//
// Component: Button
//
// ========================================================================


// Variables
// ========================================================================

@button-large-font-size:                        18px;

@button-default-background:                     transparent;
@button-default-color:                          @global-emphasis-color;
@button-default-hover-background:               transparent;
@button-default-hover-color:                    @global-inverse-color;
@button-default-active-background:              transparent;
@button-default-active-color:                   fade(@button-default-hover-color, 80%);

@button-primary-background:                     @global-primary-background;
@button-primary-hover-background:               darken(@button-primary-background, 4%);
@button-primary-hover-color:                    fade(@button-primary-color, 85%);
@button-primary-active-background:              darken(@button-primary-background, 8%);
@button-primary-active-color:                   fade(@button-primary-color, 60%);

@button-secondary-background:                   @global-secondary-background;
@button-secondary-color:                        @global-inverse-color;
@button-secondary-hover-background:             lighten(@button-secondary-background, 8%);
@button-secondary-hover-color:                  fade(@button-secondary-color, 85%);
@button-secondary-active-background:            darken(@button-secondary-background, 8%);
@button-secondary-active-color:                 fade(@button-secondary-color, 60%);

@button-danger-background:                      @global-danger-background;
@button-danger-color:                           @global-inverse-color;
@button-danger-hover-background:                lighten(@button-danger-background, 4%);
@button-danger-hover-color:                     fade(@button-danger-color, 85%);
@button-danger-active-background:               darken(@button-danger-background, 4%);
@button-danger-active-color:                    @button-danger-color;

//
// Master
//

@button-font-weight:                            400;

@button-transition-duration:                    0.25s;

@button-background-size:                        ~'calc(200% + 1px)';
@button-background-position-x:                  ~'calc(100% + 1px)';
@button-hover-background-position-x:            0;

@button-primary-box-shadow:                     1px 3px 15px fade(@button-primary-background, 20%);
@button-primary-hover-box-shadow:               3px 5px 25px fade(@button-primary-background, 23%);

@button-secondary-box-shadow:                   1px 3px 15px fade(@button-secondary-background, 15%);
@button-secondary-hover-box-shadow:             3px 5px 25px fade(@button-secondary-background, 18%);

@internal-button-default-gradient:              linear-gradient(90deg, @global-secondary-background 50%, @button-default-background 50%);
@internal-button-default-hover-gradient:        linear-gradient(90deg, @global-secondary-background 50%, @button-default-hover-background 50%);
@internal-button-default-active-gradient:       linear-gradient(90deg, lighten(@global-secondary-background, 8%) 0%, darken(@global-secondary-background, 12%) 100%);

@internal-button-primary-gradient:              linear-gradient(90deg, @button-primary-background 0%, spin(@button-primary-background, 15%) 50%, @button-primary-background 100%);
@internal-button-primary-hover-gradient:        @internal-button-primary-gradient;
@internal-button-primary-active-gradient:       @internal-button-primary-gradient;

@internal-button-secondary-gradient:            linear-gradient(90deg, @button-secondary-background 0%, lighten(@button-secondary-background, 12%) 50%, @button-secondary-background 100%);
@internal-button-secondary-hover-gradient:      @internal-button-secondary-gradient;
@internal-button-secondary-active-gradient:     @internal-button-secondary-gradient;

@button-border-width:                           @global-border-width;

@button-default-border:                         @global-secondary-background;
@button-default-hover-border:                   @button-default-border;
@button-default-active-border:                  @button-default-border;

@button-disabled-border:                        @global-border;


// Component
// ========================================================================

.hook-button() {}

.hook-button-hover() {}

.hook-button-focus() {}

.hook-button-active() {}


// Style modifiers
// ========================================================================

.hook-button-default() {}

.hook-button-default-hover() {}

.hook-button-default-active() {}

//
// Primary
//

.hook-button-primary() {}

.hook-button-primary-hover() {}

.hook-button-primary-active() {}

//
// Secondary
//

.hook-button-secondary() {}

.hook-button-secondary-hover() {}

.hook-button-secondary-active() {}

//
// Danger
//

.hook-button-danger() {}

.hook-button-danger-hover() {}

.hook-button-danger-active() {}


// Disabled
// ========================================================================

.hook-button-disabled() {}


// Size modifiers
// ========================================================================

.hook-button-small() {}

.hook-button-large() {}


// Text modifier
// ========================================================================

.hook-button-text() {}

.hook-button-text-hover() {}

.hook-button-text-disabled() {}


// Link modifier
// ========================================================================

.hook-button-link() {}


// Miscellaneous
// ========================================================================

.hook-button-misc() {}


// Inverse
// ========================================================================

@inverse-button-default-background:                     transparent;
@inverse-button-default-color:                          @inverse-global-emphasis-color;
@inverse-button-default-hover-background:               @global-inverse-color;
@inverse-button-default-hover-color:                    @inverse-global-inverse-color;
@inverse-button-default-active-background:              fade(@global-inverse-color, 80%);
@inverse-button-default-active-color:                   @inverse-global-inverse-color;

@inverse-button-primary-background:                     fade(@global-inverse-color, 90%);
@inverse-button-primary-color:                          @inverse-global-inverse-color;
@inverse-button-primary-hover-background:               @global-inverse-color;
@inverse-button-primary-hover-color:                    @inverse-global-inverse-color;
@inverse-button-primary-active-background:              @global-inverse-color;
@inverse-button-primary-active-color:                   fade(@inverse-global-inverse-color, 70%);

@inverse-button-secondary-background:                   darken(@global-secondary-background, 5%);
@inverse-button-secondary-color:                        @global-inverse-color;
@inverse-button-secondary-hover-background:             darken(@inverse-button-secondary-background, 8%);
@inverse-button-secondary-hover-color:                  fade(@inverse-button-secondary-color, 85%);
@inverse-button-secondary-active-background:            darken(@inverse-button-secondary-background, 3%);
@inverse-button-secondary-active-color:                 fade(@inverse-global-color, 70%);

@inverse-button-text-color:                             @inverse-global-emphasis-color;
@inverse-button-text-hover-color:                       @inverse-global-color;

//
// Master
//

@inverse-button-default-border:                         @inverse-global-color;
@inverse-button-default-hover-border:                   @inverse-button-default-hover-background;
@inverse-button-default-active-border:                  @inverse-button-default-active-background;

.hook-inverse-button-default() {}
.hook-inverse-button-default-hover() {}
.hook-inverse-button-default-active() {}

.hook-inverse-button-primary() {}
.hook-inverse-button-primary-hover() {}
.hook-inverse-button-primary-active() {}

.hook-inverse-button-secondary() {}
.hook-inverse-button-secondary-hover() {}
.hook-inverse-button-secondary-active() {}

.hook-inverse-button-text() {}
.hook-inverse-button-text-hover() {}
.hook-inverse-button-text-disabled() {}

.hook-inverse-button-link() {}