/* Import a modern font from Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600&display=swap');

/* --- NEUMORPHIC DESIGN VARIABLES & SETUP --- */
:root {
    --bg-color: #e0e5ec;
    --primary-color: #5b87e3;
    --text-color: #5e6879;
    --shadow-light: #ffffff;
    --shadow-dark: #a3b1c6;
    --radius: 12px;
}

body {
    font-family: 'Poppins', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: var(--bg-color);
    margin: 0;
    padding: 20px;
    box-sizing: border-box;
    color: var(--text-color);
}

.main-container {
    text-align: center;
}

.page-title {
    font-weight: 600;
    font-size: 2.5em;
    margin-bottom: 20px;
    color: var(--text-color);
    text-shadow: 2px 2px 4px var(--shadow-dark), 
                 -2px -2px 4px var(--shadow-light);
}

/* --- MAIN CALENDAR CONTAINER --- */
.calendar-container {
    width: 450px;
    background-color: var(--bg-color);
    border-radius: 20px;
    padding: 25px;
    box-shadow: 10px 10px 20px var(--shadow-dark), -10px -10px 20px var(--shadow-light);
}

/* --- HEADER STYLES --- */
.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.month-picker {
    cursor: pointer;
    font-weight: 600;
    font-size: 1.3em;
}

.nav-btn {
    width: 45px;
    height: 45px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--bg-color);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 6px 6px 12px var(--shadow-dark), -6px -6px 12px var(--shadow-light);
    transition: box-shadow 0.2s ease-in-out;
}
.nav-btn:hover {
    box-shadow: 4px 4px 8px var(--shadow-dark), -4px -4px 8px var(--shadow-light);
}
.nav-btn:active {
    box-shadow: inset 4px 4px 8px var(--shadow-dark), inset -4px -4px 8px var(--shadow-light);
}
.nav-btn span { color: var(--text-color); font-size: 1.5em; }

/* --- TOOLBAR & WEEKDAYS --- */
.toolbar {
    margin-bottom: 15px;
    text-align: right;
}

#today-btn {
    padding: 10px 20px;
    border-radius: var(--radius);
    background: var(--bg-color);
    border: none;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-color);
    box-shadow: 6px 6px 12px var(--shadow-dark), -6px -6px 12px var(--shadow-light);
    transition: all 0.2s ease-in-out;
}
#today-btn:active {
    box-shadow: inset 4px 4px 8px var(--shadow-dark), inset -4px -4px 8px var(--shadow-light);
}

.weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    margin-bottom: 10px;
    font-weight: 600;
}
.weekdays div { text-align: center; }

/* --- CALENDAR DAYS --- */
.days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
}

.day {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 5px;
    min-height: 70px;
    cursor: pointer;
    border-radius: var(--radius);
    transition: all 0.2s ease-in-out;
}
.day:hover:not(.empty) {
    box-shadow: 4px 4px 8px var(--shadow-dark), -4px -4px 8px var(--shadow-light);
}

.day span {
    width: 28px;
    height: 28px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Day states */
.day .current-day {
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    box-shadow: 4px 4px 8px #4868b1, -4px -4px 8px #7c9dff;
}
.days .selected-day {
    box-shadow: inset 4px 4px 8px var(--shadow-dark), inset -4px -4px 8px var(--shadow-light);
}
.empty {
    cursor: default;
}

/* --- ENTRIES --- */
.entries-container {
    width: 100%;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 3px;
    margin-top: 5px;
}
.entry {
    color: white;
    padding: 2px 5px;
    border-radius: 3px;
    font-size: 0.7em;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: left;
}
.entry-event { background-color: #5b87e3; }
.entry-task { background-color: #3d9970; }
.entry-reminder { background-color: #ff851b; }


/* --- FOOTER --- */
.page-footer {
    position: absolute;
    bottom: 10px;
    width: 100%;
    text-align: center;
}
.page-footer p {
    color: var(--text-color);
    font-size: 0.9em;
    opacity: 0.8;
    text-shadow: 1px 1px 2px var(--shadow-dark), 
                 -1px -1px 2px var(--shadow-light);
}

/* --- MODALS (Shared Styles) --- */
.overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none; z-index: 99;
}
.overlay.visible { display: block; }

.modal {
    position: fixed;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg-color);
    padding: 25px;
    border-radius: 20px;
    box-shadow: 10px 10px 20px var(--shadow-dark), -10px -10px 20px var(--shadow-light);
    z-index: 100;
    display: none;
}
.modal.visible { display: block; }

.close-btn {
    position: absolute;
    top: 15px; right: 20px;
    font-size: 1.5em;
    cursor: pointer;
    color: var(--text-color);
}

/* --- DATE SELECTOR MODAL --- */
#date-selector {
    width: 300px;
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}
#date-selector.visible { display: flex; }

.selector-inputs {
    display: flex;
    gap: 10px;
    width: 100%;
}

#date-selector select, 
#date-selector input {
    font-family: 'Poppins', sans-serif;
    border: none;
    padding: 12px;
    border-radius: var(--radius);
    background-color: var(--bg-color);
    box-shadow: inset 4px 4px 8px var(--shadow-dark), 
                inset -4px -4px 8px var(--shadow-light);
    color: var(--text-color);
    box-sizing: border-box;
    flex-grow: 1;
    width: 50%;
}

#go-to-date-btn {
    border: none;
    padding: 12px 25px;
    border-radius: var(--radius);
    color: var(--text-color);
    font-weight: 600;
    cursor: pointer;
    background-color: var(--bg-color);
    box-shadow: 6px 6px 12px var(--shadow-dark), 
                -6px -6px 12px var(--shadow-light);
    transition: all 0.2s ease-in-out;
}
#go-to-date-btn:active {
    box-shadow: inset 4px 4px 8px var(--shadow-dark), 
                inset -4px -4px 8px var(--shadow-light);
}

/* --- ADD ENTRY MODAL --- */
#add-entry-modal {
    width: 350px;
}

.modal-content {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.modal-content h2 { margin: 0; text-align: center; }
.modal-content p { margin: 0; text-align: center; font-size: 0.9em; }

.entry-type-selector {
    display: flex;
    justify-content: space-around;
    border-radius: var(--radius);
    padding: 5px;
    box-shadow: inset 4px 4px 8px var(--shadow-dark), inset -4px -4px 8px var(--shadow-light);
}

.entry-type-selector input[type="radio"] {
    display: none;
}

.entry-type-selector label {
    padding: 8px 12px;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s ease-in-out;
    width: 100%;
    text-align: center;
}

.entry-type-selector input[type="radio"]:checked + label {
    color: var(--primary-color);
    font-weight: 600;
    box-shadow: 4px 4px 8px var(--shadow-dark), -4px -4px 8px var(--shadow-light);
}

#entry-title-input {
    border: none;
    padding: 12px;
    border-radius: var(--radius);
    background-color: var(--bg-color);
    box-shadow: inset 4px 4px 8px var(--shadow-dark), inset -4px -4px 8px var(--shadow-light);
    font-family: 'Poppins', sans-serif;
    color: var(--text-color);
    font-size: 1em;
}

#save-entry-btn {
    border: none;
    padding: 12px;
    border-radius: var(--radius);
    color: var(--primary-color);
    font-weight: 600;
    cursor: pointer;
    font-size: 1em;
    background-color: var(--bg-color);
    box-shadow: 6px 6px 12px var(--shadow-dark), -6px -6px 12px var(--shadow-light);
    transition: all 0.2s ease-in-out;
}
#save-entry-btn:active {
    box-shadow: inset 4px 4px 8px var(--shadow-dark), inset -4px -4px 8px var(--shadow-light);
}