/* ==========================================================================
   BUTTON STYLES - Consistent, clean design
   Following comp_disco_v2.css patterns
   ========================================================================== */

/* =========================
     Base Button Styles
=========================== */
.btn,
.btn-primary,
.btn-cta-primary {
    padding: 10px 25px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    /* transition: all 0.15s ease; */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    background: var(--blue_1);
    color: var(--white_1);
    /* min-height: 44px; */
    line-height: 1.5;
}

.btn:hover:not(:disabled),
.btn-primary:hover:not(:disabled),
.btn-cta-primary:hover:not(:disabled) {
    background: var(--blue-hover);
    color: var(--white_1);
    text-decoration: none;
}

.btn:disabled,
.btn-primary:disabled,
.btn-cta-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* =========================
     Secondary Buttons
=========================== */
.btn-secondary,
.btn-outline,
.btn-cta-secondary {
    padding: 10px 25px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    /* transition: all 0.15s ease; */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    background: var(--fg_color);
    color: var(--blue_1);
    border: 1px solid var(--line_color);
    /* min-height: 44px; */
    line-height: 1.5;
}

.btn-secondary:hover:not(:disabled),
.btn-outline:hover:not(:disabled),
.btn-cta-secondary:hover:not(:disabled) {
    background: var(--blue_1);
    color: var(--white_1);
    border-color: var(--blue_1);
    text-decoration: none;
}

.btn-secondary:disabled,
.btn-outline:disabled,
.btn-cta-secondary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* =========================
     Button Sizes
=========================== */
.btn-small {
    padding: 8px 16px;
    font-size: 13px;
    min-height: 36px;
}

.btn-large,
.btn-primary-large,
.btn-secondary-large,
.btn-cta-primary-large,
.btn-cta-secondary-large {
    padding: 12px 24px;
    font-size: 16px;
    min-height: 52px;
}

/* Apply primary styles to large primary buttons */
.btn-primary-large,
.btn-cta-primary-large {
    background: var(--blue_1);
    color: var(--white_1);
    border: none;
}

.btn-primary-large:hover:not(:disabled),
.btn-cta-primary-large:hover:not(:disabled) {
    background: var(--blue-hover);
    color: var(--white_1);
}

/* Apply secondary styles to large secondary buttons */
.btn-secondary-large,
.btn-cta-secondary-large {
    background: var(--fg_color);
    color: var(--blue_1);
    border: 1px solid var(--line_color);
}

.btn-secondary-large:hover:not(:disabled),
.btn-cta-secondary-large:hover:not(:disabled) {
    background: var(--blue_1);
    color: var(--white_1);
    border-color: var(--blue_1);
}

/* Dark mode: secondary buttons get white text */
.dark-mode .btn-secondary,
.dark-mode .btn-outline,
.dark-mode .btn-cta-secondary,
.dark-mode .btn-secondary-large,
.dark-mode .btn-cta-secondary-large {
    color: var(--white_1);
}

/* =========================
     Link/Text Buttons
=========================== */
.btn-link,
.btn-text,
.btn-demo,
.btn-back {
    background: none;
    border: none;
    padding: 8px 12px;
    cursor: pointer;
    color: var(--blue_1);
    font-size: 14px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border-radius: 4px;
    /* transition: all 0.15s ease; */
    text-decoration: none;
}

.btn-link:hover,
.btn-text:hover,
.btn-demo:hover,
.btn-back:hover {
    background: var(--hover-bg, rgba(0, 0, 0, 0.05));
    color: var(--blue_1);
    text-decoration: none;
}

.dark-mode .btn-link:hover,
.dark-mode .btn-text:hover,
.dark-mode .btn-demo:hover,
.dark-mode .btn-back:hover {
    background: var(--hover-bg, rgba(255, 255, 255, 0.05));
}

/* =========================
     Icon Buttons
=========================== */
.btn-icon {
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    border-radius: 4px;
    color: var(--text-secondary, #666);
    /* transition: all 0.15s ease; */
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover:not(:disabled) {
    background: var(--hover-bg, rgba(0, 0, 0, 0.05));
    color: var(--text-primary, #1a1a1a);
}

.btn-icon:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.dark-mode .btn-icon:hover:not(:disabled) {
    background: var(--hover-bg, rgba(255, 255, 255, 0.05));
}

/* =========================
     Success/Danger Variants
=========================== */
.btn-success,
.btn-action {
    background: var(--green_1);
    color: var(--white_1);
    border: none;
}

.btn-success:hover:not(:disabled),
.btn-action:hover:not(:disabled) {
    background: var(--green_2);
    color: var(--white_1);
}

.btn-danger {
    background: var(--red_1);
    color: var(--white_1);
    border: none;
}

.btn-danger:hover:not(:disabled) {
    background: var(--red_2);
    color: var(--white_1);
}

/* =========================
     Button Width Variants
=========================== */
.btn-full {
    width: 100%;
}

/* =========================
     Button State Variants
=========================== */
.btn-current {
    cursor: default;
    pointer-events: none;
}

/* =========================
     Button Spacing Utilities
=========================== */
.btn-mt {
    margin-top: var(--spacing-medium);
}

/* =========================
     Button Special Variants
=========================== */
.btn-light {
    background: white;
    color: #333;
    border: none;
}

.btn-light:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.9);
    color: #333;
}

.btn-outline-light {
    background: transparent;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline-light:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-color: rgba(255, 255, 255, 0.5);
}

/* =========================
     Focus States
=========================== */
.btn:focus,
.btn-primary:focus,
.btn-secondary:focus,
.btn-cta-primary:focus,
.btn-cta-secondary:focus,
.btn-link:focus,
.btn-text:focus {
    outline: none;
}

.btn:focus-visible,
.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.btn-cta-primary:focus-visible,
.btn-cta-secondary:focus-visible,
.btn-link:focus-visible,
.btn-text:focus-visible {
    outline: 2px solid var(--blue_1);
    outline-offset: 2px;
}

/* =========================
     Button Groups
=========================== */
.btn-group {
    display: inline-flex;
    border-radius: 4px;
    overflow: hidden;
}

.btn-group .btn {
    border-radius: 0;
    margin-left: -1px;
}

.btn-group .btn:first-child {
    border-radius: 4px 0 0 4px;
    margin-left: 0;
}

.btn-group .btn:last-child {
    border-radius: 0 4px 4px 0;
}

.btn-group .btn:only-child {
    border-radius: 4px;
}

/* =========================
     Floating Action Button
=========================== */
.btn-fab {
    position: fixed;
    bottom: var(--spacing-large, 24px);
    right: var(--spacing-large, 24px);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    padding: 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
}

.btn-fab:hover {
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

/* =========================
     Special Purpose Buttons
=========================== */
.btn-add-dataset {
    padding: 12px;
    background: var(--blue_1);
    color: var(--white_1);
    border: none;
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    /* transition: all 0.15s ease; */
}

.btn-add-dataset:hover {
    background: var(--blue-hover);
}

/* =========================
     Accessibility
=========================== */
@media (prefers-reduced-motion: reduce) {
    .btn,
    .btn-primary,
    .btn-secondary,
    .btn-cta-primary,
    .btn-cta-secondary,
    .btn-link,
    .btn-text,
    .btn-demo,
    .btn-back,
    .btn-icon {
        /* transition: none; */
    }
}

/* Touch devices */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .btn-primary,
    .btn-secondary,
    .btn-cta-primary,
    .btn-cta-secondary {
        min-height: 44px;
        min-width: 44px;
    }

    .btn-small {
        min-height: 40px;
        min-width: 40px;
    }
}

/* =========================
     Responsive Adjustments
=========================== */
@media (max-width: 767px) {
    .btn-large,
    .btn-primary-large,
    .btn-secondary-large,
    .btn-cta-primary-large,
    .btn-cta-secondary-large {
        padding: 10px 20px;
        font-size: 14px;
    }

    .btn-group {
        flex-direction: column;
        width: 100%;
    }

    .btn-group .btn {
        border-radius: 0;
        margin-left: 0;
        margin-top: -1px;
    }

    .btn-group .btn:first-child {
        border-radius: 4px 4px 0 0;
        margin-top: 0;
    }

    .btn-group .btn:last-child {
        border-radius: 0 0 4px 4px;
    }

    .btn-fab {
        bottom: var(--spacing-medium, 16px);
        right: var(--spacing-medium, 16px);
    }
}