/* 
 * PadniSi Offcanvas Library
 * A lightweight, dependency-free replacement for Bootstrap Offcanvas
 * Usage: Load this CSS and the corresponding JS.
 */

:root {
    --padnisi-offcanvas-width: 100%;
    --padnisi-offcanvas-bg: #fff;
    --padnisi-offcanvas-color: #000;
    --padnisi-backdrop-opacity: 0.5;
    --padnisi-transition-duration: 0.3s;
    --padnisi-z-index: 1045;
}

@media (min-width: 992px) {
    :root {
        --padnisi-offcanvas-width: 700px;
    }
}

/* Base Offcanvas */
.padnisi-offcanvas {
    position: fixed;
    bottom: 0;
    z-index: var(--padnisi-z-index);
    display: flex;
    flex-direction: column;
    max-width: 100%;
    color: var(--padnisi-offcanvas-color);
    visibility: hidden;
    background-color: var(--padnisi-offcanvas-bg);
    background-clip: padding-box;
    outline: 0;
    transition: transform var(--padnisi-transition-duration) ease-in-out;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
}

/* Positioning */
.padnisi-offcanvas.offcanvas-start {
    top: 0;
    left: 0;
    width: var(--padnisi-offcanvas-width);
    border-right: 1px solid rgba(0, 0, 0, .2);
    transform: translateX(-100%);
}

.padnisi-offcanvas.offcanvas-end {
    top: 0;
    right: 0;
    width: var(--padnisi-offcanvas-width);
    border-left: 1px solid rgba(0, 0, 0, .2);
    transform: translateX(100%);
}

.padnisi-offcanvas.offcanvas-top {
    top: 0;
    left: 0;
    right: 0;
    height: 30vh;
    max-height: 100%;
    border-bottom: 1px solid rgba(0, 0, 0, .2);
    transform: translateY(-100%);
}

.padnisi-offcanvas.offcanvas-bottom {
    right: 0;
    left: 0;
    height: 30vh;
    max-height: 100%;
    border-top: 1px solid rgba(0, 0, 0, .2);
    transform: translateY(100%);
}

/* State: Open */
.padnisi-offcanvas.show {
    transform: none;
    visibility: visible;
}

/* Header */
.padnisi-offcanvas-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1rem;
    border-bottom: 1px solid #dee2e6;
}

.padnisi-offcanvas-title {
    margin-bottom: 0;
    line-height: 1.5;
    font-size: 1.25rem;
    font-weight: 600;
}

/* Content Body */
.padnisi-offcanvas-body {
    flex-grow: 1;
    padding: var(--spacing-offcanvas-body, 1rem);
    overflow-y: auto;
    position: relative;
}

/* Close Button (reusable) */
.padnisi-btn-close {
    box-sizing: content-box;
    width: 1em;
    height: 1em;
    padding: .25em .25em;
    color: #000;
    background: transparent url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23000'%3e%3cpath d='M.293.293a1 1 0 0 1 1.414 0L8 6.586 14.293.293a1 1 0 1 1 1.414 1.414L9.414 8l6.293 6.293a1 1 0 0 1-1.414 1.414L8 9.414l-6.293 6.293a1 1 0 0 1-1.414-1.414L6.586 8 .293 1.707a1 1 0 0 1 0-1.414z'/%3e%3c/svg%3e") center/1em auto no-repeat;
    border: 0;
    border-radius: .25rem;
    opacity: .5;
    cursor: pointer;
}

.padnisi-btn-close:hover {
    color: #000;
    text-decoration: none;
    opacity: .75;
}

/* Backdrop */
.padnisi-offcanvas-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1040;
    width: 100vw;
    height: 100vh;
    background-color: #000;
    opacity: 0;
    transition: opacity var(--padnisi-transition-duration) linear;
}

.padnisi-offcanvas-backdrop.show {
    opacity: var(--padnisi-backdrop-opacity);
}