:root {
    --bg-color: #000000;
    --card-bg: rgba(22, 24, 28, 0.7);
    --text-primary: #e7e9ea;
    --text-secondary: #71767b;
    --accent: #1d9bf0;
    --accent-hover: #1a8cd8;
    --danger: #f43f5e;
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.8);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
    font-family: 'Inter', -apple-system, system-ui, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.5;
    overflow-x: hidden;
    /* Evitar zoom en iOS */
    touch-action: manipulation;
}

#app {
    max-width: 600px;
    margin: 0 auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    border-left: 1px solid var(--glass-border);
    border-right: 1px solid var(--glass-border);
}

/* Glassmorphism Classes */
.glass {
    background: var(--card-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--glass-border);
}

header {
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    height: 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1.5rem;
}

.logo {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #1d9bf0 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.desktop-nav {
    display: flex;
    gap: 1rem;
}

@media (max-width: 600px) {
    .desktop-nav {
        display: none;
    }

    #app {
        border: none;
    }
}

.nav-item {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-item.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

/* Mobile Nav */
.mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 70px;
    justify-content: space-around;
    align-items: center;
    z-index: 1000;
    border-top: 1px solid var(--glass-border);
    border-bottom: none;
}

@media (max-width: 600px) {
    .mobile-nav {
        display: flex;
    }

    main {
        padding-bottom: 80px;
    }
}

.mobile-nav-item {
    font-size: 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: 0.2s ease;
}

.mobile-nav-item.active {
    color: var(--accent);
    background: rgba(29, 155, 240, 0.1);
}

/* Animations */
.fade-in {
    animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Spinner */
.loader-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 1rem;
    color: var(--text-secondary);
}

.spinner {
    width: 30px;
    height: 30px;
    border: 3px solid rgba(29, 155, 240, 0.1);
    border-top: 3px solid var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Base Styles for Forms/Buttons */
button,
.btn {
    cursor: pointer;
    border: none;
    border-radius: 20px;
    font-weight: 700;
    transition: 0.2s ease;
}

.btn-primary {
    background-color: var(--accent);
    color: white;
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
}

.btn-primary:active {
    transform: scale(0.95);
    background-color: var(--accent-hover);
}

/* Post Cards */
.posts-list {
    display: flex;
    flex-direction: column;
}

.post-card {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    gap: 1rem;
    transition: background 0.2s ease;
    cursor: pointer;
}

.post-card:hover {
    background: rgba(255, 255, 255, 0.02);
}

.avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    color: white;
}

.post-main {
    flex: 1;
}

.post-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}

.post-author {
    font-weight: 700;
    color: var(--text-primary);
}

.post-id-tag {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.post-time {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.post-content {
    font-size: 1rem;
    color: var(--text-primary);
    word-break: break-word;
    margin-bottom: 0.75rem;
}

.post-footer {
    display: flex;
    gap: 2rem;
    color: var(--text-secondary);
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.9rem;
    background: transparent;
    color: var(--text-secondary);
    padding: 5px 10px;
    border-radius: 20px;
}

.action-btn:hover {
    background: rgba(29, 155, 240, 0.1);
    color: var(--accent);
}

.action-btn.delete:hover {
    background: rgba(244, 63, 94, 0.1);
    color: var(--danger);
}