/* ===================================================================
 *  ΜΕΡΟΣ 1: THEME (ΜΕΤΑΒΛΗΤΕΣ) & ΓΕΝΙΚΑ ΣΤΥΛ
 * =================================================================== */
:root {
    /* Γενικά Στυλ */
    --sm-fm-bg: #fff;
    --sm-fm-text-color: #333;
    --sm-fm-border-color: #ddd;

    /* Φόντα Περιοχών */
    --sm-fm-toolbar-bg: #f7f7f7;
    --sm-fm-item-hover-bg: #f5faff;
    --sm-fm-item-selected-bg: #e9f5ff;

    /* Στυλ Κουμπιών */
    --sm-fm-button-bg: #fff;
    --sm-fm-button-hover-bg: #f0f0f0;

    /* Βασικά Χρώματα Εικονιδίων */
    --sm-fm-icon-folder-color: #79b1e0;
    --sm-fm-icon-download-color: #3273dc;
    --sm-fm-icon-delete-color: #d9534f;
    --sm-fm-icon-rename-color: #28a745;
    --sm-fm-icon-permissions-color: #f0ad4e;
}

.sm-file-manager-wrapper {
    background: var(--sm-fm-bg);
    color: var(--sm-fm-text-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: 700px;
    border: 1px solid var(--sm-fm-border-color);
}

/* ===================================================================
 *  ΜΕΡΟΣ 2: TOOLBAR & CONTROLS (ΓΡΑΜΜΗ ΕΡΓΑΛΕΙΩΝ)
 * =================================================================== */
.sm-fm-toolbar-wrapper {
    background-color: var(--sm-fm-toolbar-bg);
    border-bottom: 1px solid var(--sm-fm-border-color);
    flex-shrink: 0;
    padding: 8px 8px;
}

.sm-fm-toolbar-line1 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    flex-wrap: nowrap;
    min-height: 36px;
}

.sm-fm-toolbar-line2 {
    padding-top: 8px;
    display: flex;
    justify-content: flex-end;
}
.sm-fm-toolbar-line2:empty {
    display: none;
}

.sm-fm-action-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.sm-fm-path-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-grow: 1;
    min-width: 0;
}

.sm-fm-breadcrumbs {
    font-weight: bold;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 13px;
}

.sm-fm-top-right-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: nowrap;
    flex-shrink: 0;
}

.sm-fm-search-wrapper input {
    height: 36px;
    border: 1px solid var(--sm-fm-border-color);
    padding: 0 10px;
    font-size: 13px;
    max-width: 200px;
    min-width: 100px;
    width: 25vw;
}

.sm-fm-search-wrapper input:focus {
    outline: none;
    border-color: var(--sm-fm-icon-download-color);
}

.sm-fm-btn {
    height: 36px;
    padding: 0 12px;
    border: 1px solid var(--sm-fm-border-color);
    background-color: var(--sm-fm-button-bg);
    color: inherit;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: background-color 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.sm-fm-btn:hover {
    background-color: var(--sm-fm-button-hover-bg);
}

.sm-fm-btn svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
    flex-shrink: 0;
}

#sm-fm-back-btn,
#sm-fm-layout-toggle-btn,
#sm-fm-refresh-btn {
    padding: 0;
    width: 36px;
    justify-content: center;
}

.sm-fm-btn:disabled {
    cursor: not-allowed;
    opacity: 0.7;
}


/* ===================================================================
 *  ΜΕΡΟΣ 3: FILE LIST CONTAINER & ΚΟΙΝΑ ΣΤΟΙΧΕΙΑ
 * =================================================================== */
.sm-fm-file-list {
    flex-grow: 1;
    overflow-y: auto;
    min-height: 0;
}

.sm-fm-item {
    transition: background-color 0.2s;
    cursor: pointer;
    -webkit-user-select: none; /* Safari */
    -ms-user-select: none;     /* Internet Explorer/Edge */
    user-select: none;         /* Standard syntax */
}

.sm-fm-item:hover {
    background-color: var(--sm-fm-item-hover-bg);
}

.sm-fm-item.selected {
    background-color: var(--sm-fm-item-selected-bg);
    border-color: var(--sm-fm-border-color); /* Χρησιμοποιεί το γενικό border color */
}

.sm-fm-message {
    padding: 40px;
    text-align: center;
    opacity: 0.8;
}

.sm-fm-message.sm-fm-error {
    color: var(--sm-fm-icon-delete-color);
    opacity: 1;
}

.sm-lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: zoom-out;
    animation: sm-fade-in 0.3s ease;
}

.sm-lightbox-image {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
    border-radius: 5px;
}

@keyframes sm-fade-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}


/* ===================================================================
 *  ΜΕΡΟΣ 4: LIST VIEW
 * =================================================================== */
.sm-fm-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 110px 180px 80px 115px;
    align-items: center;
    height: 42px;
    padding: 0 15px;
    gap: 0px;
    font-size: 13px;
    border-bottom: 1px solid var(--sm-fm-border-color);
    font-weight: bold;
    background-color: var(--sm-fm-toolbar-bg);
    flex-shrink: 0;
}

.sm-fm-header>div,
.sm-fm-item>div {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sm-fm-sortable-col {
    cursor: pointer;
}

.sm-fm-sortable-col:hover {
    color: var(--sm-fm-icon-download-color);
}

.sm-fm-sortable-col::after {
    content: '';
    display: inline-block;
    width: 1em;
    height: 1em;
    margin-left: 5px;
    opacity: 0.4;
    vertical-align: middle;
}

.sm-fm-sortable-col.sort-asc::after {
    content: '▲';
    font-size: 13px;
    opacity: 1;
    position: relative;
    top: -2px;
}

.sm-fm-sortable-col.sort-desc::after {
    content: '▼';
    font-size: 13px;
    opacity: 1;
    position: relative;
    top: -2px;
}

.sm-fm-header>div:not(.sm-fm-cell-name) {
    text-align: center;
}

.sm-fm-file-list:not(.layout-grid) .sm-fm-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 110px 180px 80px 115px;
    align-items: center;
    font-size: 13px;
    padding: 5px 5px;
    gap: 2px;
    border-bottom: 1px solid var(--sm-fm-border-color);
}
.sm-fm-file-list:not(.layout-grid) .sm-fm-item:last-child {
    border-bottom: none;
}

.sm-fm-file-list:not(.layout-grid) .sm-fm-cell-name {
    display: flex;
    align-items: center;
    gap: 8px;
    text-align: left;
}

.sm-fm-file-list:not(.layout-grid) .sm-fm-item>div:not(.sm-fm-cell-name) {
    text-align: center;
}

.sm-fm-file-list:not(.layout-grid) .sm-fm-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sm-fm-file-list:not(.layout-grid) .sm-fm-icon svg {
    width: 40px;
    height: 40px;
    fill: currentColor;
    opacity: 0.8;
}

.sm-fm-file-list:not(.layout-grid) .sm-fm-item.is-dir .sm-fm-icon svg {
    fill: var(--sm-fm-icon-folder-color);
}

.sm-fm-file-list:not(.layout-grid) .sm-fm-thumbnail {
    width: 48px;
    height: 48px;
    object-fit: cover;
    border: 1px solid #eee;
    flex-shrink: 0;
    cursor: zoom-in;
}

.sm-fm-item[data-name$=".pdf" i] .sm-fm-icon {
    cursor: zoom-in;
}

/* ===================================================================
 *  ΜΕΡΟΣ 5: GRID VIEW
 * =================================================================== */
.sm-fm-file-list.layout-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 10px;
    padding: 10px;
    align-items: start;
}

.sm-fm-file-list.layout-grid .sm-fm-item {
    display: flex;
    flex-direction: column;
    padding: 8px 8px;
    border: 1px solid var(--sm-fm-border-color);
    border-radius: 0px;
    text-align: center;
}

.sm-fm-file-list.layout-grid .sm-fm-cell-name {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 4px;
}

.sm-fm-file-list.layout-grid .sm-fm-icon,
.sm-fm-file-list.layout-grid .sm-fm-thumbnail {
    width: auto;
    height: 110px;
    margin-bottom: 7px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.sm-fm-file-list.layout-grid .sm-fm-thumbnail {
    object-fit: cover;
    cursor: zoom-in;
}

.sm-fm-file-list.layout-grid .sm-fm-icon svg {
    width: 48px;
    height: 48px;
    fill: currentColor;
    opacity: 0.8;
}

.sm-fm-file-list.layout-grid .sm-fm-item.is-dir .sm-fm-icon svg {
    fill: var(--sm-fm-icon-folder-color);
}

.sm-fm-file-list.layout-grid .sm-fm-name {
    font-weight: bold;
    font-size: 12px;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sm-fm-file-list.layout-grid .sm-fm-cell-size,
.sm-fm-file-list.layout-grid .sm-fm-cell-modified,
.sm-fm-file-list.layout-grid .sm-fm-cell-permissions {
    display: block;
    font-size: 12px;
    color: var(--sm-fm-text-color);
    line-height: 1.3;
    padding: 5px 0;
}

/* ===================================================================
 *  ΜΕΡΟΣ 6: ACTION BUTTONS (ΚΟΙΝΟ ΣΤΥΛ & HOVER FIX)
 * =================================================================== */
.sm-fm-cell-actions {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0px;
}
.sm-fm-file-list:not(.layout-grid) .sm-fm-cell-actions {
    justify-content: flex-end;
}
.sm-fm-file-list.layout-grid .sm-fm-cell-actions {
    margin-top: 5px;
}

.sm-fm-action-btn {
    border: none;
    background: none;
    /* ΑΦΑΙΡΕΘΗΚΕ το color: #aaa; */
    padding: 4px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s, background-color 0.2s;
}

.sm-fm-action-btn svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* ΝΕΟΙ ΚΑΝΟΝΕΣ: Ορίζουν το βασικό χρώμα για κάθε εικονίδιο */
.sm-fm-download-btn {
    color: var(--sm-fm-icon-download-color);
}
.sm-fm-delete-btn {
    color: var(--sm-fm-icon-delete-color);
}
.sm-fm-rename-btn {
    color: var(--sm-fm-icon-rename-color);
}
.sm-fm-permissions-btn {
    color: var(--sm-fm-icon-permissions-color);
}

/* ΕΝΙΑΙΟ HOVER: Εφαρμόζει μόνο background-color σε όλα */
.sm-fm-action-btn:hover {
    background-color: var(--sm-fm-button-hover-bg);
}

/* ===================================================================
 *  ΜΕΡΟΣ 7: RESPONSIVE DESIGN
 * =================================================================== */
@media (max-width: 992px) {
    .sm-fm-toolbar-wrapper .sm-fm-btn span {
        display: none;
    }
    .sm-fm-toolbar-wrapper .sm-fm-btn {
        padding: 0;
        width: 36px;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .sm-fm-header .sm-fm-cell-permissions,
    .sm-fm-file-list:not(.layout-grid) .sm-fm-cell-permissions {
        display: none;
    }
    .sm-fm-header,
    .sm-fm-file-list:not(.layout-grid) .sm-fm-item {
        grid-template-columns: minmax(0, 1fr) 100px 170px 120px;
    }
}

@media (max-width: 640px) {
    .sm-fm-header .sm-fm-cell-modified,
    .sm-fm-file-list:not(.layout-grid) .sm-fm-cell-modified {
        display: none;
    }
    .sm-fm-header,
    .sm-fm-file-list:not(.layout-grid) .sm-fm-item {
        grid-template-columns: minmax(0, 1fr) 100px 120px;
    }
}

@media (max-width: 540px) {
    .sm-fm-header .sm-fm-cell-size,
    .sm-fm-file-list:not(.layout-grid) .sm-fm-cell-size {
        display: none;
    }
    .sm-fm-header,
    .sm-fm-file-list:not(.layout-grid) .sm-fm-item {
        grid-template-columns: minmax(0, 1fr) 120px;
        padding: 8px 10px;
    }
}


/* ===================================================================
 *  ΜΕΡΟΣ 8: AUDIO PLAYER (ΟΡΙΣΤΙΚΗ ΕΚΔΟΣΗ)
 * =================================================================== */
.sm-fm-audio-player {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 8px 15px;
    background-color: var(--sm-fm-toolbar-bg);
    border-top: 1px solid var(--sm-fm-border-color);
    flex-shrink: 0;
    overflow: hidden;
}

.sm-fm-player-title {
    font-weight: normal;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--sm-fm-text-color);
    font-size: 13px;

    /* --- Η ΣΩΣΤΗ ΛΟΓΙΚΗ --- */
    /* Δεν μεγαλώνει, παίρνει το φυσικό του μέγεθος, αλλά μπορεί να μικρύνει */
    flex: 0 1 auto; 
}

.sm-fm-player-audio {
    /* --- Η ΣΩΣΤΗ ΛΟΓΙΚΗ --- */
    /* Μεγαλώνει για να γεμίσει όλο το κενό */
    flex: 1 1 auto; 
    min-width: 250px; 
    height: 40px;

    accent-color: #4a4a4a;
}

.sm-fm-player-audio:focus {
    outline: none;
}

.sm-fm-player-audio::-webkit-slider-runnable-track {
    background-color: #b0d7ff;
    border-radius: 4px;
    height: 6px;
}

.sm-fm-player-audio::-webkit-slider-thumb {
    -webkit-appearance: none; 
    margin-top: -7px; 
    height: 20px;
    width: 20px;
    background-color: #4a4a4a;
    border-radius: 50%;
    border: 2px solid var(--sm-fm-toolbar-bg);
}

.sm-fm-player-audio::-moz-range-track {
    background-color: #b0d7ff;
    height: 6px;
    border-radius: 4px;
}
.sm-fm-player-audio::-moz-range-progress {
    background-color: #4a4a4a;
}
.sm-fm-player-audio::-moz-range-thumb {
    height: 20px;
    width: 20px;
    background-color: #4a4a4a;
    border-radius: 50%;
    border: 2px solid var(--sm-fm-toolbar-bg);
}


.sm-fm-player-close {
    font-size: 24px;
    font-weight: bold;
    color: var(--sm-fm-icon-delete-color);
    background: none;
    border: none;
    cursor: pointer;
    line-height: 1;
    padding: 2px;
    border-radius: 50%;
    transition: background-color 0.2s;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
}

.sm-fm-player-close:hover {
    background-color: var(--sm-fm-button-hover-bg);
}

.sm-fm-item.is-playing {
    background-color: var(--sm-fm-item-selected-bg);
    font-weight: bold;
}

.sm-fm-item.is-playing .sm-fm-icon svg {
    animation: sm-zoom-audio 1.5s infinite ease-in-out;
    fill: var(--sm-fm-icon-delete-color) !important;
}

@keyframes sm-zoom-audio {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}


/* ===================================================================
 *  ΜΕΡΟΣ 9: MODAL WINDOW & UPLOAD PROGRESS (ΝΕΟ)
 * =================================================================== */

/* --- Modal --- */
.sm-fm-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 10000;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 15px;
    animation: sm-fade-in 0.2s ease;
}

.sm-fm-modal {
    background: var(--sm-fm-bg);
    color: var(--sm-fm-text-color);
    border: 1px solid var(--sm-fm-border-color);
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
    width: 100%;
    max-width: 400px;
    display: flex;
    flex-direction: column;
}

.sm-fm-modal-header {
    padding: 12px 15px;
    font-size: 14px;
    font-weight: normal;
    border-bottom: 1px solid var(--sm-fm-border-color);
    background-color: var(--sm-fm-toolbar-bg);
}

.sm-fm-modal-content {
    padding: 15px 10px;
    line-height: 1.5;
    font-size: 14px;
}
.sm-fm-modal-content strong {
    word-break: break-all;
}

.sm-fm-modal-input {
    width: 100%;
    height: 40px;
    border: 1px solid var(--sm-fm-border-color);
    padding: 0 10px;
    font-size: 14px;
    margin-top: 10px;
    box-sizing: border-box;
}
.sm-fm-modal-input:focus {
    outline: none;
    border-color: var(--sm-fm-icon-download-color);
}

.sm-fm-modal-footer {
    padding: 10px 15px;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    border-top: 1px solid var(--sm-fm-border-color);
    background-color: var(--sm-fm-toolbar-bg);
}

.sm-fm-modal-btn {
    height: 34px;
    padding: 0 20px;
    border: 1px solid var(--sm-fm-border-color);
    background-color: var(--sm-fm-button-bg);
    color: inherit;
    cursor: pointer;
    font-size: 13px;
    font-weight: normal;
    transition: background-color 0.2s;
}
.sm-fm-modal-btn:hover {
    background-color: var(--sm-fm-button-hover-bg);
}
.sm-fm-modal-btn.primary {
    background-color: var(--sm-fm-button-bg);
    color: var(--sm-fm-text-color);
    border-color: var(--sm-fm-border-color);
}
.sm-fm-modal-btn.primary:hover {
    opacity: 0.9;
    background-color: var(--sm-fm-button-hover-bg);
}


/* --- Upload Progress --- */
.sm-fm-upload-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-items: center;
    padding: 10px 15px;
    border-bottom: 1px solid var(--sm-fm-border-color);
    background-color: #fdfdfd;
}

.sm-fm-upload-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 5px;
    font-size: 13px;
    gap: 15px;
}
.sm-fm-upload-name {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: bold;
}
.sm-fm-upload-status {
    flex-shrink: 0;
    font-weight: normal;
}

.sm-fm-progress-bar {
    width: 100%;
    height: 10px;
    background-color: #e9ecef;
    border-radius: 4px;
    overflow: hidden;
}

.sm-fm-progress-bar-inner {
    width: 0%;
    height: 100%;
    background-color: var(--sm-fm-icon-download-color);
    transition: width 0.4s ease;
}

/* Styling for the new Info Footer */
.sm-fm-footer {
    padding: 8px 12px;
    border-top: 1px solid var(--sm-fm-border-color, #ddd);
    background-color: var(--sm-fm-toolbar-bg, #f5f5f5);
    font-size: 12px;
    color: var(--sm-fm-text-color, #333);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0; /* Prevents the footer from shrinking */
}

.sm-fm-info-block {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===================================================================
 *  ΜΕΡΟΣ 10: ΛΕΙΤΟΥΡΓΙΑ ΧΩΡΙΣ ΕΝΕΡΓΕΙΕΣ
 * =================================================================== */

/* Κρύβει τη στήλη "Ενέργειες" όταν δεν υπάρχει καμία διαθέσιμη */
.sm-fm-no-actions .sm-fm-cell-actions {
    display: none;
}

/* Προσαρμόζει το grid της λίστας όταν η στήλη "Ενέργειες" είναι κρυφή */
.sm-fm-no-actions .sm-fm-header,
.sm-fm-no-actions .sm-fm-file-list:not(.layout-grid) .sm-fm-item {
    grid-template-columns: minmax(0, 1fr) 110px 180px 80px;
}

@media (max-width: 768px) {
    .sm-fm-no-actions .sm-fm-header,
    .sm-fm-no-actions .sm-fm-file-list:not(.layout-grid) .sm-fm-item {
        grid-template-columns: minmax(0, 1fr) 100px 170px;
    }
}

@media (max-width: 640px) {
    .sm-fm-no-actions .sm-fm-header,
    .sm-fm-no-actions .sm-fm-file-list:not(.layout-grid) .sm-fm-item {
        grid-template-columns: minmax(0, 1fr) 100px;
    }
}

@media (max-width: 540px) {
    .sm-fm-no-actions .sm-fm-header,
    .sm-fm-no-actions .sm-fm-file-list:not(.layout-grid) .sm-fm-item {
        grid-template-columns: minmax(0, 1fr);
    }
}