/* ========================================
1.  VARIABLES & RESET
======================================== */
:root {
    /* Χρώματα εμπνευσμένα από το λογότυπο "B" και το τυπωμένο μενού */
    --primary-color: #118a7e;    /* Το πετρόλ/τιρκουάζ του γράμματος B */
    --accent-color: #b34a41;     /* Το κεραμιδί/κόκκινο του μενού και του ήλιου */
    --bg-color: #fcfbf8;         /* Ζεστό, σπασμένο λευκό/κρεμ φόντο */
    --surface-color: #ffffff;    /* Καθαρό λευκό για τα πλαίσια */
    --text-main: #333333;        /* Σκούρο γκρι για τα κείμενα (πιο μαλακό από μαύρο) */
    --text-muted: #666666;
    --nav-height: 65px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
}

/* Γραμματοσειρά Serif για τίτλους (πιο κομψή) */
h1, h2, h3, .logo-title {
    font-family: 'Playfair Display', serif;
}

/* ========================================
2. HEADER & LOGO
======================================== */
.main-header {
    background: var(--surface-color);
    padding: 25px 20px 15px;
    text-align: center;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.logo-container {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.logo-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
    line-height: 1.1;
    letter-spacing: 1px;
}

.logo-subtitle {
    font-size: 0.85rem;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-top: 8px;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
}

/* ========================================
3. STICKY NAVIGATION (HORIZONTAL SCROLL)
======================================== */
.category-nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(252, 251, 248, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
}

.nav-scroll-container {
    display: flex;
    overflow-x: auto;
    white-space: nowrap;
    padding: 12px 15px;
    gap: 12px;
    scrollbar-width: none;
}

.nav-scroll-container::-webkit-scrollbar {
    display: none;
}

.nav-item {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 20px;
    border-radius: 30px;
    background: #f0ede6;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}

.nav-item.active {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 2px 8px rgba(17, 138, 126, 0.3);
}

/* ========================================
4. MENU SECTIONS & ITEMS
======================================== */
.menu-container {
    padding: 25px 15px;
    max-width: 700px;
    margin: 0 auto;
}

.menu-section {
    margin-bottom: 45px;
    scroll-margin-top: 85px;
}

.section-title {
    color: var(--accent-color);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-align: left;
    border-bottom: 2px solid rgba(179, 74, 65, 0.1);
    padding-bottom: 10px;
}

.menu-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    background: var(--surface-color);
    padding: 18px;
    margin-bottom: 15px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.02);
    border: 1px solid rgba(0,0,0,0.02);
    transition: transform 0.2s ease;
}

.menu-item:active {
    transform: scale(0.98);
}

.item-info {
    flex: 1;
    padding-right: 20px;
}

.item-name {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 6px;
    line-height: 1.3;
}

.item-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.item-extra {
    display: block;
    margin-top: 6px;
    font-size: 0.8rem;
    color: var(--accent-color);
    font-style: italic;
}

.item-price {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 1.1rem;
    white-space: nowrap;
    background: rgba(17, 138, 126, 0.08);
    padding: 6px 12px;
    border-radius: 8px;
}

/* ========================================
5. BACK TO TOP BUTTON
======================================== */
.back-to-top {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 50px;
    height: 50px;
    background-color: var(--accent-color);
    color: #ffffff;
    border: none;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(179, 74, 65, 0.3);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
}

.back-to-top svg { width: 22px; height: 22px; }
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:active { background-color: #8f3a32; transform: scale(0.95); }

/* ========================================
6. FOOTER
======================================== */
.menu-footer {
    text-align: center;
    padding: 30px 20px 40px;
    color: var(--text-muted);
    font-size: 0.85rem;
}