/* General Setup */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Roboto', sans-serif;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: #f9f9f9;
    color: #0f0f0f;
    padding-top: 60px; /* Header space */
}

/* YouTube Header */
.yt-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 56px;
    background-color: #ffffff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 16px;
    box-shadow: 0 1px 5px rgba(0,0,0,0.1);
    z-index: 100;
}

.brand-logo {
    font-size: 20px;
    font-weight: 700;
    color: #ff0000; /* YouTube Red color */
    letter-spacing: -0.5px;
}

.three-dots-btn {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #606060;
    padding: 4px 8px;
    border-radius: 50%;
}

.three-dots-btn:active {
    background-color: #e5e5e5;
}

/* Posts Layout (YouTube Video Feed Style) */
.posts-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 12px 0;
}

.post-card {
    background-color: #ffffff;
    margin-bottom: 24px;
    border-bottom: 1px solid #e5e5e5;
    display: flex;
    flex-direction: column;
}

/* Full Width Image like YT Thumbnail */
.post-images-grid img {
    width: 100%;
    height: auto;
    max-height: 340px;
    object-fit: cover;
    display: block;
}

/* Post Content Styling */
.post-text-area {
    padding: 12px 16px;
}

.post-title {
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    color: #0f0f0f;
    margin-bottom: 6px;
}

.post-location {
    font-size: 12px;
    color: #606060;
    margin-bottom: 8px;
    font-weight: 500;
}

.post-content {
    font-size: 14px;
    color: #0f0f0f;
    line-height: 1.5;
    margin-bottom: 10px;
}

.post-meta {
    padding: 0 16px 12px 16px;
    font-size: 12px;
    color: #606060;
    display: flex;
    gap: 12px;
}

/* Auto Highlight Box */
.auto-highlight {
    background-color: #f2f2f2;
    padding: 10px;
    border-radius: 8px;
    font-size: 13px;
    margin: 10px 0;
    border-left: 4px solid #ff0000;
}

/* Modern Smooth PopUp (Modal) */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: flex-end; /* Opens from bottom on mobile like YT */
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-box {
    background-color: #ffffff;
    width: 100%;
    max-width: 600px;
    border-top-left-radius: 16px;
    border-top-right-radius: 16px;
    padding: 20px;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal-box {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #e5e5e5;
    padding-bottom: 12px;
    margin-bottom: 16px;
}

.modal-header h3 {
    font-size: 18px;
    color: #0f0f0f;
}

.close-modal-btn {
    background: none;
    border: none;
    font-size: 28px;
    color: #606060;
    cursor: pointer;
}

/* Accordion Accordance inside Modal */
details {
    background: #f9f9f9;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 10px;
    border: 1px solid #e5e5e5;
}

summary {
    font-weight: 500;
    cursor: pointer;
    outline: none;
    user-select: none;
}

details p {
    margin-top: 10px;
    font-size: 14px;
    color: #606060;
    line-height: 1.5;
    }