/* Generell layout og typografi */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f0f2f5;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: flex-start;
    padding: 20px;
    gap: 20px;
    margin: 0;
    height: 100vh;
    position: relative;
    /*overflow: hidden; /* Hindrer scrollbar hvis ikke nødvendig */
    overflow-y: auto; /* Tillat scrolling hvis innstillingene blir lange */
}

#info-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    display: none; /* Sett til flex for å vise */
    justify-content: center;
    pointer-events: none; /* Lar bakgrunnsinnhold ikke fanges når skjult */
    z-index: 950;
    padding-top: 20px;
}

#info-overlay-box {
    background: #ffffff;
    border: 2px solid #333;
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
    padding: 20px;
    width: var(--overlay-width, 1200px);
    min-height: var(--overlay-min-height, 800px);
    border-radius: 10px;
    pointer-events: auto; /* Aktiver interaksjon når den er synlig */
}

/* Venstre side: Canvas container */
#canvas-container {
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    border-radius: 8px;
    overflow: hidden;
    background: white;
    /* Standard størrelse 800x800, kan endres via zoom-kontroller */
    width: 800px; 
    height: 800px;
    flex-shrink: 0;
}

#left-column {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 600px;
}

#right-column {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 385px;
}

/* Høyre side: Kontrollpanel */
#control-panel {
    width: 385px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    position: relative;
}

/* Tannhjul ikon for innstillinger
#settings-icon {
    position: absolute;
    top: -10px;
    left: -40px; /* Plassert til venstre for panelet som på bildet
    font-size: 32px;
    cursor: pointer;
    color: #cc0000;
    transition: transform 0.3s;
}*/

#settings-icon:hover {
    transform: rotate(90deg);
}

/* Styling for kortene (Bokser) */
.card {
    border-radius: 15px;
    padding: 15px;
    border: 2px solid #333;
    box-shadow: 2px 2px 5px rgba(0,0,0,0.1);
    text-align: center;
}

/* Overskrifter i kortene */
.card h2 {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 1.2rem;
    color: #000;
}

/* Grå boks: Stigningstall */
.card-gray {
    background-color: #f0f0f0; /* Lys grå */
    display: flex;
    flex-direction: column;
}

.slope-grid {
    display: grid;
    grid-template-columns: 1fr 1px 1fr; /* Venstre, linje, Høyre */
    align-items: center;
    gap: 10px;
}

.vertical-divider {
    width: 2px;
    height: 100%;
    background-color: #000;
}

/* Input felt styling */
input[type="text"], input[type="number"] {
    font-size: 1.2rem;
    text-align: center;
    border: 2px solid #555;
    border-radius: 8px;
    width: 80%;
    padding: 5px;
    outline: none;
}

/* Stigningstall input containere */
.decimal-input-group {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    font-size: 2rem;
    font-family: 'Times New Roman', serif;
    font-style: italic;
}

.fraction-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    font-size: 2rem;
    font-family: 'Times New Roman', serif;
    font-style: italic;
}

.fraction-inputs {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

/* Brøkstrek */
.fraction-line {
    width: 100%;
    height: 3px;
    background-color: black;
    margin: 2px 0;
}

/* Fargede inputs for brøk */
#input-numerator {
    background-color: #ff6b6b; /* Rød */
    border: 2px solid #333;
    color: black;
    font-weight: bold;
    width: 60px;
}
#input-denominator {
    background-color: #5daadd; /* Blå */
    border: 2px solid #333;
    color: black;
    font-weight: bold;
    width: 60px;
}

/* Lyseblå boks: Konstantledd */
.card-blue {
    background-color: #dbf3fc;
}

/* Grønn boks: Funksjonsuttrykk */
.card-green {
    background-color: #c1eabb;
}

.calc-box {
    width: 42px; /* Litt bredere for å gi plass til tall */
    height: 42px;
    border-radius: 8px;
    border: 2px solid #333;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: bold;
}

#func-display {
    font-family: 'Times New Roman', serif;
    font-style: italic;
    font-size: 1.8rem;
    background-color: rgba(255,255,255,0.5);
    border: 1px solid #777;
    border-radius: 10px;
    padding: 15px;
    min-height: 100px;
    display: flex;
    flex-direction: column; /* Beholder denne for å stable ligning 1, skillelinje og ligning 2 */
    align-items: center;
    justify-content: center;
    gap: 5px;
}

/* Legg til denne nye regelen: */
.equation-row {
    display: flex;
    flex-direction: row; /* Tvinger f(x), brøk og x til å stå på linje */
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

/* Oppdater modal-stilen slik at den ikke "flyter" lenger */
.modal {
    display: none; /* Skjult til man trykker på tannhjulet */
    background-color: white;
    border-radius: 8px;
    width: 100%; /* Tar hele bredden til left-column (600px) */
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    padding: 15px;
    box-sizing: border-box;
}

/* Settings Modal (Overlay) */


#settings-container {
    width: 600px; /* Samme bredde som canvas */
    position: relative;
    margin-top: 10px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

#settings-icon {
    font-size: 24px;
    cursor: pointer;
    padding: 10px;
    display: inline-block;
}

/* Tannhjulet som man trykker på */
#settings-gear {
    font-size: 24px;
    cursor: pointer;
    user-select: none;
}

#settings-box {
    display: none; /* Skjult som standard */
    padding: 20px;
    border-top: 1px solid #ddd;
    /* Fjern 'position: absolute' hvis den var der, 
    slik at den dytter innholdet nedover når den åpnes */
}

/* Gjør body mer fleksibel slik at den takler høyden */
/*body {
/    overflow-y: auto; /* Tillat scrolling hvis innstillingene blir lange 
} */


.checkbox-row {
    margin-bottom: 10px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.9rem;
}

.checkbox-row input {
    transform: scale(1.5);
    margin-top: 2px;
}

.func-divider {
    width: 100%;
    display: flex;
    align-items: center;
    text-align: center;
    margin: 10px 0;
    font-size: 0.9rem;
    color: #444;
}

.func-divider::before, .func-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid #777;
}

.func-divider span {
    padding: 0 10px;
}

.input-highlight {
    align-items: center;
    /*border: 3px solid #000 !important;
    box-shadow: 0 0 10px rgba(0,0,0,0.2);
    transition: all 0.2s ease;
    transform: scale(1.05);*/
}

/*/#input-numerator { background-color: #ffcccc; } /* Lys rød */
/*/#input-denominator { background-color: #ccccff; } /* Lys blå */

#btn-toggle-calc:hover {
    background-color: #ddd !important;
    border-color: #999 !important;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

#btn-toggle-calc:active {
    background-color: #ccc !important;
    transform: translateY(1px);
}

        /* Skjul ting som ikke skal vises i starten */
.hidden { display: none !important; }

/* Enkel styling for meny-knapper */
.menu-btn {
    width: 100%;
    padding: 15px;
    margin-bottom: 10px;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: bold;
}
.menu-btn:hover { background: #2980b9; }

#admin-panel {
    background-color: #ffeaa7;
    border: 2px dashed #fab1a0;
    padding: 10px;
    margin-top: 20px;
    border-radius: 8px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

#admin-panel h3 {
    grid-column: 1 / -1;
    margin: 0 0 5px 0;
}

#admin-panel button {
    width: 100%;
}

.nav-btn {
    flex: 1;
    padding: 12px;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    border-radius: 8px;
    background: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    font-weight: bold;
    transition: all 0.2s;
}

.nav-btn:hover {
    background: #e8f4f8;
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0,0,0,0.15);
}

.hidden { display: none !important; }