:root {
    --primary-color: #F2C94C;
    --primary-hover-color: #E0B438;
    --available-color: #E8F5E9;
    --available-hover-color: #C8E6C9;
    --available-text-color: #388E3C;
    --disabled-color: #F7F7F7;
    --past-color: #E0E0E0;
    --background-color: #F7F7F7;
    --container-bg-color: #FFFFFF;
    --text-dark: #333333;
    --text-medium: #555555;
    --text-light: #828282;:root {
    --primary-color: #F2C94C;
    --primary-hover-color: #E0B438;
    --available-color: #E8F5E9;
    --available-hover-color: #C8E6C9;
    --available-text-color: #388E3C;
    --disabled-color: #F7F7F7;
    --past-color: #E0E0E0;
    --background-color: #F7F7F7;
    --container-bg-color: #FFFFFF;
    --text-dark: #333333;
    --text-medium: #555555;
    --text-light: #828282;
    --border-color: #E0E0E0;
    --shadow-color: rgba(0, 0, 0, 0.08);
}

body {
    font-family: 'Nunito', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--background-color);
    color: var(--text-dark);
    line-height: 1.6;
}

header {
    background-color: var(--container-bg-color);
    color: var(--text-dark);
    padding: 1.5rem 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

h1 { font-size: 2.2rem; font-weight: 700; margin: 0; }
h2 { font-size: 1.8rem; font-weight: 600; color: var(--text-dark); margin-bottom: 1.5rem; padding-bottom: 0.8rem; border-bottom: 1px solid var(--border-color); margin-top: 0; }
h3 { font-size: 1.4rem; font-weight: 600; color: var(--text-dark); }

.container {
    display: flex;
    max-width: 1200px;
    margin: 2.5rem auto;
    background-color: var(--container-bg-color);
    border-radius: 16px;
    box-shadow: 0 8px 24px var(--shadow-color);
    overflow: hidden;
}

.container-content {
    display: flex;
    width: 100%;
}

.sidebar { flex: 0 0 320px; padding: 2.5rem; background-color: #FAFAFA; border-right: 1px solid var(--border-color); }
.main-content { flex: 1; padding: 2.5rem; min-width: 0; }

.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; margin-bottom: 0.6rem; font-weight: 600; color: var(--text-medium); font-size: 0.9rem; }
.form-group input[type="text"], .form-group select { width: 100%; padding: 12px 15px; border: 1px solid var(--border-color); border-radius: 8px; font-size: 1rem; font-family: 'Nunito', sans-serif; color: var(--text-dark); background-color: white; transition: border-color 0.2s ease, box-shadow 0.2s ease; box-sizing: border-box; }
.form-group input::placeholder { color: #BDBDBD; }
.form-group input[type="text"]:focus, .form-group select:focus { border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(242, 201, 76, 0.3); outline: none; }

.checkbox-group { display: flex; align-items: center; margin-top: 1.5rem; border-top: 1px solid var(--border-color); padding-top: 1.5rem; }
.checkbox-group input[type="checkbox"] { margin-right: 10px; width: 18px; height: 18px; cursor: pointer; }
.checkbox-group label { margin-bottom: 0; font-weight: 600; color: var(--text-medium); cursor: pointer; }

.form-text-info { font-size: 0.8rem; color: var(--text-light); display: block; margin-top: 5px; }

button#reserveButton { background-color: var(--primary-color); color: var(--text-dark); padding: 14px 30px; border: none; border-radius: 8px; font-size: 1.1rem; font-weight: 700; cursor: pointer; transition: background-color 0.3s ease, transform 0.2s ease; margin-top: 2rem; width: 100%; }
button#reserveButton:hover { background-color: var(--primary-hover-color); transform: translateY(-2px); }
button#reserveButton:disabled { background-color: #E0E0E0; color: var(--text-light); cursor: not-allowed; transform: translateY(0); }

#reservationStatus { margin-top: 1.5rem; padding: 12px 18px; border-radius: 8px; font-weight: 600; display: none; font-size: 0.95rem; }
#reservationStatus.success { background-color: #D4EDDA; color: #155724; border: 1px solid #C3E6CB; }
#reservationStatus.error { background-color: #F8D7DA; color: #721C24; border: 1px solid #F5C6CB; }

.time-slot-calendar { margin-top: 1.5rem; background-color: var(--container-bg-color); border: 1px solid var(--border-color); border-radius: 12px; padding: 20px; min-height: 350px; }
.calendar-navigation { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; padding-bottom: 15px; border-bottom: 1px solid var(--border-color); }
.calendar-navigation h3 { margin: 0; font-size: 1.2rem; font-weight: 700; color: var(--text-dark); text-align: center; flex-grow: 1; }
.calendar-navigation button { background-color: #E0E0E0; color: var(--text-dark); border: none; padding: 8px 14px; border-radius: 6px; cursor: pointer; font-size: 0.9em; font-weight: 600; transition: background-color 0.2s ease; }
.calendar-navigation button:hover { background-color: #BDBDBD; }

.calendar-grid-table { width: 100%; border-collapse: collapse; table-layout: fixed; }
.calendar-grid-table th, .calendar-grid-table td { border: 1px solid var(--border-color); padding: 2px; text-align: center; vertical-align: top; word-break: break-word; }
.calendar-grid-table th { background-color: #FAFAFA; font-weight: 600; padding: 10px 4px; color: var(--text-medium); font-size: 0.85em; }
.time-label { background-color: #FAFAFA; font-weight: 600; color: var(--text-light); width: 60px; padding: 8px 5px; font-size: 0.85em; vertical-align: middle; }

.time-block { height: 35px; display: flex; align-items: center; justify-content: center; transition: all 0.2s ease; font-size: 0.8em; font-weight: 600; border-radius: 4px; }
.time-block:not(.disabled):not(.past) { background-color: var(--available-color); color: var(--available-text-color); border: 1px solid transparent; cursor: pointer; }
.time-block:not(.disabled):not(.past):hover:not(.selected) { background-color: var(--available-hover-color); border-color: #81C784; transform: scale(1.05); }
.time-block.selected { background-color: var(--primary-color); color: var(--text-dark); border-color: var(--primary-hover-color); font-weight: 700; transform: scale(1.05); }
.time-block.disabled { background-color: transparent; color: #E0E0E0; cursor: not-allowed; border: 1px dashed #f0f0f0; }
.time-block.past { background-color: var(--past-color); color: #9E9E9E; cursor: not-allowed; border: 1px solid #BDBDBD; text-decoration: line-through; }

/* --- Style dla edycji stałego grafiku w panelu korepetytora (WIDOK PC) --- */
.day-row {
    display: grid;
    grid-template-columns: 120px 1fr;
    align-items: center;
    gap: 1.5rem;
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}
.day-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
}
.day-label {
    font-weight: 700;
    font-size: 1.1rem;
    text-align: left;
}
.time-inputs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: flex-end;
}
.time-inputs input[type="time"] {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 12px;
    font-family: 'Nunito', sans-serif;
    font-size: 1rem;
    width: 120px;
}

/* === NOWA REGUŁA: Ukryj mobilny kontener kalendarza domyślnie === */
#calendar-mobile-container {
    display: none;
}

footer { text-align: center; padding: 1.5rem; background-color: var(--text-dark); color: #FFF; margin-top: 2.5rem; font-size: 0.9rem; }

/* ======================================== */
/* === REGUŁY DLA URZĄDZEŃ MOBILNYCH === */
/* ======================================== */

@media (max-width: 992px) {
    
    /* --- OGÓLNY UKŁAD --- */
    .container-content {
        flex-direction: column;
    }
    .sidebar {
        flex: 1 1 auto;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    .container,
    .dashboard-container,
    .edit-container,
    .panel-container {
        margin: 0;
        padding: 1.5rem;
        max-width: 100%;
        box-sizing: border-box;
        box-shadow: none;
        border-radius: 0;
        background-color: var(--background-color);
    }
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.5rem; }
    .confirmation-container h1 { font-size: 1.5rem; }

    /* --- PANEL KLIENTA (moje-lekcje.html) --- */
    .lesson-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    .lesson-actions {
        width: 100%;
        justify-content: flex-end;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    /* --- PANEL KOREPETYTORA (panel-korepetytora.html) --- */
    
    /* Poprawka nawigacji kalendarza */
    .calendar-navigation button {
        padding: 6px 10px;
        font-size: 0.8rem;
    }
    .calendar-navigation h3 {
        font-size: 1rem;
        margin: 0 0.5rem;
    }
    
    /* Poprawka edycji stałego grafiku */
    .day-row {
        display: grid; 
        grid-template-columns: 50px 1fr; 
        align-items: center;
        gap: 0.5rem; 
        padding-bottom: 1.5rem;
        margin-bottom: 1.5rem;
        border-bottom: 1px solid var(--border-color);
    }
    .day-label {
        margin-bottom: 0; 
        text-align: left; 
        font-size: 1rem;
    }
    .time-inputs {
        justify-content: flex-start; 
    }
    
    .time-inputs input[type="time"] {
        width: 100px;
        padding: 6px 8px;
        font-size: 0.9rem;
    }

    /* Przełączanie widoków kalendarza */
    .calendar-wrapper {
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .time-slot-calendar { 
        display: none !important; /* Ukrywamy siatkę kalendarza PC */
    }
    #calendar-mobile-container {
        display: block !important; /* Pokazujemy listę mobilną */
        padding: 0;
        min-height: 200px;
        margin-top: 1.5rem;
    }

    /* Style dla nowego, mobilnego widoku listy */
    .mobile-day-card {
        background-color: var(--container-bg-color);
        border: 1px solid var(--border-color);
        border-radius: 8px;
        margin-bottom: 1rem;
        padding: 1rem;
    }
    .mobile-day-card h4 {
        margin: 0 0 1rem 0;
        padding-bottom: 0.75rem;
        border-bottom: 1px solid var(--border-color);
        font-size: 1.1rem;
    }
    .mobile-day-card .time-block {
        padding: 0.75rem;
        margin-bottom: 0.5rem;
        text-align: center;
        border-radius: 6px;
    }
    .mobile-day-card .time-block:not([style*="cursor: not-allowed"]) {
        cursor: pointer;
        transition: transform 0.2s ease, box-shadow 0.2s ease;
    }
    .mobile-day-card .time-block:not([style*="cursor: not-allowed"]):hover {
        transform: scale(1.02);
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    }
}
    --border-color: #E0E0E0;
    --shadow-color: rgba(0, 0, 0, 0.08);
}

body {
    font-family: 'Nunito', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--background-color);
    color: var(--text-dark);
    line-height: 1.6;
}

header {
    background-color: var(--container-bg-color);
    color: var(--text-dark);
    padding: 1.5rem 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

h1 { font-size: 2.2rem; font-weight: 700; margin: 0; }
h2 { font-size: 1.8rem; font-weight: 600; color: var(--text-dark); margin-bottom: 1.5rem; padding-bottom: 0.8rem; border-bottom: 1px solid var(--border-color); margin-top: 0; }
h3 { font-size: 1.4rem; font-weight: 600; color: var(--text-dark); }

.container {
    display: flex;
    max-width: 1200px;
    margin: 2.5rem auto;
    background-color: var(--container-bg-color);
    border-radius: 16px;
    box-shadow: 0 8px 24px var(--shadow-color);
    overflow: hidden;
}

.container-content {
    display: flex;
    width: 100%;
}

.sidebar { flex: 0 0 320px; padding: 2.5rem; background-color: #FAFAFA; border-right: 1px solid var(--border-color); }
.main-content { flex: 1; padding: 2.5rem; min-width: 0; }

.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; margin-bottom: 0.6rem; font-weight: 600; color: var(--text-medium); font-size: 0.9rem; }
.form-group input[type="text"], .form-group select { width: 100%; padding: 12px 15px; border: 1px solid var(--border-color); border-radius: 8px; font-size: 1rem; font-family: 'Nunito', sans-serif; color: var(--text-dark); background-color: white; transition: border-color 0.2s ease, box-shadow 0.2s ease; box-sizing: border-box; }
.form-group input::placeholder { color: #BDBDBD; }
.form-group input[type="text"]:focus, .form-group select:focus { border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(242, 201, 76, 0.3); outline: none; }

.checkbox-group { display: flex; align-items: center; margin-top: 1.5rem; border-top: 1px solid var(--border-color); padding-top: 1.5rem; }
.checkbox-group input[type="checkbox"] { margin-right: 10px; width: 18px; height: 18px; cursor: pointer; }
.checkbox-group label { margin-bottom: 0; font-weight: 600; color: var(--text-medium); cursor: pointer; }

.form-text-info { font-size: 0.8rem; color: var(--text-light); display: block; margin-top: 5px; }

button#reserveButton { background-color: var(--primary-color); color: var(--text-dark); padding: 14px 30px; border: none; border-radius: 8px; font-size: 1.1rem; font-weight: 700; cursor: pointer; transition: background-color 0.3s ease, transform 0.2s ease; margin-top: 2rem; width: 100%; }
button#reserveButton:hover { background-color: var(--primary-hover-color); transform: translateY(-2px); }
button#reserveButton:disabled { background-color: #E0E0E0; color: var(--text-light); cursor: not-allowed; transform: translateY(0); }

#reservationStatus { margin-top: 1.5rem; padding: 12px 18px; border-radius: 8px; font-weight: 600; display: none; font-size: 0.95rem; }
#reservationStatus.success { background-color: #D4EDDA; color: #155724; border: 1px solid #C3E6CB; }
#reservationStatus.error { background-color: #F8D7DA; color: #721C24; border: 1px solid #F5C6CB; }

.time-slot-calendar { margin-top: 1.5rem; background-color: var(--container-bg-color); border: 1px solid var(--border-color); border-radius: 12px; padding: 20px; min-height: 350px; }
.calendar-navigation { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; padding-bottom: 15px; border-bottom: 1px solid var(--border-color); }
.calendar-navigation h3 { margin: 0; font-size: 1.2rem; font-weight: 700; color: var(--text-dark); text-align: center; flex-grow: 1; }
.calendar-navigation button { background-color: #E0E0E0; color: var(--text-dark); border: none; padding: 8px 14px; border-radius: 6px; cursor: pointer; font-size: 0.9em; font-weight: 600; transition: background-color 0.2s ease; }
.calendar-navigation button:hover { background-color: #BDBDBD; }

.calendar-grid-table { width: 100%; border-collapse: collapse; table-layout: fixed; }
.calendar-grid-table th, .calendar-grid-table td { border: 1px solid var(--border-color); padding: 2px; text-align: center; vertical-align: top; word-break: break-word; }
.calendar-grid-table th { background-color: #FAFAFA; font-weight: 600; padding: 10px 4px; color: var(--text-medium); font-size: 0.85em; }
.time-label { background-color: #FAFAFA; font-weight: 600; color: var(--text-light); width: 60px; padding: 8px 5px; font-size: 0.85em; vertical-align: middle; }

.time-block { height: 35px; display: flex; align-items: center; justify-content: center; transition: all 0.2s ease; font-size: 0.8em; font-weight: 600; border-radius: 4px; }
.time-block:not(.disabled):not(.past) { background-color: var(--available-color); color: var(--available-text-color); border: 1px solid transparent; cursor: pointer; }
.time-block:not(.disabled):not(.past):hover:not(.selected) { background-color: var(--available-hover-color); border-color: #81C784; transform: scale(1.05); }
.time-block.selected { background-color: var(--primary-color); color: var(--text-dark); border-color: var(--primary-hover-color); font-weight: 700; transform: scale(1.05); }
.time-block.disabled { background-color: transparent; color: #E0E0E0; cursor: not-allowed; border: 1px dashed #f0f0f0; }
.time-block.past { background-color: var(--past-color); color: #9E9E9E; cursor: not-allowed; border: 1px solid #BDBDBD; text-decoration: line-through; }

/* --- Style dla edycji stałego grafiku w panelu korepetytora (WIDOK PC) --- */
.day-row {
    display: grid;
    grid-template-columns: 120px 1fr;
    align-items: center;
    gap: 1.5rem;
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}
.day-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
}
.day-label {
    font-weight: 700;
    font-size: 1.1rem;
    text-align: left;
}
.time-inputs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: flex-end;
}
.time-inputs input[type="time"] {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 12px;
    font-family: 'Nunito', sans-serif;
    font-size: 1rem;
    width: 120px;
}

#calendar-mobile-container {
    display: none;
}


footer { text-align: center; padding: 1.5rem; background-color: var(--text-dark); color: #FFF; margin-top: 2.5rem; font-size: 0.9rem; }

/* ======================================== */
/* === REGUŁY DLA URZĄDZEŃ MOBILNYCH === */
/* ======================================== */

@media (max-width: 992px) {
    
    /* --- OGÓLNY UKŁAD --- */
    .container-content {
        flex-direction: column;
    }
    .sidebar {
        flex: 1 1 auto;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    .container,
    .dashboard-container,
    .edit-container,
    .panel-container {
        margin: 0;
        padding: 1.5rem;
        max-width: 100%;
        box-sizing: border-box;
        box-shadow: none;
        border-radius: 0;
        background-color: var(--background-color);
    }
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.5rem; }
    .confirmation-container h1 { font-size: 1.5rem; }

    /* --- PANEL KLIENTA (moje-lekcje.html) --- */
    .lesson-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    .lesson-actions {
        width: 100%;
        justify-content: flex-end;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    /* --- PANEL KOREPETYTORA (panel-korepetytora.html) --- */
    
    /* Poprawka nawigacji kalendarza */
    .calendar-navigation button {
        padding: 6px 10px;
        font-size: 0.8rem;
    }
    .calendar-navigation h3 {
        font-size: 1rem;
        margin: 0 0.5rem;
    }
    
    /* Poprawka edycji stałego grafiku */
    .day-row {
        display: block;
        grid-template-columns: none;
        text-align: center;
        gap: 1rem;
    }
    .day-label {
        margin-bottom: 1rem;
        text-align: center; /* DODANO */
    }
    .time-inputs {
        justify-content: center;
    }
    /* NOWA REGUŁA ZMNIEJSZAJĄCA POLA CZASU */
    .time-inputs input[type="time"] {
        width: 100px;
        padding: 6px 8px;
        font-size: 0.9rem;
    }

    /* Przełączanie widoków kalendarza */
    .calendar-wrapper {
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    #calendar-container .calendar-grid-table {
        display: none;
    }
    #calendar-mobile-container {
        display: none;
    }

    /* Style dla nowego, mobilnego widoku listy */
    .mobile-day-card {
        background-color: var(--container-bg-color);
        border: 1px solid var(--border-color);
        border-radius: 8px;
        margin-bottom: 1rem;
        padding: 1rem;
    }
    .mobile-day-card h4 {
        margin: 0 0 1rem 0;
        padding-bottom: 0.75rem;
        border-bottom: 1px solid var(--border-color);
    }
    .mobile-day-card .time-block {
        padding: 0.75rem;
        margin-bottom: 0.5rem;
        text-align: left;
        border-radius: 6px;
    }
    .mobile-day-card .time-block:not([style*="cursor: not-allowed"]) {
        cursor: pointer;
        transition: transform 0.2s ease, box-shadow 0.2s ease;
    }
    .mobile-day-card .time-block:not([style*="cursor: not-allowed"]):hover {
        transform: scale(1.02);
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    }
}:root {
    --primary-color: #F2C94C;
    --primary-hover-color: #E0B438;
    --available-color: #E8F5E9;
    --available-hover-color: #C8E6C9;
    --available-text-color: #388E3C;
    --disabled-color: #F7F7F7;
    --past-color: #E0E0E0;
    --background-color: #F7F7F7;
    --container-bg-color: #FFFFFF;
    --text-dark: #333333;
    --text-medium: #555555;
    --text-light: #828282;
    --border-color: #E0E0E0;
    --shadow-color: rgba(0, 0, 0, 0.08);
}

body {
    font-family: 'Nunito', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--background-color);
    color: var(--text-dark);
    line-height: 1.6;
}

header {
    background-color: var(--container-bg-color);
    color: var(--text-dark);
    padding: 1.5rem 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

h1 { font-size: 2.2rem; font-weight: 700; margin: 0; }
h2 { font-size: 1.8rem; font-weight: 600; color: var(--text-dark); margin-bottom: 1.5rem; padding-bottom: 0.8rem; border-bottom: 1px solid var(--border-color); margin-top: 0; }
h3 { font-size: 1.4rem; font-weight: 600; color: var(--text-dark); }

.container {
    display: flex;
    max-width: 1200px;
    margin: 2.5rem auto;
    background-color: var(--container-bg-color);
    border-radius: 16px;
    box-shadow: 0 8px 24px var(--shadow-color);
    overflow: hidden;
}

.container-content {
    display: flex;
    width: 100%;
}

.sidebar { flex: 0 0 320px; padding: 2.5rem; background-color: #FAFAFA; border-right: 1px solid var(--border-color); }
.main-content { flex: 1; padding: 2.5rem; min-width: 0; }

.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; margin-bottom: 0.6rem; font-weight: 600; color: var(--text-medium); font-size: 0.9rem; }
.form-group input[type="text"], .form-group select { width: 100%; padding: 12px 15px; border: 1px solid var(--border-color); border-radius: 8px; font-size: 1rem; font-family: 'Nunito', sans-serif; color: var(--text-dark); background-color: white; transition: border-color 0.2s ease, box-shadow 0.2s ease; box-sizing: border-box; }
.form-group input::placeholder { color: #BDBDBD; }
.form-group input[type="text"]:focus, .form-group select:focus { border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(242, 201, 76, 0.3); outline: none; }

.checkbox-group { display: flex; align-items: center; margin-top: 1.5rem; border-top: 1px solid var(--border-color); padding-top: 1.5rem; }
.checkbox-group input[type="checkbox"] { margin-right: 10px; width: 18px; height: 18px; cursor: pointer; }
.checkbox-group label { margin-bottom: 0; font-weight: 600; color: var(--text-medium); cursor: pointer; }

.form-text-info { font-size: 0.8rem; color: var(--text-light); display: block; margin-top: 5px; }

button#reserveButton { background-color: var(--primary-color); color: var(--text-dark); padding: 14px 30px; border: none; border-radius: 8px; font-size: 1.1rem; font-weight: 700; cursor: pointer; transition: background-color 0.3s ease, transform 0.2s ease; margin-top: 2rem; width: 100%; }
button#reserveButton:hover { background-color: var(--primary-hover-color); transform: translateY(-2px); }
button#reserveButton:disabled { background-color: #E0E0E0; color: var(--text-light); cursor: not-allowed; transform: translateY(0); }

#reservationStatus { margin-top: 1.5rem; padding: 12px 18px; border-radius: 8px; font-weight: 600; display: none; font-size: 0.95rem; }
#reservationStatus.success { background-color: #D4EDDA; color: #155724; border: 1px solid #C3E6CB; }
#reservationStatus.error { background-color: #F8D7DA; color: #721C24; border: 1px solid #F5C6CB; }

.time-slot-calendar { margin-top: 1.5rem; background-color: var(--container-bg-color); border: 1px solid var(--border-color); border-radius: 12px; padding: 20px; min-height: 350px; }
.calendar-navigation { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; padding-bottom: 15px; border-bottom: 1px solid var(--border-color); }
.calendar-navigation h3 { margin: 0; font-size: 1.2rem; font-weight: 700; color: var(--text-dark); text-align: center; flex-grow: 1; }
.calendar-navigation button { background-color: #E0E0E0; color: var(--text-dark); border: none; padding: 8px 14px; border-radius: 6px; cursor: pointer; font-size: 0.9em; font-weight: 600; transition: background-color 0.2s ease; }
.calendar-navigation button:hover { background-color: #BDBDBD; }

.calendar-grid-table { width: 100%; border-collapse: collapse; table-layout: fixed; }
.calendar-grid-table th, .calendar-grid-table td { border: 1px solid var(--border-color); padding: 2px; text-align: center; vertical-align: top; word-break: break-word; }
.calendar-grid-table th { background-color: #FAFAFA; font-weight: 600; padding: 10px 4px; color: var(--text-medium); font-size: 0.85em; }
.time-label { background-color: #FAFAFA; font-weight: 600; color: var(--text-light); width: 60px; padding: 8px 5px; font-size: 0.85em; vertical-align: middle; }

.time-block { height: 35px; display: flex; align-items: center; justify-content: center; transition: all 0.2s ease; font-size: 0.8em; font-weight: 600; border-radius: 4px; }
.time-block:not(.disabled):not(.past) { background-color: var(--available-color); color: var(--available-text-color); border: 1px solid transparent; cursor: pointer; }
.time-block:not(.disabled):not(.past):hover:not(.selected) { background-color: var(--available-hover-color); border-color: #81C784; transform: scale(1.05); }
.time-block.selected { background-color: var(--primary-color); color: var(--text-dark); border-color: var(--primary-hover-color); font-weight: 700; transform: scale(1.05); }
.time-block.disabled { background-color: transparent; color: #E0E0E0; cursor: not-allowed; border: 1px dashed #f0f0f0; }
.time-block.past { background-color: var(--past-color); color: #9E9E9E; cursor: not-allowed; border: 1px solid #BDBDBD; text-decoration: line-through; }

/* --- Style dla edycji stałego grafiku w panelu korepetytora (WIDOK PC) --- */
.day-row {
    display: grid;
    grid-template-columns: 120px 1fr;
    align-items: center;
    gap: 1.5rem;
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}
.day-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
}
.day-label {
    font-weight: 700;
    font-size: 1.1rem;
    text-align: left;
}
.time-inputs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: flex-end;
}
.time-inputs input[type="time"] {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 12px;
    font-family: 'Nunito', sans-serif;
    font-size: 1rem;
    width: 120px;
}

footer { text-align: center; padding: 1.5rem; background-color: var(--text-dark); color: #FFF; margin-top: 2.5rem; font-size: 0.9rem; }

/* ... (pozostała część pliku bez zmian) */

/* ======================================== */
/* === REGUŁY DLA URZĄDZEŃ MOBILNYCH === */
/* ======================================== */

@media (max-width: 992px) {
    
    /* --- OGÓLNY UKŁAD --- */
    .container-content, .edit-container {
        flex-direction: column;
    }
    .sidebar, .details-panel, .calendar-panel {
        flex: 1 1 auto;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: 1.5rem;
    }
    .container, .dashboard-container, .edit-container, .panel-container {
        margin: 0;
        padding: 1.5rem;
        max-width: 100%;
        box-sizing: border-box;
        box-shadow: none;
        border-radius: 0;
        background-color: var(--background-color);
    }
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.5rem; }
    .confirmation-container h1 { font-size: 1.5rem; }

    /* --- PANEL KLIENTA (moje-lekcje.html) --- */
    .lesson-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    .lesson-actions {
        width: 100%;
        justify-content: flex-end;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    /* --- WIDOKI KALENDARZA (Wszystkie strony) --- */
    #calendar-container, .time-slot-calendar { 
        display: none !important;
    }
    #calendar-mobile-container {
        display: block !important;
        padding: 0;
        min-height: 200px;
        margin-top: 1.5rem;
        background-color: transparent;
        border: none;
        box-shadow: none;
    }
    .calendar-navigation button {
        padding: 6px 10px;
        font-size: 0.8rem;
    }
    .calendar-navigation h3 {
        font-size: 1rem;
        margin: 0 0.5rem;
    }

    /* --- PANEL KOREPETYTORA - EDYCJA GRAFIKU --- */
    .day-row {
        display: block; /* Ustawienie na block, aby siatka nie obowiązywała */
        text-align: center; /* Wyśrodkowanie zawartości */
        gap: 0.5rem; 
        padding-bottom: 1.5rem;
        margin-bottom: 1.5rem;
        border-bottom: 1px solid var(--border-color);
    }
    .day-label {
        display: none; /* UKRYWAMY ETYKIETĘ DNIA */
    }
    .time-inputs {
        justify-content: center; /* Wyśrodkowanie pól czasu */
    }
    .time-inputs input[type="time"] {
        width: 100px;
        padding: 6px 8px;
        font-size: 0.9rem;
    }
    
    /* --- PANEL KOREPETYTORA - WIDOK KALENDARZA --- */
    .calendar-wrapper {
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    /* Reguła ukrywająca siatkę PC jest już wyżej, więc nie trzeba jej powtarzać */
}