/*
 * ============================================================================
 * Kasi Mattress Admin
 * ----------------------------------------------------------------------------
 * File: assets/css/main.css
 * Module: Admin Main Content
 * Version: 1.0.0
 * ============================================================================
 *
 * PURPOSE
 *
 * Styles the main content area of the administrator application.
 *
 * RESPONSIBILITIES
 *
 *     - Main content container
 *     - Page headers
 *     - Page actions
 *     - Content cards
 *     - Card headers
 *     - Buttons
 *     - Empty states
 *     - Alerts
 *     - Basic responsive main layout
 *
 * DOES NOT STYLE
 *
 *     - Topbar
 *     - Sidebar
 *     - Login page
 *     - Individual module-specific components
 *
 * Module-specific styles belong in files such as:
 *
 *     assets/css/administrators.css
 *
 * ============================================================================
 */


/* ==========================================================================
   MAIN CONTENT
   ========================================================================== */

.km-admin-main {

    min-width: 0;

    flex: 1;

    padding: 34px;

    overflow-x: hidden;
}


/* ==========================================================================
   MAIN CONTENT CONTAINER
   ========================================================================== */

.km-main-container {

    width: 100%;

    max-width: 1440px;

    margin: 0 auto;
}


/* ==========================================================================
   PAGE HEADER
   ========================================================================== */

.km-page-header {

    display: flex;

    align-items: flex-end;
    justify-content: space-between;

    gap: 30px;

    margin-bottom: 30px;
}


.km-page-header-content {

    min-width: 0;

    flex: 1;
}


.km-page-eyebrow {

    display: block;

    margin-bottom: 7px;

    color: var(--km-gold, #F4A300);

    font-size: 10px;
    font-weight: 700;

    line-height: 1.3;

    letter-spacing: 0.12em;

    text-transform: uppercase;
}


.km-page-header h1 {

    margin: 0;

    color: var(--km-heading, #172231);

    font-family: "Poppins", sans-serif;

    font-size: 29px;
    font-weight: 600;

    line-height: 1.2;

    letter-spacing: -0.02em;
}


.km-page-header p {

    max-width: 720px;

    margin: 8px 0 0;

    color: var(--km-muted, #6B7280);

    font-size: 13px;

    line-height: 1.6;
}


/* ==========================================================================
   PAGE HEADER ACTION
   ========================================================================== */

.km-page-header-action {

    flex: 0 0 auto;

    display: flex;

    align-items: center;

    gap: 10px;
}


/* ==========================================================================
   GENERIC BUTTON
   ========================================================================== */

.km-button {

    min-height: 40px;

    display: inline-flex;

    align-items: center;
    justify-content: center;

    gap: 7px;

    padding: 0 16px;

    border: 1px solid transparent;

    border-radius: 7px;

    font: inherit;

    font-size: 11px;
    font-weight: 600;

    line-height: 1.3;

    text-align: center;

    text-decoration: none;

    white-space: nowrap;

    cursor: pointer;

    transition:
        background-color 150ms ease,
        border-color 150ms ease,
        color 150ms ease,
        box-shadow 150ms ease,
        transform 150ms ease;
}


.km-button:hover,
.km-button:focus,
.km-button:active {

    text-decoration: none;
}


.km-button:focus-visible {

    outline: 3px solid rgba(15, 76, 129, 0.14);

    outline-offset: 2px;
}


/* ==========================================================================
   PRIMARY BUTTON
   ========================================================================== */

.km-button-primary {

    border-color: var(--km-navy, #0F4C81);

    background: var(--km-navy, #0F4C81);

    color: var(--km-white, #FFFFFF);
}


.km-button-primary:hover {

    border-color: var(--km-navy-dark, #0A365B);

    background: var(--km-navy-dark, #0A365B);

    color: var(--km-white, #FFFFFF);

    text-decoration: none;
}


/* ==========================================================================
   SECONDARY BUTTON
   ========================================================================== */

.km-button-secondary {

    border-color: var(--km-border, #E4E9EE);

    background: var(--km-white, #FFFFFF);

    color: var(--km-heading, #172231);
}


.km-button-secondary:hover {

    border-color: #CBD5DF;

    background: #F8FAFC;

    color: var(--km-heading, #172231);
}


/* ==========================================================================
   DANGER BUTTON
   ========================================================================== */

.km-button-danger {

    border-color: #DC2626;

    background: #DC2626;

    color: #FFFFFF;
}


.km-button-danger:hover {

    border-color: #B91C1C;

    background: #B91C1C;

    color: #FFFFFF;
}


/* ==========================================================================
   LINK BUTTON
   ========================================================================== */

.km-button-link {

    min-height: auto;

    padding: 0;

    border: 0;

    background: transparent;

    color: var(--km-navy, #0F4C81);
}


.km-button-link:hover {

    color: var(--km-navy-dark, #0A365B);

    text-decoration: none;
}


/* ==========================================================================
   GENERIC CARD
   ========================================================================== */

.km-admin-card {

    width: 100%;

    min-width: 0;

    border: 1px solid var(--km-border, #E4E9EE);

    border-radius: var(--km-radius, 12px);

    background: var(--km-card-bg, #FFFFFF);

    overflow: hidden;
}


/* ==========================================================================
   CARD HEADER
   ========================================================================== */

.km-admin-card-header {

    display: flex;

    align-items: flex-start;
    justify-content: space-between;

    gap: 20px;

    padding: 20px;

    border-bottom: 1px solid var(--km-border, #E4E9EE);
}


.km-admin-card-header-content {

    min-width: 0;

    flex: 1;
}


.km-admin-card-header h2 {

    margin: 0;

    color: var(--km-heading, #172231);

    font-family: "Poppins", sans-serif;

    font-size: 15px;
    font-weight: 600;

    line-height: 1.4;
}


.km-admin-card-header p {

    margin: 5px 0 0;

    color: var(--km-muted, #6B7280);

    font-size: 11px;

    line-height: 1.5;
}


/* ==========================================================================
   CARD BODY
   ========================================================================== */

.km-admin-card-body {

    padding: 24px;
}


/* ==========================================================================
   CARD FOOTER
   ========================================================================== */

.km-admin-card-footer {

    display: flex;

    align-items: center;
    justify-content: space-between;

    gap: 20px;

    padding: 16px 20px;

    border-top: 1px solid var(--km-border, #E4E9EE);

    background: #FBFCFD;
}


/* ==========================================================================
   CONTENT GRID
   ========================================================================== */

.km-content-grid {

    display: grid;

    grid-template-columns:
        repeat(2, minmax(0, 1fr));

    gap: 20px;
}


.km-content-grid-3 {

    display: grid;

    grid-template-columns:
        repeat(3, minmax(0, 1fr));

    gap: 20px;
}


.km-content-grid-full {

    grid-column: 1 / -1;
}


/* ==========================================================================
   ALERTS
   ========================================================================== */

.km-alert {

    display: flex;

    align-items: flex-start;

    gap: 12px;

    margin-bottom: 20px;

    padding: 14px 16px;

    border: 1px solid transparent;

    border-radius: 8px;

    font-size: 13px;

    line-height: 1.55;
}


.km-alert:last-child {

    margin-bottom: 0;
}


.km-alert strong {

    font-weight: 700;
}


.km-alert-error {

    border-color: #FECACA;

    background: #FEF2F2;

    color: #991B1B;
}


.km-alert-warning {

    border-color: #FDE68A;

    background: #FFFBEB;

    color: #92400E;
}


.km-alert-success {

    border-color: #BBF7D0;

    background: #F0FDF4;

    color: #166534;
}


.km-alert-info {

    border-color: #BFDBFE;

    background: #EFF6FF;

    color: #1E40AF;
}


/* ==========================================================================
   EMPTY STATE
   ========================================================================== */

.km-admin-empty {

    min-height: 220px;

    display: flex;

    align-items: center;
    justify-content: center;

    flex-direction: column;

    gap: 8px;

    padding: 40px 24px;

    text-align: center;
}


.km-admin-empty h2,
.km-admin-empty h3 {

    margin: 0;

    color: var(--km-heading, #172231);

    font-family: "Poppins", sans-serif;

    font-size: 17px;
    font-weight: 600;

    line-height: 1.4;
}


.km-admin-empty p {

    max-width: 520px;

    margin: 0;

    color: var(--km-muted, #6B7280);

    font-size: 12px;

    line-height: 1.6;
}


/* ==========================================================================
   MODULE PAGE
   ========================================================================== */

.km-module-page {

    width: 100%;

    min-width: 0;
}


.km-module-header {

    display: flex;

    align-items: flex-end;
    justify-content: space-between;

    gap: 30px;

    margin-bottom: 30px;
}


.km-module-header-content {

    min-width: 0;

    flex: 1;
}


.km-module-header h1 {

    margin: 0;

    color: var(--km-heading, #172231);

    font-family: "Poppins", sans-serif;

    font-size: 29px;
    font-weight: 600;

    line-height: 1.2;

    letter-spacing: -0.02em;
}


.km-module-header p {

    max-width: 680px;

    margin: 8px 0 0;

    color: var(--km-muted, #6B7280);

    font-size: 13px;

    line-height: 1.65;
}


/* ==========================================================================
   MODULE PLACEHOLDER
   ========================================================================== */

.km-module-placeholder {

    min-height: 220px;

    display: flex;

    align-items: center;
    justify-content: center;

    flex-direction: column;

    gap: 9px;

    padding: 40px;

    border: 1px dashed #CBD5DF;

    border-radius: var(--km-radius, 12px);

    background: rgba(255, 255, 255, 0.65);

    text-align: center;
}


.km-module-placeholder strong {

    color: var(--km-heading, #172231);

    font-family: "Poppins", sans-serif;

    font-size: 16px;
    font-weight: 600;
}


.km-module-placeholder span {

    max-width: 520px;

    color: var(--km-muted, #6B7280);

    font-size: 11px;

    line-height: 1.6;
}


/* ==========================================================================
   FOOTER
   ========================================================================== */

.km-admin-footer {

    display: flex;

    align-items: center;
    justify-content: space-between;

    gap: 20px;

    padding: 25px 2px 4px;

    color: #9AA4B2;

    font-size: 9px;

    line-height: 1.5;
}


.km-admin-footer a {

    color: inherit;

    text-decoration: none;
}


.km-admin-footer a:hover {

    color: var(--km-navy, #0F4C81);

    text-decoration: none;
}


/* ==========================================================================
   TABLET
   ========================================================================== */

@media (max-width: 1000px) {

    .km-admin-main {

        padding: 28px;
    }


    .km-page-header,
    .km-module-header {

        gap: 20px;
    }


    .km-content-grid-3 {

        grid-template-columns:
            repeat(2, minmax(0, 1fr));
    }

}


/* ==========================================================================
   MOBILE
   ========================================================================== */

@media (max-width: 800px) {

    .km-admin-main {

        width: 100%;

        padding: 25px 18px;
    }


    .km-page-header,
    .km-module-header {

        align-items: flex-start;

        flex-direction: column;

        gap: 18px;

        margin-bottom: 24px;
    }


    .km-page-header h1,
    .km-module-header h1 {

        font-size: 25px;
    }


    .km-page-header-action {

        width: 100%;
    }


    .km-page-header-action .km-button {

        width: 100%;
    }


    .km-module-header-action {

        width: 100%;
    }


    .km-admin-card-header {

        padding: 18px;
    }


    .km-admin-card-body {

        padding: 20px;
    }


    .km-admin-card-footer {

        align-items: flex-start;

        flex-direction: column;

        padding: 16px 18px;
    }


    .km-content-grid,
    .km-content-grid-3 {

        grid-template-columns: 1fr;
    }


    .km-content-grid-full {

        grid-column: auto;
    }

}


/* ==========================================================================
   SMALL MOBILE
   ========================================================================== */

@media (max-width: 520px) {

    .km-admin-main {

        padding: 22px 14px;
    }


    .km-page-header h1,
    .km-module-header h1 {

        font-size: 23px;
    }


    .km-page-header p,
    .km-module-header p {

        font-size: 12px;
    }


    .km-admin-card {

        border-radius: 10px;
    }


    .km-admin-card-header {

        padding: 16px;
    }


    .km-admin-card-body {

        padding: 16px;
    }


    .km-admin-empty {

        min-height: 190px;

        padding: 30px 18px;
    }


    .km-admin-footer {

        align-items: flex-start;

        flex-direction: column;

        gap: 5px;
    }

}


/* ==========================================================================
   REDUCED MOTION
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {

    .km-button {

        transition: none;
    }

}