/* === THE BRAND COLORS === */
:root {
    --primary-green: #93C572; /* QMana Pistachio Green */
    --primary-dark: #7ab059;  /* Darker green for 3D shadows */
    --bg-color: #f7f9fa;
    --card-bg: #ffffff;
    --text-main: #3c3c3c;
    --danger-red: #ff4b4b;
    --danger-dark: #cc0000;
}

/* === GENERAL SETUP === */
* {
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    margin: 0;
    display: flex;
    justify-content: center;
    height: 100vh;
}

/* === MOBILE-FIRST CONTAINER === */
#app-container {
    width: 100%;
    max-width: 480px; /* Keeps it looking like a phone screen on desktop */
    background-color: var(--card-bg);
    height: 100%;
    display: flex;
    flex-direction: column;
    box-shadow: 0 0 20px rgba(0,0,0,0.05);
    position: relative; /* REQUIRED FOR DRAWER: Anchors the absolute positioned drawer */
    overflow-x: hidden; /* REQUIRED FOR DRAWER: Hides the drawer when it's off-screen */
}

/* === HEADER & LOGO === */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 2px solid #e5e5e5;
}

.logo {
    color: var(--primary-green);
    margin: 0;
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -1px;
    cursor: pointer;
    transition: opacity 0.2s;
}

.logo:hover {
    opacity: 0.8;
}

#hearts-container {
    font-size: 20px;
    letter-spacing: 2px;
}

main {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto; /* Allows main content to scroll independently */
}

h2 {
    text-align: center;
    color: var(--text-main);
    margin-bottom: 20px;
}

/* === INPUT FIELDS === */
input {
    width: 100%;
    padding: 15px;
    margin-bottom: 15px;
    border: 2px solid #e5e5e5;
    border-radius: 12px;
    font-size: 16px;
    outline: none;
    transition: border 0.2s;
}

input:focus {
    border-color: var(--primary-green);
}

/* === GAMIFIED BUTTONS === */
button {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 16px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    background-color: var(--primary-green);
    color: white;
    box-shadow: 0 4px 0 var(--primary-dark);
    transition: transform 0.1s, box-shadow 0.1s;
    margin-bottom: 15px;
}

button:active {
    transform: translateY(4px);
    box-shadow: 0 0 0 var(--primary-dark);
}

button.danger {
    background-color: var(--danger-red);
    box-shadow: 0 4px 0 var(--danger-dark);
}

button.success {
    background-color: var(--primary-green);
}

/* İkincil Buton Stili (Ana Sayfa / Reset Butonları İçin) */
button.secondary {
    background-color: #f0f0f0;
    color: #555;
    border: 2px solid #e5e5e5;
    box-shadow: 0 4px 0 #dcdcdc;
}

button.secondary:active {
    transform: translateY(4px);
    box-shadow: none;
}

/* === FLASHCARD 3D DESIGN === */
#flashcard-container {
    perspective: 1000px;
    width: 100%;
    min-height: 250px;
    margin-bottom: 20px;
    flex-grow: 1;
}

#flashcard {
    width: 100%;
    height: 100%;
    position: relative;
    transition: transform 0.6s cubic-bezier(0.4, 0.2, 0.2, 1);
    transform-style: preserve-3d;
    cursor: pointer;
}

#flashcard.is-flipped {
    transform: rotateY(180deg);
}

.card-face {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border: 2px solid #e5e5e5;
    border-radius: 24px;
    background-color: var(--card-bg);
    padding: 20px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.card-front {
    transform: rotateY(0deg);
    z-index: 2;
}

.card-back {
    transform: rotateY(180deg);
}

/* === PRACTICE & STUDY SCREEN LAYOUT === */
#practice-screen, #study-screen {
    display: flex;
    flex-direction: column;
    height: 100%; 
}

#study-screen {
    overflow: hidden;
}

#study-list {
    flex-grow: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-bottom: 10px;
}

.study-item {
    background-color: var(--card-bg);
    border: 2px solid #e5e5e5;
    border-radius: 16px;
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.2s, border-color 0.2s;
}

.study-item.got-it {
    border-color: var(--primary-green);
    background-color: #eaf5e4;
}

.study-item.needs-review {
    border-color: var(--danger-red);
    background-color: #ffeaea;
}

.study-turkish {
    font-size: 16px;
    color: #777;
    margin-top: 5px;
}

/* === İLERLEME VE MENÜ TASARIMI === */
.set-row-btn {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    background-color: var(--card-bg);
    border: 2px solid #e5e5e5;
    color: var(--text-main);
    padding: 15px 20px;
    margin-bottom: 12px;
    border-radius: 16px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 4px 0 #e5e5e5;
    transition: all 0.1s ease;
}

.set-row-btn:active {
    transform: translateY(4px);
    box-shadow: none;
}

/* === SES BUTONU TASARIMI === */
.icon-btn {
    background: none;
    border: none;
    font-size: 32px;
    cursor: pointer;
    margin-top: 15px;
    box-shadow: none;
    transition: transform 0.1s;
    padding: 10px;
}

.icon-btn:active {
    transform: scale(0.85);
    box-shadow: none;
}

/* === GOOGLE LOGIN BUTTON === */
.google-btn {
    display: flex;
    align-items: center;
    background-color: white;
    color: #333;
    border: 1px solid #ccc;
    padding: 10px 20px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: background-color 0.2s;
}

.google-btn:hover {
    background-color: #f1f1f1;
}

/* === ARABIC FONT STYLES === */
#arabic-word {
    font-family: 'Scheherazade New', serif;
    font-size: 64px; 
    font-weight: 700;
    line-height: 1.6;
    text-align: center;
    color: var(--text-main);
    margin: 0;
}

#turkish-meaning {
    font-size: 32px;
    color: var(--primary-green);
    font-weight: bold;
    margin: 0;
}

.study-arabic {
    font-family: 'Scheherazade New', serif;
    font-size: 36px; 
    font-weight: 700;
    line-height: 1.5;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    color: var(--text-main);
}

/* === QUIZ FEATURE STYLES === */
.quiz-setting-group {
    margin-bottom: 20px;
}

.quiz-setting-group h3 {
    font-size: 16px;
    color: #555;
    margin-bottom: 10px;
}

.radio-btn {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    background: white;
    border: 2px solid #e5e5e5;
    border-radius: 12px;
    padding: 10px 5px;
    cursor: pointer;
    font-weight: bold;
    font-size: 14px;
    text-align: center;
    transition: all 0.2s;
}

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

.radio-btn:has(input:checked) {
    background-color: var(--primary-green);
    color: white;
    border-color: var(--primary-dark);
}

.quiz-option-btn {
    background-color: white;
    color: var(--text-main);
    border: 2px solid #e5e5e5;
    box-shadow: 0 4px 0 #e5e5e5;
    font-size: 20px;
    padding: 15px;
    border-radius: 16px;
    transition: all 0.2s;
}

.quiz-option-btn:active {
    transform: none;
    box-shadow: 0 4px 0 #e5e5e5; 
}

.quiz-option-btn.correct {
    background-color: var(--primary-green) !important;
    color: white !important;
    border-color: var(--primary-dark) !important;
    box-shadow: 0 4px 0 var(--primary-dark) !important;
}

.quiz-option-btn.wrong {
    background-color: var(--danger-red) !important;
    color: white !important;
    border-color: var(--danger-dark) !important;
    box-shadow: 0 4px 0 var(--danger-dark) !important;
}

/* === SET SEÇİM GRİDİ (4x4) === */
#quiz-set-checkboxes {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    max-height: 250px;
    overflow-y: auto;
    padding: 5px;
}

.set-grid-box {
    display: flex;
    justify-content: center;
    align-items: center;
    background: white;
    border: 2px solid #e5e5e5;
    border-radius: 10px;
    padding: 8px 4px;
    cursor: pointer;
    font-weight: bold;
    font-size: 15px;
    transition: all 0.2s;
    color: var(--text-main);
    user-select: none;
    text-align: center;
}

.set-grid-box:has(input:checked) {
    background-color: var(--primary-green);
    color: white;
    border-color: var(--primary-dark);
    box-shadow: 0 3px 0 var(--primary-dark);
    transform: translateY(-2px);
}

/* ========================================= */
/* === PROFILE DRAWER & SETTINGS STYLES  === */
/* ========================================= */

#profile-open-btn {
    width: 45px;          /* Stops it from stretching! */
    height: 45px;         /* Keeps it perfectly square */
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;   /* Makes it a sleek circle */
    font-size: 22px;
    background-color: transparent; 
    color: var(--text-main);
    border: 2px solid #e5e5e5; 
    box-shadow: none;     /* Removes the heavy 3D shadow for a lighter look */
    transition: transform 0.2s ease, background-color 0.2s;
}

#profile-open-btn:hover {
    background-color: #f0f0f0;
}

#profile-open-btn:active {
    transform: scale(0.9);
    box-shadow: none;
}

#profile-close-btn {
    transition: color 0.2s, transform 0.2s;
    width: auto;
    padding: 5px;
    margin: 0;
    box-shadow: none;
    background: transparent;
}

#profile-close-btn:hover {
    color: var(--danger-red) !important;
    transform: scale(1.1);
}

#profile-close-btn:active {
    transform: scale(0.9);
    box-shadow: none;
}

/* Select Dropdown Styling */
select {
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23777' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 1em;
}

select:focus {
    border-color: var(--primary-green) !important;
    box-shadow: 0 0 0 3px rgba(147, 197, 114, 0.2);
}

select:hover {
    border-color: #ccc;
}

/* ========================================= */
/* === GECE MODU (DARK MODE)             === */
/* ========================================= */
body.dark-mode {
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --text-main: #e0e0e0;
}

body.dark-mode input, 
body.dark-mode select {
    background-color: #2c2c2c;
    color: #e0e0e0;
    border-color: #444;
}

body.dark-mode .set-row-btn, 
body.dark-mode .study-item, 
body.dark-mode .quiz-option-btn, 
body.dark-mode .set-grid-box,
body.dark-mode .card-face,
body.dark-mode #google-login-btn {
    background-color: #1e1e1e !important;
    border-color: #333 !important;
    color: #e0e0e0 !important;
    box-shadow: 0 4px 0 #333 !important;
}

body.dark-mode .quiz-option-btn:active, 
body.dark-mode .set-row-btn:active {
    box-shadow: none !important;
}

/* Fix text colors that should stay green */
body.dark-mode #turkish-meaning,
body.dark-mode #global-fc-back-text {
    color: var(--primary-green) !important;
}

/* Study items in Dark Mode */
body.dark-mode .study-item.needs-review {
    background-color: #3d1c1c !important; /* Darker red */
    border-color: var(--danger-red) !important;
}
body.dark-mode .study-item.got-it {
    background-color: #1a2e1a !important; /* Darker green */
    border-color: var(--primary-green) !important;
}

body.dark-mode header,
body.dark-mode #profile-drawer {
    border-color: #333;
}

body.dark-mode hr {
    border-top-color: #444 !important;
}

/* Radio buttons in Dark Mode */
body.dark-mode .radio-btn {
    background: #2c2c2c;
    border-color: #444;
    color: #e0e0e0;
}
body.dark-mode .radio-btn:has(input:checked) {
    background-color: var(--primary-green);
    color: #fff;
    border-color: var(--primary-dark);
}