:root {
    user-select: none;
}

body {
    margin: 0;
    background: #000000; 
    font-family: monospace;
    min-height: 100vh;
    position: relative;
    color: rgb(200, 0, 0);
    overflow-y: auto;
    overflow-x: hidden;
    padding-left: 20px;
    padding-right: 20px;
}

.versionTag {
    position: fixed;
    top: 50%;
    right: -28px;
    transform: translateY(-50%) rotate(90deg);
    transform-origin: center;
    color: rgba(255, 0, 0);
    font-family: monospace;
    font-size: 12px;
    letter-spacing: 0.14em;
    text-transform: lowercase;
    pointer-events: none;
    z-index: 5;
    opacity: 0.55;
}

/* Main container wrapper */
#header, #header2, #fileInfoPanel, #fileUploadPanel, #fileListPanel, #logoutPanel {
    max-width: none;
    margin: 0;
    padding: 0;
}

/* --- LOGO AKO FIXNÉ POZADIE --- */
/* Použijeme ::before s position: fixed, aby logo "plávalo" za obsahom a nehýbalo sa pri skrolovaní */
body::before {
    content: "";
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background: url('BcatsLogo02.svg') no-repeat center;
    background-size: contain;
    filter: blur(30px) drop-shadow(0 0 40px #ff0000);
    opacity: 0.2;
    animation: pulseLogo 8s ease-in-out infinite;
    z-index: -1;
    pointer-events: none;
}

/* --- FILTROVANIE KLIKANIA --- */
/* Ak chceš môcť označovať text, daj user-select na auto */
* {
    user-select: auto;
}

/* --- ANIMÁCIA PULZOVANIA (Nechať tak ako máš) --- */
@keyframes pulseLogo {
    0% { transform: translate(-50%, -50%) scale(1); opacity: 0.15; filter: blur(15px) drop-shadow(0 0 20px #4d0000); }
    50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.3; filter: blur(8px) drop-shadow(0 0 60px #ff0000); }
    100% { transform: translate(-50%, -50%) scale(1); opacity: 0.15; filter: blur(15px) drop-shadow(0 0 20px #4d0000); }
}

hr {
    color: rgb(200, 0, 0);
}

h2 {
    color: red;
}

a {
    padding: 8px;
    background-color: rgb(200, 0, 0);
    border: none;
    border-radius: 5px;
    color: rgb(255, 225, 225);
    font-family: monospace;
    text-decoration: none;
}


a:hover {
    background-color: rgb(150, 0, 0);
    cursor: pointer;
}

/* --- FILE PREVIEW TOOLTIP --- */
.filePreviewTooltip {
    position: fixed;
    background: rgba(20, 20, 20, 0.95);
    border: 2px solid rgb(200, 0, 0);
    border-radius: 8px;
    padding: 10px;
    max-width: 300px;
    max-height: 300px;
    z-index: 10000;
    box-shadow: 0 4px 20px rgba(200, 0, 0, 0.3);
    pointer-events: none;
    animation: tooltipFadeIn 0.2s ease-in;
}

@keyframes tooltipFadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.filePreviewTooltip img {
    max-width: 100%;
    max-height: 280px;
    object-fit: contain;
    border-radius: 4px;
}

.filePreviewTooltip .fileIcon {
    font-size: 60px;
    text-align: center;
    color: rgb(200, 0, 0);
    padding: 20px;
}

.fileName {
    cursor: pointer;
    transition: color 0.2s ease;
}

.fileName:hover {
    color: rgb(255, 100, 100);
}

#header {
    color: rgb(200, 0, 0);
    text-align: center;
}

#header2 {
    color: rgb(200, 0, 0);
}

#progressBarContainer {
    display: none;
    margin-top: 10px;
}

#progressFill {
    width: 0%;
    height: 20px;
    background: green;
}

#progressBar {
    width: 100%;
    margin-top: 10px;
    text-align: center;
    background-color: transparent;
    font-family: monospace;
}

#progressContainer {
    width: 100%;
    height: 20px;
    background-color: rgba(50, 0, 0, 0.8);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

#progressFill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, rgb(200, 0, 0), rgb(255, 50, 50));
    border-radius: 10px;
    transition: width 0.3s ease;
    text-align: center;
    color: white;
    font-weight: bold;
}

#uploadStatus {
    display: block;
    margin-top: 5px;
    font-size: 14px;
    color: rgb(200, 0, 0);
    font-family: monospace;
}

#progressBar div {
    height: 20px;
    width: 0%;
    background-color: #4CAF50;
    text-align: center;
    color: white;
    font-family: monospace;
}

#loginPanel {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    font-family: monospace;
    padding-top: 20%;
}

#loginPanel form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

#loginPanel button {
    padding: 8px;
    background-color: rgb(200, 0, 0);
    border: none;
    border-radius: 5px;
    color: white;
    font-family: monospace;
    width: 150%;
    transform: translate(-17%);
}

#loginPanel button:hover {
    background-color: rgb(150, 0, 0);
    cursor: pointer;
}

#loginPanel .secondaryLink,
#resetPanel a,
#changePasswordPanel a {
    display: inline-block;
    margin-top: 10px;
    padding: 6px 10px;
    background: transparent;
    border: 1px solid rgba(200, 0, 0, 0.5);
    color: rgba(255, 190, 190, 0.75);
    font-size: 12px;
}

#loginPanel .secondaryLink:hover,
#resetPanel a:hover,
#changePasswordPanel a:hover {
    background: rgba(200, 0, 0, 0.18);
    color: rgb(255, 220, 220);
}

#resetPanel,
#changePasswordPanel {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    font-family: monospace;
    padding-top: 12%;
}

#resetPanel form,
#changePasswordPanel form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

#resetPanel input,
#changePasswordPanel input {
    border: none;
    border-radius: 8px;
    background-color: black;
    color: red;
    padding: 10px;
    outline: none;
    font-family: monospace;
}

#resetPanel button,
#changePasswordPanel button {
    padding: 8px;
    background-color: rgb(200, 0, 0);
    border: none;
    border-radius: 5px;
    color: rgb(255, 225, 225);
    font-family: monospace;
}

#resetPanel button:hover,
#changePasswordPanel button:hover {
    background-color: rgb(150, 0, 0);
    cursor: pointer;
}

#adminLoginPanel {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 24px;
    font-family: monospace;
}

#adminPanel {
    min-height: 100vh;
    padding: 24px;
    font-family: monospace;
}

.adminShell {
    width: min(1120px, 100%);
    margin: 0 auto;
        padding: 0;
        border-radius: 0;
        border: none;
        background: transparent;
        box-shadow: none;
        backdrop-filter: none;
}

.compactShell {
    max-width: 560px;
}

.adminHero {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.adminHero h2 {
    margin: 8px 0 6px;
    color: rgb(255, 80, 80);
    font-size: 28px;
}

.adminHero p {
    margin: 0;
    color: rgba(255, 200, 200, 0.82);
}

.adminPill {
    display: inline-block;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid rgba(200, 0, 0, 0.5);
    color: rgba(255, 200, 200, 0.8);
    font-size: 11px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.adminActionsTop {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.adminActionsTop a,
.adminCard button,
.adminForm button {
    padding: 10px 16px;
    border-radius: 8px;
    border: 1px solid rgba(200, 0, 0, 0.35);
    background: rgba(200, 0, 0, 0.88);
    color: rgb(255, 225, 225);
    text-decoration: none;
    font-family: monospace;
    cursor: pointer;
}

.adminActionsTop a:hover,
.adminCard button:hover,
.adminForm button:hover {
    background: rgb(150, 0, 0);
}

.adminStats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin: 18px 0 22px;
}

.adminStatCard,
.adminCard {
    border-radius: 16px;
    background: rgba(20, 0, 0, 0.72);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.adminStatCard {
    padding: 16px;
}

.adminStatCard span {
    display: block;
    color: rgba(255, 200, 200, 0.68);
    font-size: 12px;
    margin-bottom: 8px;
}

.adminStatCard strong {
    color: rgb(255, 120, 120);
    font-size: 30px;
}

.adminGrid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}

.adminCard {
    padding: 18px;
}

.adminCard h3 {
    margin-top: 0;
    margin-bottom: 8px;

.adminCard,
.adminStatCard,
#header,
#fileInfoPanel,
#fileUploadPanel,
#fileListPanel,
#logoutPanel {
    max-width: 1120px;
    margin: 0 auto;
}
    color: rgb(255, 120, 120);
}

.adminCard p {
    margin-top: 0;
    margin-bottom: 14px;
    color: rgba(255, 200, 200, 0.75);
}

.adminForm {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.adminForm input,
.adminForm select {
    width: 100%;
    box-sizing: border-box;
    border: 1px solid rgba(200, 0, 0, 0.35);
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.88);
    color: rgb(255, 120, 120);
    padding: 11px 12px;
    outline: none;
    font-family: monospace;
}

.adminForm input::placeholder {
    color: rgba(255, 190, 190, 0.5);
}

.adminMessage {
    margin-bottom: 16px;
}

.adminTableCard {
    margin-top: 4px;
}

.adminTableWrap {
    overflow-x: auto;
}

.adminTable {
    width: 100%;
    border-collapse: collapse;
    color: rgba(255, 220, 220, 0.92);
}

.adminTable th,
.adminTable td {
    text-align: left;
    padding: 12px 10px;
    border-bottom: 1px solid rgba(200, 0, 0, 0.18);
}

.adminTable th {
    color: rgb(255, 150, 150);
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.adminFlag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 34px;
    padding: 4px 8px;
    border-radius: 999px;
    font-size: 12px;
}

.adminFlag.isAdmin {
    background: rgba(50, 160, 70, 0.18);
    color: rgb(142, 255, 164);
    border: 1px solid rgba(142, 255, 164, 0.4);
}

.adminFlag.isUser {
    background: rgba(200, 0, 0, 0.14);
    color: rgb(255, 190, 190);
    border: 1px solid rgba(200, 0, 0, 0.35);
}

.adminLoginPanel .secondaryLink,
.compactShell .secondaryLink {
    display: inline-block;
    align-self: center;
}

#adminPanel #header,
#adminPanel #fileInfoPanel,
#adminPanel .adminCard,
#adminPanel #logoutPanel {
    color: rgb(200, 0, 0);
    padding: 0;
    margin-bottom: 16px;
}

#adminPanel #fileInfoPanel,
#adminPanel #logoutPanel {
    width: min(552px, 100%);
    margin-left: auto;
    margin-right: auto;
}

#adminPanel #logoutPanel {
    margin-top: 16px;
}

#adminPanel #header h1,
#adminPanel #fileInfoPanel h2,
#adminPanel .adminCard h3,
#adminPanel #logoutPanel h3 {
    margin-top: 0;
}

#adminPanel #header {
    text-align: center;
    padding-top: 10px;
}

#adminPanel #fileInfoPanel,
#adminPanel .adminCard,
#adminPanel #logoutPanel {
    border-radius: 10px;
    background-color: rgba(50, 0, 0, 0.8);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    padding: 16px;
}

#adminPanel .adminGrid {
    margin-top: 0;
}

#adminPanel .adminTableCard {
    padding: 16px;
}

@media screen and (max-width: 768px) {
    .adminStats,
    .adminGrid {
        grid-template-columns: 1fr;
    }

    .adminShell {
        padding: 18px;
    }

    .adminHero h2 {
        font-size: 22px;
    }

    .adminStatCard strong {
        font-size: 24px;
    }

    #changePasswordPanel {
        padding-top: 20%;
    }
}

@media screen and (max-width: 480px) {
    #adminLoginPanel,
    #adminPanel {
        padding: 12px;
    }

    .adminShell {
        padding: 14px;
        border-radius: 16px;
    }

    .adminHero h2 {
        font-size: 20px;
    }

    .adminActionsTop a,
    .adminCard button,
    .adminForm button {
        width: 100%;
        text-align: center;
    }

    #changePasswordPanel {
        padding-top: 24%;
    }
}

#loginPanel input {
    border: none;
    border-radius: 5px;
    background-color: #1b0000;
    color: red;
    padding: 10px;
    outline: none;
    font-family: monospace;
}

#registerPanel {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    font-family: monospace;
    margin: 20%;
}

#registerPanel form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

#registerPanel button {
    padding: 8px;
    background-color: rgb(200, 0, 0);
    border: none;
    border-radius: 5px;
    color: white;
    font-family: monospace;
}

#registerPanel button:hover {
    background-color: rgb(150, 0, 0);
    cursor: pointer;
}

#registerPanel input {
    border: none;
    border-radius: 8px;
    background-color: black;
    color: red;
    padding: 10px;
    outline: none;
    font-family: monospace;
}

.successmsg {
    color: green;
    text-align: center;
}

.errormsg {
    color: red;
    text-align: center;
}

#userPanel {
    color: rgb(255, 0, 0);
}

#storageUsage {
    margin-top: 20px;
    padding: 10px;
    border-radius: 10px;
    background-color: rgba(50, 0, 0, 0.8);
    color: rgb(200, 0, 0);
    font-family: monospace;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

#storageBarContainer {
    width: 100%;
    height: 20px;
    background-color: rgba(100, 0, 0, 0.5);
    border-radius: 10px;
    overflow: hidden;
    margin-top: 10px;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.5);
}

#storageBarFill {
    height: 100%;
    background: linear-gradient(90deg, rgba(200, 0, 0, 0.3), rgb(155, 0, 0));
    border-radius: 10px;
    transition: width 0.3s ease;
}

#storageText {
    margin-top: 10px;
    font-size: 14px;
    color: rgb(200, 0, 0);
}

#fileList {
    list-style: none;
    padding: 0;
    margin: 0;
}

.fileItem {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 10px;
    border-bottom: 1px solid rgba(200, 0, 0, 0.5);
    gap: 10px;
}

.fileCheckbox {
    flex: 0 0 auto;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.fileName {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding: 4px 8px;
    border-radius: 5px;
    background-color: rgba(50, 0, 0, 0.5);
    color: rgb(255, 100, 100);
    font-weight: bold;
    transition: background 0.2s;
}

.fileName:hover {
    background-color: rgba(100, 0, 0, 0.8);
}

.fileActions {
    display: flex;
    gap: 5px;
}

.fileActions a,
.fileActions button {
    padding: 10px 25px;
    font-family: monospace;
    border-radius: 5px;
    border: none;
    color: rgb(255, 225, 225);
    background-color: rgb(200, 0, 0);
    cursor: pointer;
    text-decoration: none;
}

.fileActions a:hover,
.fileActions button:hover {
    background-color: rgb(150, 0, 0);
}

.fileActions a.downloadLink {
    padding: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.fileActions a.downloadLink img {
    width: 20px;
    height: 20px;
    display: block;
}

.fileActions a.downloadLink,
.fileActions a.deleteLink {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    flex: 0 0 auto;
    line-height: 0;
    box-sizing: border-box;
}

.fileActions a.downloadLink:hover,
.fileActions a.deleteLink:hover {
    background-color: rgba(150, 0, 0, 0.75);
    border-radius: 8px;
}

.fileActions a.deleteLink img {
    width: 20px;
    height: 20px;
    display: block;
}

#fileInfoPanel {
    color: rgb(200, 0, 0);
}

#fileUploadPanel {
    color: rgb(255, 0, 0);
}

#fileUploadPanel button {
    padding: 8px;
    background-color: rgb(200, 0, 0);
    border: none;
    border-radius: 0px 5px 5px 0px;
    color: rgb(255, 225, 225);
    font-family: monospace;
    transform: translate(-11%, -2%);
    height: 38px;
}

#fileUploadPanel button:hover {
    background-color: rgb(150, 0, 0);
    cursor: pointer;
}

#fileUploadPanel input {
    padding: 8px;
    background-color: rgb(200, 0, 0);
    border: none;
    border-radius: 5px 0px 0px 5px;
    color: white;
    font-family: monospace;
}

#fileListPanel {
    color: rgb(255, 0, 0);
}

#fileListPanel p {
    color: rgb(200, 0, 0);
}

.fileCheckbox {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgb(200, 0, 0);
    border-radius: 4px;
    background-color: rgba(0, 0, 0, 0.8);
    cursor: pointer;
    flex: 0 0 auto;
    transition: background 0.2s, border 0.2s;
}

.fileCheckbox:checked {
    background-color: rgb(200, 0, 0);
    border-color: rgb(255, 50, 50);
}

.fileCheckbox:checked::after {
    content: '';
}

#deleteSelectedBtn {
    padding: 8px 12px;
    background-color: rgb(200, 0, 0);
    border: none;
    border-radius: 5px;
    color: rgb(255, 225, 225);
    font-family: monospace;
    cursor: pointer;
    margin-top: 10px;
    transition: background 0.2s;
}

#deleteSelectedBtn:hover {
    background-color: rgb(150, 0, 0);
}

#downloadSelectedBtn {
    padding: 8px 12px;
    background-color: rgb(200, 0, 0);
    border: none;
    border-radius: 5px;
    color: rgb(255, 225, 225);
    font-family: monospace;
    cursor: pointer;
    margin-top: 10px;
    transition: background 0.2s;
}

#downloadSelectedBtn:hover {
    background-color: rgb(150, 0, 0);
}

#logoutPanel {
    color: rgb(255, 0, 0);
    margin-bottom: 5%;
}

#logoutPanel p {
    color: rgb(200, 0, 0);
}

#logoutPanel button {
    padding: 8px;
    background-color: rgb(200, 0, 0);
    border: none;
    border-radius: 5px;
    color: rgb(255, 225, 225);
    font-family: monospace;
}

#logoutPanel button:hover {
    background-color: rgb(150, 0, 0);
    cursor: pointer;
}

@media screen and (max-width: 768px) {
    #RegisterPanel,
    #loginPanel,
    #resetPanel {
        padding-top: 75%;
    }

    body {
        font-size: 13px;
    }

    h2, h3 {
        font-size: 16px;
    }

    .fileItem {
        padding: 5px 8px;
        font-size: 13px;
    }

    .fileName {
        font-size: 12px;
    }

    .fileActions a {
        padding: 6px 10px;
        font-size: 12px;
    }

    #deleteSelectedBtn,
    #downloadSelectedBtn {
        padding: 6px 10px;
        font-size: 12px;
    }

    #fileUploadPanel input,
    #fileUploadPanel button,
    #logoutPanel button {
        padding: 6px;
        font-size: 12px;
    }

    #fileUploadPanel Button {
        height: 29px;
    }

    .versionTag {
        right: -32px;
        font-size: 11px;
        opacity: 0.4;
    }
}

@media screen and (max-width: 480px) {
    body {
        font-size: 12px;
    }

    h2 {
        font-size: 14px;
    }

    h3 {
        font-size: 13px;
    }

    .fileItem {
        padding: 4px 5px;
        font-size: 11px;
    }

    .fileCheckbox {
        width: 16px;
        height: 16px;
    }

    .fileName {
        font-size: 11px;
        padding: 2px 4px;
    }

    .fileActions a {
        padding: 5px 8px;
        font-size: 10px;
    }

    #deleteSelectedBtn,
    #downloadSelectedBtn {
        padding: 5px 8px;
        font-size: 11px;
        margin-top: 8px;
    }

    #fileUploadPanel input,
    #fileUploadPanel button,
    #logoutPanel button {
        padding: 5px;
        font-size: 11px;
    }

    #loginPanel .secondaryLink,
    #resetPanel a {
        font-size: 11px;
    }

    .versionTag {
        right: -25px;
        font-size: 10px;
        opacity: 0.3;
    }
}