/* -------------------- HINTERGRUND & GRUNDLAYOUT -------------------- */
body {
    background: linear-gradient(135deg, #a0c4ff, #b5ead7, #cce3dc); /* Blau-Grün-Grau Verlauf */
    background-size: 400% 400%;
    animation: gradientShift 20s ease infinite;
    height: 100vh;
    margin: 0;
    overflow: hidden;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #2c3e50;
}

/* -------------------- HEADER & TITEL -------------------- */
.title {
    margin-left: 20px;
}
header {
    border-bottom: 1px solid #ccc;
    padding-bottom: 10px;
}
.head {
    display: flex;
    justify-content: space-between;
}
.menu {
    text-align: center;
    margin-right: 20px;
}
header button {
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
    transform: scale(1);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    background: #f0f4f8;
    border-radius: 8px;
    padding: 6px 14px;
    font-size: 14px;
    font-weight: 500;
    color: #2c3e50;
    border: none;
}

header button:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
    cursor: pointer;
}

/* -------------------- AUSWAHLFELDER -------------------- */
.auswahl {
    text-align: left;
    margin-left: 20px;
}
#jahr, #monat, #suche {
    border-radius: 8px;
    border: none;
    height: 32px;
    padding: 0 10px;
    background: #f9f9fb;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
    transition: box-shadow 0.3s ease;
}
#jahr:focus, #monat:focus, #suche:focus,
#export:focus, #mode:focus {
    outline: none;
    box-shadow: 0 0 0 2px #88c0d0;
}

/* -------------------- TABELLEN-EINTRAG BUTTON (nur der Button klickbar, mittig) -------------------- */
#eintrag-zeile {
  background: none !important;      /* kein Hintergrund */
  border: none !important;
  box-shadow: none !important;
}

#eintrag-zeile:hover {
  background: none !important;      /* Zeile reagiert nicht auf Hover */
}

#eintrag-zeile td {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  text-align: center;
  padding: 16px 0;
  cursor: default;                  /* Zeile zeigt keinen Pointer */
}

/* Der eigentliche Button */
#eintrag {
  background: linear-gradient(135deg, #cce3dc, #b5ead7);
  color: #2c3e50;
  font-weight: 500;
  font-size: 14px;
  border: none;
  border-radius: 10px;
  padding: 8px 20px;
  cursor: pointer;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.1);
  transition: all 0.25s ease-in-out;
  display: inline-block;            /* bleibt mittig */
}

#eintrag:hover {
  background: linear-gradient(135deg, #dff7ef, #cce3dc);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.15);
}

#eintrag:active {
  transform: translateY(1px);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

/* -------------------- TABELLEN CONTAINER -------------------- */
.container {
    padding: 1rem;
    transition: background-color 0.3s;
    overflow-y: auto;
    max-height: 80vh;
}

/* -------------------- MODERNE, TRANSPARENTE TABELLE -------------------- */
table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-top: 1rem;
    table-layout: fixed;
    background-color: rgba(200, 230, 240, 0.15);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(100, 150, 170, 0.3);
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

thead > tr > th {
    padding: 0.8rem;
    text-align: left;
    font-weight: 600;
    background: rgba(180, 210, 220, 0.35);
    backdrop-filter: blur(4px);
    color: #2c3e50;
    border-bottom: 1px solid rgba(0, 0, 0, 0.15);
}

tbody > tr {
    background: rgba(255, 255, 255, 0.04);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}
tbody > tr:hover {
    background-color: rgba(100, 160, 180, 0.15);
}

tbody > tr > td {
    padding: 0.8rem;
    color: #2c3e50;
    text-align: left;
    border-right: 1px solid rgba(0, 0, 0, 0.08);
}
tbody > tr > td:last-child {
    border-right: none;
}

tfoot {
    background: rgba(180, 210, 220, 0.25);
    color: #2c3e50;
    font-weight: bold;
    border-top: 1px solid rgba(0, 0, 0, 0.15);
}
#summe-zelle {
    padding: 0.8rem;
    text-align: left;
}

/* -------------------- SPALTENBREITEN -------------------- */
thead > tr > th:nth-child(1) { width: 10%; }
thead > tr > th:nth-child(2) { width: 40%; }
thead > tr > th:nth-child(3) { width: 25%; }
thead > tr > th:nth-child(4) { width: 10%; }

/* -------------------- BUTTONS -------------------- */
#buchhaltung-tabelle td:last-child {
    display: flex;
    justify-content: flex-start;
    gap: 6px;
    padding-right: 0.5rem;
}

.speichern-btn, .loeschen-btn {
    padding: 6px 14px;
    font-size: 13px;
    border: none;
    border-radius: 6px;
    color: #fff;
    cursor: pointer;
    transition: all 0.3s ease-in-out;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
    transform: scale(1);
}

.speichern-btn {
    background: linear-gradient(145deg, #28a745, #218838);
}

.speichern-btn:hover {
    transform: scale(1.06);
    box-shadow: 0 6px 14px rgba(40, 167, 69, 0.4);
}

.loeschen-btn {
    background: linear-gradient(145deg, #dc3545, #c82333);
}

.loeschen-btn:hover {
    transform: scale(1.06);
    box-shadow: 0 6px 14px rgba(220, 53, 69, 0.4);
}

/* -------------------- RESPONSIVE -------------------- */
@media (max-width: 768px) {
    #buchhaltung-tabelle td:last-child {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
    .speichern-btn, .loeschen-btn {
        font-size: 12px;
        padding: 4px 8px;
        width: 100%;
    }
    table {
        font-size: 12px;
    }
}

/* -------------------- POPUPS / NACHRICHTEN -------------------- */
.nachricht {
    display: none;
    position: fixed;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    padding: 15px 20px;
    border-radius: 8px;
    font-size: 16px;
    z-index: 1000;
    max-width: 90%;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.nachricht.erfolg {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}
.nachricht.fehler {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* -------------------- BESTÄTIGUNGSPOPUP -------------------- */
.confirm-popup {
    display: none;
    position: fixed;
    top: 0;
    bottom: 50vh;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    justify-content: center;
    align-items: center;
    z-index: 1000;
}
.popup-content {
    background-color: #d8eefe;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}
.confirm-btn {
    margin: 10px;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    border: none;
    border-radius: 5px;
}
.confirm-btn:hover {
    background-color: #7c5555;
}
#confirm-yes {
    background-color: #28a745;
    color: white;
}
#confirm-no {
    background-color: #dc3545;
    color: white;
}

/* -------------------- FOOTER -------------------- */
footer {
    text-align: center;
    font-size: 15px;
    font-style: italic;
    margin-top: 20px;
    bottom: 0;
    left: 0;
    right: 0;
    position: fixed;
}

/* -------------------- SCHNEEFLOCKEN -------------------- */
.snowflake {
    color: #e0f7ff;
    font-size: 1em;
    font-family: Arial, sans-serif;
    text-shadow: 0 0 5px #000;
}