@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800&family=Quicksand:wght@500;700&display=swap');

:root {
    --primary: #FF8BA7;
    --secondary: #33272A;
    --bg-color: #FAEEE7;
    --accent-blue: #C3F0CA;
    --accent-yellow: #FFFFC7;
    --white: #FFFFFF;
}

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

body {
    font-family: 'Nunito', sans-serif;
    background-color: var(--bg-color);
    color: var(--secondary);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Navigácia */
nav {
    padding: 20px 5%; display: flex; justify-content: space-between; align-items: center;
    position: absolute; top: 0; left: 0; right: 0; z-index: 100;
}
.logo { font-family: 'Quicksand', sans-serif; font-size: 28px; font-weight: 700; color: var(--primary); text-decoration: none; display: flex; align-items: center; gap: 10px; }
.nav-links { display: flex; gap: 20px; align-items: center; }
.nav-links a { text-decoration: none; color: var(--secondary); font-weight: 600; font-size: 16px; transition: 0.3s; }
.nav-links a:hover { color: var(--primary); }
.btn {
    background-color: var(--primary); color: var(--white); padding: 12px 28px; border-radius: 50px; font-weight: 700;
    box-shadow: 0 10px 20px rgba(255, 139, 167, 0.3); transition: all 0.3s; display: inline-block; text-decoration: none; border: none; cursor: pointer;
}
.btn:hover { transform: translateY(-5px) scale(1.05); box-shadow: 0 15px 25px rgba(255, 139, 167, 0.4); }
.btn-outline { background-color: transparent; color: var(--primary); border: 2px solid var(--primary); box-shadow: none; }
.btn-outline:hover { background-color: var(--primary); color: var(--white); }

/* Admin & Klient Layout */
.app-layout { display: flex; min-height: 100vh; }
.sidebar { width: 250px; background: var(--white); padding: 20px; border-right: 1px solid rgba(0,0,0,0.05); }
.sidebar .logo { margin-bottom: 40px; }
.sidebar-menu { list-style: none; }
.sidebar-menu li { margin-bottom: 10px; }
.sidebar-menu a {
    display: flex; align-items: center; gap: 10px; padding: 12px 15px; border-radius: 12px; color: var(--secondary); text-decoration: none; font-weight: 600; transition: 0.2s;
}
.sidebar-menu a:hover, .sidebar-menu a.active { background: var(--accent-yellow); color: var(--primary); }
/* Sidebar Logo */
.sidebar-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    width: 100%;
    text-decoration: none;
    margin-bottom: 20px;
}
.sidebar-logo span {
    font-family: 'Quicksand', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}
.sidebar-logo img {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 10px 20px rgba(255, 139, 167, 0.2);
    border: 3px solid #fff;
}

.main-content { flex: 1; padding: 40px; background: var(--bg-color); }
.page-header { margin-bottom: 30px; }
.page-header h1 { font-family: 'Quicksand', sans-serif; color: var(--secondary); }

/* Karty (Moduly) */
.card { background: var(--white); padding: 30px; border-radius: 20px; box-shadow: 0 5px 15px rgba(0,0,0,0.02); margin-bottom: 20px; }
.card-title { font-family: 'Quicksand', sans-serif; font-size: 1.5rem; margin-bottom: 20px; }

/* Formuláre */
.form-group { margin-bottom: 20px; }
.form-label { display: block; margin-bottom: 8px; font-weight: 600; }
.form-control { width: 100%; padding: 12px 15px; border-radius: 12px; border: 1px solid #ddd; outline: none; font-family: 'Nunito', sans-serif; }
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(255, 139, 167, 0.2); }

/* Hravý Kalendár */
.calendar-section { padding: 80px 5%; background: var(--white); text-align: center; position: relative; z-index: 2; }
.calendar-section h2 { font-family: 'Quicksand', sans-serif; font-size: 2.5rem; margin-bottom: 20px; }
.calendar-wrapper { max-width: 800px; margin: 0 auto; background: var(--bg-color); padding: 40px; border-radius: 40px; box-shadow: 0 15px 30px rgba(0,0,0,0.03); }
.calendar-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; }
.calendar-header h3 { font-family: 'Quicksand', sans-serif; font-size: 1.8rem; color: var(--primary); }
.calendar-header button { background: var(--white); border: none; width: 45px; height: 45px; border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; color: var(--primary); font-size: 20px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); transition: 0.3s; }
.calendar-header button:hover { transform: scale(1.1); background: var(--primary); color: var(--white); }
.calendar-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 15px; }
.cal-day-name { font-weight: 800; color: #a09396; text-transform: uppercase; font-size: 0.9rem; margin-bottom: 10px; }
.cal-day { position: relative; aspect-ratio: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; border-radius: 50%; font-weight: 700; font-size: 1.2rem; cursor: pointer; transition: 0.3s; background: var(--white); color: var(--secondary); box-shadow: 0 5px 10px rgba(0,0,0,0.02); }
.cal-day:hover { transform: translateY(-3px) scale(1.05); box-shadow: 0 10px 20px rgba(0,0,0,0.05); z-index: 5; }
.cal-day.empty { background: transparent; box-shadow: none; cursor: default; }
.cal-day.empty:hover { transform: none; }
.cal-day.status-free { background: var(--accent-blue); color: #2d6a4f; border: 2px solid #a3d9b1; }
.cal-day.status-booked { background: var(--primary); color: var(--white); }
.cal-day.status-partial { background: var(--accent-yellow); color: #b45309; }

/* Hravá bublinka (Tooltip) */
.cal-tooltip {
    position: absolute; bottom: 120%; left: 50%; transform: translateX(-50%) translateY(10px);
    background: var(--white); color: var(--secondary); padding: 12px 18px; border-radius: 20px;
    font-size: 0.9rem; font-weight: 600; white-space: nowrap; text-align: center;
    opacity: 0; visibility: hidden; transition: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1); z-index: 10; pointer-events: none; border: 2px solid var(--primary);
}
.cal-tooltip::after {
    content: ''; position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
    border-width: 8px; border-style: solid; border-color: var(--primary) transparent transparent transparent;
}
.cal-day:hover .cal-tooltip { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.cal-tooltip strong { color: var(--primary); display: block; margin-bottom: 3px; font-family: 'Quicksand', sans-serif; font-size: 1.1rem; }

.cal-legend { display: flex; justify-content: center; gap: 20px; margin-top: 30px; font-size: 0.9rem; font-weight: 600; }
.cal-legend-item { display: flex; align-items: center; gap: 8px; }
.cal-legend-dot { width: 15px; height: 15px; border-radius: 50%; }

/* Mobile Menu Toggle */
.mobile-menu-btn {
    display: none;
    background: transparent;
    border: none;
    font-size: 32px;
    color: var(--primary);
    cursor: pointer;
    padding: 5px;
}

/* Mobile Responsiveness */
@media (max-width: 992px) {
    .mobile-menu-btn {
        display: block;
    }
    nav {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: 15px 5%;
        background: var(--bg-color);
    }
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-color);
        padding: 20px;
        box-shadow: 0 20px 30px rgba(0,0,0,0.1);
        text-align: center;
        z-index: 99;
        gap: 15px;
        border-bottom-left-radius: 30px;
        border-bottom-right-radius: 30px;
    }
    .nav-links.active {
        display: flex;
    }
    .nav-links a, .nav-links .btn, .nav-links .btn-outline {
        width: 100%;
        margin: 0 !important;
        padding: 12px;
        box-sizing: border-box;
    }
    
    .app-layout {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid rgba(0,0,0,0.05);
        padding: 20px;
    }
    .sidebar-header {
        align-items: center;
    }
    .sidebar-logo {
        flex-direction: row;
        width: auto;
        margin-bottom: 0;
        gap: 10px;
    }
    .sidebar-logo img {
        width: 45px;
        height: 45px;
        box-shadow: none;
        border: none;
    }
    .sidebar-logo span {
        font-size: 1.2rem;
    }
    .sidebar-menu {
        display: none;
        flex-direction: column;
        width: 100%;
        margin-top: 20px;
    }
    .sidebar-menu.active {
        display: flex;
    }
    .sidebar-menu li {
        margin-bottom: 10px;
        width: 100%;
    }
    .sidebar-menu a {
        justify-content: center;
        padding: 12px 15px;
        font-size: 1rem;
    }
    .main-content {
        padding: 20px 15px;
    }
    
    .calendar-grid {
        gap: 5px;
    }
    .cal-day {
        font-size: 0.9rem;
    }
    .cal-legend {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    
    /* FullCalendar Mobile Fixes */
    .fc .fc-toolbar {
        flex-direction: column !important;
        gap: 15px;
        align-items: center !important;
    }
    .fc .fc-toolbar-chunk {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 5px;
    }
    .fc .fc-toolbar-title {
        font-size: 1.3rem !important;
        text-align: center;
    }
    .fc .fc-button {
        padding: 6px 12px !important;
        font-size: 0.85rem !important;
    }
    .fc .fc-view-harness {
        min-height: 400px;
    }
}

/* Modal Styling */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5px);
}
.modal-content {
    background: var(--white);
    padding: 30px;
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    position: relative;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    max-height: 90vh;
    overflow-y: auto;
}

/* Responsive Helper Classes */
.responsive-grid {
    display: grid;
    gap: 30px;
    align-items: start;
}
.grid-1-2 { grid-template-columns: 1fr 2fr; }
.grid-1-3 { grid-template-columns: 1fr 3fr; }
.grid-3-1 { grid-template-columns: 3fr 1fr; }
.grid-1-1 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

@media (max-width: 992px) {
    .responsive-grid {
        grid-template-columns: 1fr !important;
    }
}