: absolute;
    right: 10px;
    top: 12px;
    z-index: 10;
    font-size: 18px;
}

p{
    margin-bottom: 10px;
}

ul{
    list-style: disc inside;
    margin-left: 20px;
}

ol{
    margin-left: 40px;
}

strong{
    font-weight: bold;
}

em{
    font-size: italic;
}

a{
    color: #1e90ff;
    text-decoration: none;
}

th,
td{
    border: 1px solid;
    text-align: left;
    padding: 10px;
}

pre{
    position: relative;
    background-color: var(--secondary-color);
    padding: 10px 0 0;
    font-family: monospace;
    font-size: 14px;
    border-radius: 10px;
    margin: 0;
    overflow-x: auto;
}

code{
    margin-top: 30px;
    border-radius: 5px;
    color: inherit;
}

.code__language-label{
    position: absolute;
    font-weight: bold;
    top: 10px;
    left: 12px;
    color: var(--placeholder-color);
    font-size: 14px;
    text-transform: capitalize;
}

.hljs{
    background-color: var(--secondary-color);
}

blockquote{
    padding-left: 60px;
    line-height: 2.5rem;
    color: var(--text-color);
}

@keyframes messageSlide {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media screen and (max-width: 980px) {
    
    .header{
        padding: 0 2rem;
    }

    .header__title{
        line-height: 2.8rem;
    }

    .header__title h1{
        font-size: 2.7rem;
    }

    .header__title h2{
        font-size: 2.5rem;
    }

    .suggests{
        justify-content: center;
    }

    .suggests__item:nth-child(3),
    .suggests__item:nth-child(4){
        display: none;
    }

    .message{
        padding: 0 1.5rem;
    }

    .prompt__disclaim{
        font-size: 0.8rem;
    }

    .navbar {
        padding: 1rem;
    }

    .navbar__status span {
        display: none;
    }

}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--secondary-color);
    border-radius: 1rem;
    width: fit-content;
    margin: 1rem 0;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--accent-color);
    border-radius: 50%;
    animation: typing 1s infinite ease-in-out;
}

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

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

@keyframes typing {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

/* Message Status */
.message__status {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.8rem;
    color: var(--text-secondary-color);
    margin-top: 0.5rem;
}

.message__status i {
    font-size: 1rem;
}

.message__status.sent i {
    color: var(--accent-color);
}

.message__status.delivered i {
    color: var(--accent-color);
}

.message__status.read i {
    color: #4CAF50;
}

/* Message Reactions */
.message__reactions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.reaction-btn {
    background: var(--secondary-color);
    border: none;
    padding: 0.25rem 0.5rem;
    border-radius: 1rem;
    color: var(--text-secondary-color);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.reaction-btn:hover {
    background: var(--secondary-hover-color);
    color: var(--accent-color);
}

.reaction-btn.active {
    background: var(--accent-color);
    color: var(--text-color);
}

/* Quick Actions */
.quick-actions {
    display: flex;
    gap: 0.995rem;
    margin-top: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.quick-action-btn {
    background: var(--secondary-color);
    border: 1px solid var(--accent-color);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    color: var(--accent-color);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quick-action-btn:hover {
    background: var(--accent-color);
    color: var(--text-color);
}

.quick-action-btn i {
    font-size: 1.1rem;
}

/* Message Actions Menu */
.message__actions {
    position: absolute;
    right: 0;
    top: 0;
    background: var(--secondary-color);
    border-radius: 0.5rem;
    padding: 0.5rem;
    display: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.message:hover .message__actions {
    display: flex;
    gap: 0.5rem;
}

.message__action-btn {
    background: none;
    border: none;
    color: var(--text-secondary-color);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 0.25rem;
    transition: all 0.3s ease;
}

.message__action-btn:hover {
    background: var(--secondary-hover-color);
    color: var(--accent-color);
}