calculator7.less

/*
 * Calculator7: Calculator clone for iOS7 iPad by HTML5
 * author: ICHIKAWA, Yuji
 * Copyright (C) 2013 ICHIKAWA, Yuji (New 3 Rs)
 */

@import 'lib/prefixer';

@active-border: 2px;

/*
 * generic
 */

.clearfix:after {
    content: "";
    display: block;
    clear: both;
}

/* Keep consistent line spacing with sup and sub
   http://www.adobe.com/cfusion/communityengine/index.cfm?event=showdetails&productId=1&postId=5341 */
sup, sub {
    height: 0;
    line-height: 1;
    vertical-align: baseline;
    _vertical-align: bottom;
    position: relative;
}

sup {
    bottom: 1ex;
}

sub {
    top: 0.5ex;
}


/*
 * main
 */

* {
    margin: 0;
    padding: 0;
    -webkit-border-horizontal-spacing: 0;
    -webkit-border-vertical-spacing: 0;
}

table {
    border-spacing: 0; /* firefox's default is 2px. */
}

html, body {
    height: 100%;
}

body {
    font-family: 'HelveticaNeue-UltraLight';
    background-color: black;
    .user-select(none);
}

#display {
	background-color: black;
    position: relative; /* in order to make height effective to children */
    color: white;
    text-align: right;
}

#view {
    .user-select(auto);
}

#angle {
    position: absolute;
    font-size: 14px;
    bottom: 2px;
    left: 15px;
}

#keypad-dimension {
    position: absolute;
    right: 0px;
    bottom: 0px;
}

#keypad {
    width: 100%;
    height: 100%;
    table-layout: fixed;
}

.key {
    color: black;
    text-align: center;
	border-top: solid 1px black;
	border-left: solid 1px black;
    position: relative;
}

.key.number, #period {
    background-color: rgb(208,209,212);
}

.key.number:active, #period:active {
    background-color: rgb(190,191,193);
}

.key.function {
    background-color: rgb(196,197,200);
}

.key.function:active {
    background-color: rgb(181,181,183);
}

.key.operator, #equal_key {
    color: white;
    background-color: rgb(243,130,40);
}

.key.operator:active {
    background-color: rgb(220,125,37);
}

.key .active {
    position: absolute;
    left: 0px;
    top: 0px;
    right: 0px;
    bottom: 0px;
    background-color: transparent;
    border: solid @active-border black;
}

@media (orientation: portrait) {
    #keypad-dimension {
        width: 250%;
    }
}

@media (orientation: landscape) {
    #keypad-dimension {
        width: 100%;
    }
}

@media (orientation: landscape) { /* 480 * 300 for iPhone */
    @display-height: 60px;

    #display {
        height: @display-height;
        padding-right: 7px;
    }

    #view {
        font-size: 50px;
        line-height: 58px;
    }

    #keypad-dimension {
        top: @display-height;
    }
    
    .key {
        line-height: 26px;
        font-size: 15px;
    }

    .key.small {
        font-size: 14px;
    }
}

@media (orientation: portrait) { /* 320 * 460 for iPhone */
    @display-height: 88px;

    #display {
        height: @display-height;
    }

    #view {
        font-size: 78px;
        line-height: 88px; /* equal to height */
    }

    #keypad-dimension {
        top: @display-height;
    }
    
    .key {
        line-height: 39px;
        font-size: 21px;
    }

    .key.small {
        font-size: 17px;
    }
}

@media (min-width: 768px) and (orientation: portrait) { /* iPad Portrait 768x1004 */
    /* 2.4 times */
    @display-height: (88px * 2.4);

    #display {
        height: @display-height;
    }

    #view {
        font-size: (78px * 2.4);
        line-height: (88px * 2.4);
        padding-right: 14px;
    }
    
    #angle {
        font-size: (14px * 2.4);
        bottom: (2px * 2.4);
        left: (15px * 2.4);
    }
    
    #keypad-dimension {
        top: (88px * 2.4);
    }
    
    .key {
        line-height: 95px;
        font-size: 55px;
    }

    .key.small {
        font-size: 44px;
    }
}

@media (min-width: 768px) and (orientation: landscape) { /* iPad Landscape 1024x748 */
    /* 2.13 times */
    @display-height: (60px * 2.13);
    
    #display {
        height: @display-height;
    }

    #view {
        font-size: (50px * 2.13);
        line-height: (58px * 2.13);
        padding-right: 5px;
    }

    #angle {
        font-size: (14px * 2.13);
        bottom: (2px * 2.13);
        left: (15px * 2.13);
    }

    #keypad-dimension {
        top: @display-height;
    }
    
    .key {
        line-height: 60px;
        font-size: 38px;
    }

    .key.small {
        font-size: 35px;
    }
}