/* =========================================================
   FONTS
========================================================= */
@font-face {
  font-family: Milonga;
  src: url('/Fonts/Serif/Milonga-Regular.ttf');
}
@font-face { font-family: Antiqua; src: url('Fonts/Serif/ModernAntiqua-Regular.ttf'); }
@font-face { font-family: Labrada; src: url('Fonts/Serif/Labrada-Medium.ttf'); }
@font-face { font-family: Caudex;  src: url('Fonts/Serif/Caudex-Regular.ttf'); }

:root {
  --bg-color: #f4f1ec;
  --text-color: #2e2a27;
  --accent-color: #533839;
  --tag: #6b625a;
  --border: #9B8571;
  --opacity: 0.15;
  --b-b-c: rgba(0,0,0,0.1);
  --b-f-c: rgba(0,0,0,0.1);
  --nav-text: #6B625A;
  --nav-bg: rgba(107,98,90,0.2);
  --nav-t-hov: #533839;
  --nav-hov: rgba(83,56,57,0.2);
  --head-c: rgba(0,0,0,0.2);
  --head-a: #9E998F;
  --main-tab: rgba(230,223,211,0.6);
  --tab-bg: #E6DFD3;
  --tab-bord: #9B8571;
  --tab-a: #BAB0A1;
}

.dark {
  --bg-color: #0E0C0C;
  --text-color: #DEDBD8;
  --accent-color: #000;
  --tag: #7A6857;
  --border: #705F50;
  --opacity: 0.1;
  --b-b-c: rgba(0,0,0,0.4);
  --b-f-c: rgba(0,0,0,0.4);
  --nav-text: #CAC4BF;
  --nav-bg: rgba(202,196,191,0.2);
  --nav-t-hov: #AA8384;
  --nav-hov: rgba(170,131,132,0.2);
  --nav-filter: hue-rotate(360deg) brightness(0.1) saturate(1.9);
  --head-c: rgba(255,255,255,0.2);
  --head-a: #6C6965;
  --main-tab: rgba(57,55,52,0.6);
  --tab-bg: #151411;
  --tab-bord: #BAB0A1;
  --tab-a: #6E6A63;
}

/* ================================
   BASE
================================ */

body {
  margin: 0;
  font-family: "Caudex", serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  position: relative;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* texture overlay */
body::after {
    content: "";
    position: fixed;
    inset: 0;
    background: url('BKR/wall.jpg') repeat;
    background-size: 400px;
    opacity: var(--opacity);
    pointer-events: none;
    z-index: -1;
}

.theme-toggle {
  background: none;
  border: 1px solid var(--accent-color);
  color: var(--text-color);
  font-size: 1.1rem;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.theme-toggle:hover {
  background: rgba(0,0,0,0.05);
}

/* ================================
   HEADER
================================ */

.site-header {
    padding: 4rem 2rem 2rem;
    text-align: center;
    border-bottom: 1px solid;
    border-bottom-color: var(--b-b-c);
}

.site-header h1 {
    font-size: 2.8rem;
    margin: 0;
    letter-spacing: 0.04em;
}

.tagline {
    margin-top: 0.5rem;
    font-size: 1.1rem;
    color: var(--tag);
}
/* =========================================================
   NAVBAR
========================================================= */
.navbar {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    height: 60px;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-sizing: border-box;
    z-index: 1000;
    overflow: hidden;
}

.navbar::before {
    content: "";
    position: absolute;
    inset: 0;
    background: url('BKR/Texturelabs_Paper_324XL.jpg') center repeat;
    background-size: 700px;
    filter: var(--nav-filter);
    opacity: 0.4;
    z-index: -1;
}

.navbar a,
.songButton {
    color: var(--nav-text);
    font-size: 1.1rem;
    font-weight: bold;
    text-decoration: underline;
    padding: 4px 8px;
    background-color: var(--nav-bg);
    border-radius: 6px;
    transition: background-color 0.3s, color 0.3s;
    cursor: pointer;
    user-select: none;
}

.navbar a:hover,
.songButton:hover {
    color: var(--nav-t-hov);
    background-color: var(--nav-hov);h
}

.nav-links,
.nav-music {
    display: flex;
    align-items: center;
    gap: 0.75rem; /* controlled spacing between bubbles */
}


.nav-music audio {
    width: 300px;
    height: 30px;
}

.nav-music audio::-webkit-media-controls-panel {
    background: url('BKR/pattern_20441.png') center repeat;
    background-size: 200px;
    border-radius: 6px;
}

.nav-music audio::-webkit-media-controls-play-button,
.nav-music audio::-webkit-media-controls-volume-slider {
    filter: brightness(0) saturate(100%) invert(24%) sepia(15%)
            saturate(565%) hue-rotate(322deg)
            brightness(92%) contrast(88%);
}
/* ===== Main Tabs Buttons ===== */
.main-tabs-buttons {
    display: flex;
    border-bottom: 2px solid var(--b-b-c);
    margin-bottom: 1rem;
}

.main-tab-btn {
    flex: 1;
    padding: 0.8rem 1.2rem;
    font-family: "Caudex", serif;
    font-size: 1.2rem;
    cursor: pointer;
    background: none;
    border: none;
    border-bottom: 3px solid;
    border-bottom-color: var(--head-c);
    color: var(--text-color);
    transition: all 0.2s;
}

.main-tab-btn:hover {
    font-style: italic;
}

.main-tab-btn.active {
    font-weight: bold;
    background-color: var(--main-tab);
    border-bottom-color: var(--head-a);
}

/* ===== Tab Pages ===== */
.main-tab-page {
    display: none;
}

.main-tab-page.active {
    display: block;
}

/* Optional: give content left padding */
.main-tab-page .content,
.main-tab-page section {
    padding-left: 1rem;
    padding-right: 1rem;
}
/* ==========================
   TABS
========================== */

.tabs-container {
    margin-top: 2rem;
    margin-left: 20px;
    margin-right: 20px;
    border: 1px solid var(--b-b-c);
    border-radius: 6px;
    overflow: hidden;
    background-color: var(--tab-bg);
}

.tabs-buttons {
    display: flex;
    border-bottom: 1px solid var(--b-b-c);
    background-color: var(--nav-bg);
}

.tab-btn {
    flex: 1;
    padding: 0.75rem 1rem;
    background: none;
    border: none;
    cursor: pointer;
    font-family: "Caudex", serif;
    font-size: 1.1rem;
    color: var(--nav-text);
    transition: background 0.2s, color 0.2s;
}

.tab-btn:hover {
    background-color: var(--nav-hov);
    color: var(--nav-t-hov);
  font-style: italic;
}

.tab-btn.active {
    border-bottom: 3px solid var(--tab-bord);
    background-color: var(--tab-a);
    color: var(--nav-text);
    font-weight: bold;
}
.tab-btn.active:hover {
    background-color: var(--nav-hov);
    color: var(--nav-t-hov);
}

.tabs-content {
    padding: 1.5rem 2rem;
}

.tab {
    display: none;
}

.tab.active {
    display: block;
}

/* ================================
   MAIN CONTENT
================================ */

.content {
    max-width: 900px;
    margin-left: 6rem;
    margin-right: auto;
    padding: 3rem 2rem;
}


section {
    margin-bottom: 3rem;
}

section h2 {
    font-size: 1.6rem;
    margin-bottom: 0.75rem;
    border-left: 4px solid;
    border-left-color: var(--border);
    padding-left: 0.75rem;
}

section p {
    margin: 0.5rem 0 0;
}

section ul {
    margin: 0.75rem 0 0 1.25rem;
}

section li {
    margin-bottom: 0.4rem;
}

/* ================================
   FOOTER
================================ */

.site-footer {
    text-align: center;
    padding: 2rem;
    font-size: 0.9rem;
    color: #7a7168;
    border-top: 1px solid;
    border-color: var(--b-f-c);
}