/* ============================================================ */
/* FILTER BLOCK — Bloc de filtrare cărți                        */
/* Responsive: Desktop / Tabletă / Mobil                        */
/* ============================================================ */

/* ---------- Container principal ---------- */
.filter-block {
    width: 100%;
    margin-bottom: 24px;
    padding: 18px 20px;
    background: #faf8f5;
    border: 1px solid #e8e3db;
    border-radius: 14px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

/* ---------- Formular — Layout flex ---------- */
.filter-block__form {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 12px;
}

/* ---------- Celulă individuală ---------- */
.filter-block__cell {
    flex: 1 1 0;
    min-width: 140px;
}

/* Butonul de reset — lățime fixă */
.filter-block__cell--btns {
    flex: 0 0 auto;
    min-width: auto;
}

/* ---------- Wrapper conținut ---------- */
.filter-block__cell-content {
    width: 100%;
}

/* ---------- Select & Input — stilizare uniformă ---------- */
.filter-block__cell-content select,
.filter-block__cell-content input[type="text"] {
    width: 100%;
    height: 42px;
    padding: 0 34px 0 14px;
    font-size: 14px;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: #4a4540;
    background: #ffffff;
    border: 1px solid #ddd8d0;
    border-radius: 10px;
    outline: none;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

/* Săgeată custom pentru select */
.filter-block__cell-content select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23948b80' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 12px;
}

/* Input — fără săgeată */
.filter-block__cell-content input[type="text"] {
    cursor: text;
    padding-right: 14px;
}

/* ---------- Focus states ---------- */
.filter-block__cell-content select:focus,
.filter-block__cell-content input[type="text"]:focus {
    border-color: #c9a84c;
    box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.12);
}

/* ---------- Placeholder ---------- */
.filter-block__cell-content input[type="text"]::placeholder {
    color: #a8a095;
    font-size: 13px;
}

/* ---------- Buton Reset ---------- */
#ajax-filter-reset {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border: 1px solid #ddd8d0;
    border-radius: 10px;
    background: #ffffff;
    color: #948b80;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.2s ease;
}

#ajax-filter-reset:hover {
    border-color: #e74c3c;
    background: #fdf2f2;
    color: #e74c3c;
}

#ajax-filter-reset:active {
    transform: scale(0.95);
}

/* ---------- Container rezultate ---------- */
#ajax-filter-results {
    width: 100%;
}

#ajax-filter-results.d-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 24px 18px;
}

/* ============================================================ */
/* RESPONSIVE — Tabletă (max-width: 950px)                      */
/* ============================================================ */
@media screen and (max-width: 950px) {
    .filter-block {
        padding: 16px;
        border-radius: 12px;
    }

    .filter-block__form {
        gap: 10px;
    }

    .filter-block__cell {
        flex: 1 1 calc(33.333% - 7px);
        min-width: 120px;
    }

    .filter-block__cell--btns {
        flex: 0 0 auto;
    }

    .filter-block__cell-content select,
    .filter-block__cell-content input[type="text"],
    #ajax-filter-reset {
        height: 40px;
        font-size: 13px;
    }

    #ajax-filter-results.d-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 20px 14px;
    }
}

/* ============================================================ */
/* RESPONSIVE — Mobil mare (max-width: 760px)                   */
/* ============================================================ */
@media screen and (max-width: 760px) {
    .filter-block {
        padding: 14px;
        margin-bottom: 18px;
    }

    .filter-block__form {
        gap: 10px;
    }

    .filter-block__cell {
        flex: 1 1 calc(50% - 5px);
        min-width: 100px;
    }

    .filter-block__cell--btns {
        flex: 0 0 auto;
    }

    /* Butonul de reset poziționat la dreapta sus */
    .filter-block__cell--btns {
        order: 5;
        margin-left: auto;
    }

    .filter-block__cell-content select,
    .filter-block__cell-content input[type="text"],
    #ajax-filter-reset {
        height: 40px;
        font-size: 13px;
    }

    #ajax-filter-results.d-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 18px 12px;
    }
}

/* ============================================================ */
/* RESPONSIVE — Mobil mic (max-width: 470px)                    */
/* ============================================================ */
@media screen and (max-width: 470px) {
    .filter-block {
        padding: 12px;
        border-radius: 10px;
        margin-bottom: 14px;
    }

    .filter-block__form {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .filter-block__cell {
        min-width: 0;
        width: 100%;
    }

    /* Gen + Rating pe primul rând */
    .filter-block__cell:nth-child(2) {
        grid-column: 1;
        grid-row: 1;
    }

    .filter-block__cell:nth-child(3) {
        grid-column: 2;
        grid-row: 1;
    }

    /* An + Sortare pe al doilea rând */
    .filter-block__cell:nth-child(4) {
        grid-column: 1;
        grid-row: 2;
    }

    .filter-block__cell:nth-child(5) {
        grid-column: 2;
        grid-row: 2;
    }

    /* Butonul de reset — lat pe tot rândul 3 */
    .filter-block__cell--btns {
        grid-column: 1 / -1;
        grid-row: 3;
        margin-left: 0;
    }

    #ajax-filter-reset {
        width: 100%;
        height: 38px;
        font-size: 13px;
    }

    .filter-block__cell-content select,
    .filter-break__cell-content input[type="text"] {
        height: 38px;
        font-size: 13px;
        padding-left: 10px;
        padding-right: 30px;
    }

    #ajax-filter-results.d-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px 8px;
    }
}

/* ============================================================ */
/* LOADING STATE — Indicator pentru încărcare rezultate         */
/* ============================================================ */
#ajax-filter-results.loading {
    position: relative;
    min-height: 200px;
    opacity: 0.5;
    pointer-events: none;
}

#ajax-filter-results.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 3px solid #e8e3db;
    border-top-color: #c9a84c;
    border-radius: 50%;
    animation: msFilterSpin 0.8s linear infinite;
}

@keyframes msFilterSpin {
    to {
        transform: rotate(360deg);
    }
}

/* ---------- Mesaj "Nu s-au găsit rezultate" ---------- */
#ajax-filter-results:empty::before {
    content: 'Folosiți filtrele de mai sus pentru a căuta cărți.';
    display: block;
    padding: 40px 20px;
    text-align: center;
    color: #a8a095;
    font-size: 14px;
    font-style: italic;
}