/* ============================================
   VARIABLES - Estética DaniServer Principal
   ============================================ */
:root {
    --color-bg-primary: #fcfcf9;
    --color-bg-secondary: #fffffe;
    --color-text-primary: #13343b;
    --color-text-secondary: #626c71;
    --color-accent: #21808d;
    --color-accent-hover: #1d7480;
    --color-border: rgba(94, 82, 64, 0.2);
    --color-card-shadow: rgba(0, 0, 0, 0.04);
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-bg-primary: #1f2121;
        --color-bg-secondary: #262828;
        --color-text-primary: #f5f5f5;
        --color-text-secondary: rgba(167, 169, 169, 0.7);
        --color-accent: #32b8c6;
        --color-accent-hover: #2da6b2;
        --color-border: rgba(119, 124, 124, 0.3);
        --color-card-shadow: rgba(0, 0, 0, 0.15);
    }
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    min-height: 100vh;
    padding: 20px;
}

.container { max-width: 1200px; margin: 0 auto; }

/* ============================================
   HEADER
   ============================================ */
header {
    text-align: center;
    padding: 40px 20px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 40px;
}

h1 { font-size: 2.5rem; font-weight: 600; margin-bottom: 10px; letter-spacing: -0.02em; }
.subtitle { color: var(--color-text-secondary); font-size: 1.1rem; }

/* ============================================
   USER BAR
   ============================================ */
.user-bar {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 15px;
    padding: 10px 0;
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.user-bar-name {
    color: var(--color-accent);
    font-weight: 600;
}

.user-bar-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: 4px 10px;
    border-radius: 6px;
    transition: 0.2s;
    font-size: 0.85rem;
}

.user-bar-link:hover {
    background: var(--color-accent);
    color: white;
}

/* ============================================
   BREADCRUMB
   ============================================ */
.breadcrumb {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-top: 20px;
    flex-wrap: wrap;
    font-size: 0.95rem;
}

.breadcrumb a { color: var(--color-accent); text-decoration: none; cursor: pointer; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb-separator { color: var(--color-text-secondary); }

/* ============================================
   SECTION TITLES
   ============================================ */
.section-title {
    font-size: 1.3rem;
    font-weight: bold;
    margin-bottom: 18px;
    margin-top: 32px;
    color: var(--color-accent);
}

.section-separator {
    margin: 30px 0;
    border: none;
    border-top: 1px solid var(--color-border);
    width: 100%;
}

/* ============================================
   SHORTCUT CARDS
   ============================================ */
.shortcut-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin-bottom: 36px;
    justify-content: flex-start;
}

.shortcut-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 2px 8px var(--color-card-shadow);
    width: 290px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-decoration: none;
    color: inherit;
    transition: 0.2s;
}

.shortcut-card:hover {
    box-shadow: 0 8px 16px var(--color-card-shadow);
    border-color: var(--color-accent);
}

.shortcut-icon { font-size: 28px; margin-bottom: 6px; }
.shortcut-title { font-size: 1.15rem; font-weight: bold; margin-bottom: 2px; }
.shortcut-desc { color: var(--color-text-secondary); font-size: 0.98rem; }

/* ============================================
   SERVICE GRID & CARDS
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.service-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 24px;
    color: inherit;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px var(--color-card-shadow);
    cursor: pointer;
    display: block;
    position: relative;
    text-decoration: none;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px var(--color-card-shadow);
    border-color: var(--color-accent);
}

.service-card.file { padding: 20px; padding-bottom: 50px; }

.service-icon {
    width: 48px;
    height: 48px;
    background: var(--color-accent);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 24px;
}

.service-name {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-text-primary);
    word-break: break-word;
}

.service-description {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

.download-btn {
    position: absolute;
    bottom: 12px;
    right: 12px;
    width: 40px;
    height: 40px;
    background: var(--color-accent);
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    text-decoration: none;
}

.download-btn:hover {
    background: var(--color-accent-hover);
    transform: scale(1.1);
}

/* ============================================
   LOADING & ERROR
   ============================================ */
.loading {
    text-align: center;
    padding: 40px;
    grid-column: 1 / -1;
    color: var(--color-text-secondary);
}

.loading-spinner {
    display: inline-block;
    width: 30px;
    height: 30px;
    border: 3px solid var(--color-border);
    border-top: 3px solid var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 10px;
}

@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

.error-message {
    grid-column: 1 / -1;
    background: #ffebee;
    color: #c62828;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
}

@media (prefers-color-scheme: dark) {
    .error-message {
        background: rgba(198, 40, 40, 0.15);
        color: #ef5350;
    }
}

/* ============================================
   CONTENT AREA
   ============================================ */
.content-area {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 40px;
    box-shadow: 0 2px 8px var(--color-card-shadow);
}

.content-area h2 { color: var(--color-accent); margin-bottom: 15px; }
.content-area h3 { color: var(--color-text-primary); margin: 20px 0 10px; }
.content-area p { line-height: 1.7; margin: 10px 0; }
.content-area ul, .content-area ol { margin: 10px 0 10px 25px; }
.content-area li { margin: 5px 0; line-height: 1.5; }

.content-area img {
    max-width: 360px;
    width: 100%;
    border-radius: 12px;
    margin: 15px 0;
    box-shadow: 0 4px 12px var(--color-card-shadow);
}

.content-area video, .content-area iframe {
    max-width: 100%;
    border-radius: 12px;
    margin: 15px 0;
}

/* ============================================
   NAV TABS
   ============================================ */
.nav-tabs {
    display: flex;
    gap: 5px;
    margin-bottom: 25px;
    border-bottom: 2px solid var(--color-border);
    flex-wrap: wrap;
}

.nav-tabs a {
    padding: 10px 20px;
    color: var(--color-text-secondary);
    text-decoration: none;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    font-weight: 500;
    transition: 0.2s;
    border-radius: 6px 6px 0 0;
}

.nav-tabs a:hover {
    color: var(--color-accent);
    background: var(--color-bg-secondary);
}

.nav-tabs a.active {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
    font-weight: 600;
}

/* ============================================
   FOOTER
   ============================================ */
footer {
    text-align: center;
    padding: 40px 20px;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-in { animation: fadeIn 0.3s ease-in; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    .services-grid { grid-template-columns: 1fr; }
    .shortcut-card { width: 100%; }
    .user-bar { flex-wrap: wrap; justify-content: center; }
}