/*==============================================================
  ROOT VARIABLES
  This section defines reusable values like colors, sizes, and transitions
  used throughout the stylesheet. 
=============================================================*/
:root {
    --color-primary: #6f6af8;         /* Primary brand color */
    --color-primary-light: hsl(242, 91%, 69%, 18%); /* Lighter shade of primary */
    --color-primary-variant: #5854c7; /* A variant of primary color */
    --color-red: #da0f3f;              /* Red for errors and alerts */
    --color-red-light: hsl(346, 87%, 46%, 15%); /* Lighter shade of red */
    --color-green: #00c476;           /* Green for success messages */
    --color-green-light: hsl(156, 100%, 38%, 15%); /* Lighter shade of green */
    --color-gray-900: #1e1e66;        /* Darkest gray */
    --color-gray-700: #2d2b7c;        /* Medium-dark gray */
    --color-gray-300: rgba(242, 242, 254, 0.3); /* Light gray with transparency */
    --color-gray-200: rgba(242, 242, 254, 0.7); /* Lighter gray with transparency */
    --color-white: #f2f2fe;            /* Off-white for text and backgrounds */
    --color-bg: #0f0f3e;              /* Background color */

    --transition: all 300ms ease;     /* Default transition for animations */

    --container-width-lg: 74%;        /* Large container width */
    --container-width-md: 88%;        /* Medium container width */
    --form-width: 40%;                /* Width for forms */

    --card-border-radius-1: 0.3rem;  /* Small border radius */
    --card-border-radius-2: 0.5rem;  /* Medium border radius */
    --card-border-radius-3: 0.8rem;  /* Large border radius */
    --card-border-radius-4: 2rem;   /* Extra large border radius */
    --card-border-radius-5: 5rem;   /* Biggest border radius */
}

/*==============================================================
  GENERAL STYLES
  These styles apply to the entire document and set up basic 
  formatting for elements like the body, headings, links, etc. 
=============================================================*/
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    outline: 0;
    border: 0;
    appearance: 0;
    list-style: none;
    text-decoration: none;
}

body {
    font-family: "Montserrat", sans-serif;
    line-height: 1.6;
    color: var(--color-gray-200);
    overflow-x: hidden;
    background: var(--color-bg);
    font-size: 0.9rem;
}

.container {
    width: var(--container-width-lg);
    max-width: 1800px;
    margin-inline: auto; /* Center the container */
}

section {
    margin-top: 3rem;
    width: 100vw;
}

h1, h2, h3, h4, h5 {
    color: var(--color-white);
    line-height: 1.3;
}

h1 {
    font-size: 3rem;
    margin: 1rem 0;
}

h2 {
    font-size: 1.7rem;
    margin: 1rem 0;
}

h3 {
    font-size: 1.1rem;
    margin: 0.8rem 0 0.5rem; 
}

h4 {
    font-size: 1rem;
}

a {
    color: var(--color-white);
    transition: var(--transition);
}

img {
    display: block;
    width: 100%;
    object-fit: cover;
}

/*==============================================================
  NAVIGATION BAR
  Styles for the website's main navigation bar including logo, 
  navigation items, and user profile dropdown.
=============================================================*/
nav {
    background: var(--color-primary);
    width: 100vw;
    height: 4.5rem;
    position: fixed;
    top: 0;
    z-index: 10;
    box-shadow: 0 1rem rgba(0, 0, 0, 0.2);
}

nav button {
    display: none; /* Hidden by default, shown on smaller screens */
}

.nav__container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.avatar {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    overflow: hidden;
    border: 0.3rem solid var(--color-bg);
}

.nav__logo {
    font-size: 1.2rem;
    font-weight: 600;
}

.nav__items {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.nav__profile {
    position: relative;
    cursor: pointer;
}

.nav__profile ul {
    position: absolute;
    top: 140%;
    right: 0;
    display: flex;
    flex-direction: column;
    box-shadow: 0 3rem 2rem rgba(0, 0, 0, 0.4);
    visibility: hidden;
    opacity: 0;
    transition: var(--transition);
}

.nav__profile:hover > ul {
    visibility: visible;
    opacity: 1;
}

.nav__profile ul li a {
    padding: 1rem;
    background: var(--color-gray-900);
    display: block;
    width: 100%;
}

.nav__profile ul li:last-child a {
    background: var(--color-red);
    color: var(--color-bg);
}

/*==============================================================
  POST STYLES
  Styles related to post elements like thumbnails, author information, 
  and featured posts.
=============================================================*/
.category__button {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    display: inline-block;
    padding: .5rem 1rem;
    border-radius: var(--card-border-radius-2);
    font-weight: 600;
    font-size: 0.8rem;
    text-align: center;
}

.category__button:hover {
    color: var(--color-white);
}

.post__thumbnail {
    border-radius: var(--card-border-radius-5) 0;
    border: 1rem solid var(--color-gray-900);
    overflow: hidden;
    margin-bottom: 1.6rem;
}

.post__thumbnail img {
    transition: transform 0.5s ease, filter 0.5s ease, opacity 0.5s ease;
}

.post:hover .post__thumbnail img {
    filter: saturate(0);
    transform: scale(1.1);
    opacity: 0.7;
}

.post__author {
    display: flex;
    gap: 1rem;
    margin-top: 1.2rem;
}

.post__author-avatar {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--card-border-radius-3);
    overflow: hidden;
}

.post__author-avatar img {
    width: 100%;
}

/*==============================================================
  FEATURED POSTS
  Styles for the section displaying featured posts 
=============================================================*/
.featured {
    margin-top: 8rem;   
}

.featured__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.featured .post__thumbnail {
    height: fit-content;
}

/*==============================================================
  POST GRID
  Styles for the grid layout of regular posts 
=============================================================*/
.post__container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 5rem;
    margin-bottom: 5rem;
}

/*==============================================================
  CATEGORY BUTTONS
  Styles for the section with category filter buttons 
=============================================================*/
.category__buttons {
    padding: 4rem 0;
    border-top: 2px solid var(--color-gray-900);
    border-bottom: 2px solid var(--color-gray-900); 
}

.category__buttons-container {
    width: fit-content;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

/*==============================================================
  FOOTER
  Styles for the website's footer including social links, 
  navigation links, and copyright information.
=============================================================*/
footer {
    background: var(--color-gray-900);
    padding: 5rem 0 0;
    box-shadow: inset 0 1.5rem 1.5rem rgba(0, 0, 0, 0.2);
}

.footer__socials {
    margin-inline: auto;
    width: fit-content;
    margin-bottom: 5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.2rem;
}

.footer__socials a {
    background: var(--color-bg);
    border-radius: 50%;
    width: 2.3rem;
    height: 2.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
}

.footer__socials a:hover {
    transform: translateY(-3px);
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.1);
    background-color: var(--color-gray-300);
}

.footer__container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

footer h4 {
    color: var(--color-white);
    margin-bottom: .6rem;
}

footer ul a {
    transition: opacity 0.3s ease, letter-spacing 0.3s, background-color 0.3s ease, border-radius 0.3s ease;
}

footer ul a:hover {
    opacity: 1;
    letter-spacing: 0.2rem;
    transform: translateY(-3px);
    background-color: var(--color-bg);
    border-radius: 5px;
}

footer ul li {
    padding: .4rem 0;
}

.footer__copyright {
    text-align: center;
    padding: 1.5rem 0;
    border-top: 2px solid var(--color-bg); 
    margin-top: 4rem; 
}

/*==============================================================
  SEARCH BAR 
  Styles for the search bar component 
=============================================================*/
.search__bar {
    margin-top: 7rem;
}

.search__bar-container {
    position: relative;
    width: 30rem;
    background: var(--color-gray-900);
    display: flex;
    align-items: center;
    justify-content: space-between;
    overflow: hidden;
    padding: 0.6rem 1rem;
    border-radius: var(--card-border-radius-2);
    color: var(--color-gray-300);
}

.search__bar-container > div {
    width: 100%;
    display: flex;
    align-items: center;
}

.search__bar input {
    background: transparent;
    margin-left: 0.7rem;
    padding: 0.5rem 0;
    width: 100%;
    color: var(--color-white);
}

.search__bar input::placeholder {
    color: var(--color-gray-300);
}

/*==============================================================
  BUTTONS 
  Styles for various types of buttons 
=============================================================*/
.btn {
    display: inline-block;
    width: fit-content;
    padding: .6rem 1.2rem;
    background-color: var(--color-primary);
    border-radius: var(--card-border-radius-2);
    cursor: pointer;
    transition: var(--transition);
    color: var(--color-white);
}

.btn.sm {
    padding: .3rem 0.7rem;
    font-size: 0.8rem; 
}

.btn.danger {
    background: var(--color-red);
}

.btn:hover {
    background: var(--color-white);
    color: var(--color-bg);
}

/*==============================================================
  SINGLE POST PAGE 
  Styles for displaying a single blog post
=============================================================*/
.singlepost {
    margin: 6rem 0 2rem;
}

.singlepost__container {
    width: var(--form-width);
    background: var(--color-gray-900);
    padding: 1rem 2rem 3rem;
}

.singlepost__container p {
    margin-top: 1rem;
    line-height: 1.7;
}

.singlepost__thubmnail {
    margin: 1.5rem 0 1rem; 
}

/*==============================================================
  CATEGORY PAGE 
  Styles for the category listing page 
=============================================================*/
.category__title {
    height: 15rem;
    margin-top: 4.5rem;
    background: var(--color-gray-900);
    display: grid;
    place-items: center;
}

/*==============================================================
  EMPTY PAGE 
  Styles for pages with no content 
=============================================================*/
.empty__page {
    height: 70vh;
    text-align: center;
    display: grid;
    place-content: center;
}

/*==============================================================
  FORMS 
  Styles for signup and other form related elements 
=============================================================*/
.form__section {
    display: grid;
    place-items: center;
    height: 100vh;
}

.form__section-container {
    width: var(--form-width);
}

.alert__message {
    padding: 0.8rem 1.4rem;
    margin-bottom: 1rem;
    border-radius: var(--card-border-radius-2);
}

.alert__message.error {
    background: var(--color-red-light);
    color: var(--color-red);
    /* text-align: center; */
}
.alert__message.success {
    background: var(--color-green-light);
    color: var(--color-green);
}

.form-signup {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form__control {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

input, textarea, select {
    padding: .8rem 1.4rem;
    background-color: var(--color-gray-900);
    border-radius: var(--card-border-radius-2);
    resize: none;
    color: var(--color-white);
}

.form__section small {
    margin-top: 1rem;
    display: block;
}

.form__section small a {
    color: var(--color-primary);
}

.form__control.inline {
    flex-direction: row;
    align-items: center;
}

.custom-upload-button {
    display: inline-block;
    width: fit-content;
    padding: .6rem 1.2rem;
    background-color: var(--color-primary);
    border-radius: var(--card-border-radius-2);
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease;
    color: var(--color-white);
}

.custom-upload-button:hover {
    background-color: #0056b3; /* Example darker shade of primary color on hover */
}

/*==============================================================
  DASHBOARD
  Styles for the user dashboard layout and elements 
=============================================================*/
.dashboard {
    margin-top: 6rem;
}

.dashboard__container {
    display: grid;
    grid-template-columns: 14rem auto;
    gap: 1rem;
    background: var(--color-gray-900);
    padding: 2rem;
    margin-bottom: 5rem;
}

.dashboard aside a {
    background-color: var(--color-primary);
    display: flex;
    gap: 1rem;
    align-items: center;
    padding: 1.6rem;
}

.dashboard aside ul li:not(:last-child) a {
    border-bottom: 1px solid var(--color-gray-900);
}

.dashboard aside a:hover {
    background: var(--color-gray-700);
}

.dashboard aside a.active {
    background-color: var(--color-gray-900);
}

.dashboard main {
    margin-left: 1.5rem;
}

.dashboard main h2 {
    margin: 0 0 2rem 0;
    line-height: 1;
}

.dashboard main table {
    width: 100%;
    text-align: left;
}

.dashboard main table th {
    background: var(--color-gray-700);
    padding: .8rem;
    color: var(--color-white);
}

.dashboard main table td {
    padding: .8rem;
    border-bottom: 1px solid var(--color-gray-200);
}

.dashboard main table tr:hover td {
    background: var(--color-bg);
    color: var(--color-white);
    cursor: default;
    transition: var(--transition);
}

.sidebar__toggle {
    display: none;
}

/*==============================================================
  MEDIA QUERIES
  These styles adjust the layout and styles for different 
  screen sizes and devices.
=============================================================*/

/* Styles for screens smaller than 1024px (Tablets and smaller laptops) */
@media screen and (max-width: 1024px) {
    .container {
        width: var(--container-width-md);
    }

    h2 {
        font-size: 1.6rem;
    }

    h3 {
        font-size: 1.2rem;
    }

    h5 {
        font-size: .8rem;
    }

    /* Navigation bar adjustments */
    nav button {
        display: inline-block;
        font-size: 1.5rem;
        background: transparent;
        color: var(--color-white);
        cursor: pointer;
    }

    nav button#close__nav-btn {
        display: none;
    }

    .nav__container {
        position: relative;
    }

    .nav__items {
        position: absolute;
        flex-direction: column;
        top: 100%;
        right: 0;
        align-items: flex-start;
        justify-content: center;
        gap: 0;
        display: none;
    }

    /* Animation for dropdown menu items */
    @keyframes animatedropdown {
        0% {
            transform: rotateX(90deg);
        }
        100% {
            transform: rotateX(0deg);
            opacity: 1;
        }
    }

    /* Styling for each dropdown item */
    .nav__items li {
        width: 100%;
        height: 4.35rem;
        display: flex;
        align-items: center;
        box-shadow: -2rem 3rem 7rem rgba(0, 0, 0, 0.7);
        border-top: 1px solid var(--color-bg);
        animation: animatedropdown 1s 0s ease forwards;
        opacity: 0;
        transform-origin: top;
    }

    /* Animation delay for each item */
    .nav__items li:nth-child(2) {
        animation-delay: 200ms;
    }
    .nav__items li:nth-child(3) {
        animation-delay: 400ms;
    }
    .nav__items li:nth-child(4) {
        animation-delay: 600ms;
    }
    .nav__items li:nth-child(5) {
        animation-delay: 800ms;
    }

    .nav__items li a {
        border-radius: 0;
        width: 100%;
        height: 100%;
        background: var(--color-gray-900);
        padding: 0 2rem;
        display: flex;
        align-items: center;
    }

    .nav__profile {
        background: var(--color-gray-900);
    }

    .nav__profile ul {
        top: 100%;
        width: 100%;
    }

    .nav__profile .avatar {
        margin-left: 2rem;
        border: 0;
    }

    /* Other adjustments for smaller screens */
    .featured__container {
        gap: 3rem;
    }

    .post__container {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }

    .footer__container {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }

    .search__bar-container {
        width: 60%;
    }

    .form__section-container {
        padding: 3rem;
    }

    .dashboard__container {
        grid-template-columns: 4.3rem auto;
        padding: 0;
        background: transparent;
    }

    .dashboard aside h5 {
        display: none;
    }

    .dashboard main table thead {
        display: none;
    }

    .dashboard main table tr {
        display: flex;
        flex-direction: column;
    }

    .dashboard main table tr:nth-child(even) {
        background: var(--color-gray-900);
    }

    .dashboard main table tr:hover td {
        background: transparent;
    }
}

/* Styles for screens smaller than 600px (Mobile phones) */
@media screen and (max-width: 600px) {
    section {
        margin-top: 2rem;
    }

    h1 {
        font-size: 2rem;
    }

    .featured {
        margin-top: 6rem;
    }

    .featured__container {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .post__container {
        grid-template-columns: 1fr;
    }

    .category__buttons-container {
        grid-template-columns: 1fr 1fr;
    }

    .footer__container {
        grid-template-columns: 1fr;
        text-align: center;
        align-items: center;
        gap: 2rem;
    }

    .search__bar-container {
        width: var(--container-width-md);
    }

    .singlepost__container {
        background-color: transparent;
        padding: 0;
    }

    .form__section-container {
        padding: 0;
    }

    .dashboard {
        margin-top: 5rem;
    }

    .dashboard__container {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .dashboard main {
        margin: 0;
    }

    .dashboard main h2 {
        margin-top: 1rem;
    }

    /* Adjustments for sidebar on mobile */
    .dashboard aside {
        position: fixed;
        box-shadow: 2rem 0 4rem rgba(0, 0, 0, 0.4);
        left: -100%;
        height: 100vh;
        transition: var(--transition);
        background: var(--color-primary);
    }

    .dashboard .sidebar__toggle {
        display: inline-block;
        background: var(--color-primary-variant);
        color: var(--color-white);
        position: fixed;
        right: 0;
        bottom: 4rem;
        z-index: 1;
        width: 2.5rem;
        height: 2.5rem;
        border-radius: 50% 0 0 50%;
        font-size: 1.3rem;
        cursor: pointer;
        box-shadow: -1rem 0 2rem rgba(0, 0, 0, 0.4);
    }

    .dashboard aside a h5 {
        display: inline-block;
    }

    #hide__sidebar-btn {
        display: none;
    }
}