/* ===== ASL Number Practice - Ms. Murphy's Class ===== */
/* Soft & Elegant Pink Theme */

/* ===== CSS Custom Properties ===== */
:root {
    /* Colors */
    --bg-primary: #FFF0F5;
    --bg-secondary: #FFE4EC;
    --header-bg: #E91E63;
    --header-bg-dark: #AD1457;
    --btn-primary: #FF69B4;
    --btn-hover: #FF1493;
    --btn-text: #FFFFFF;
    --text-primary: #333333;
    --text-secondary: #666666;
    --accent: #C71585;
    --success: #4CAF50;
    --input-bg: #FFFFFF;
    --input-border: #FFB6C1;
    --link-color: #C71585;
    --card-shadow: rgba(255, 105, 180, 0.2);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 0.75rem;
    --spacing-lg: 1rem;
    --spacing-xl: 1.25rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 10px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

/* ===== Reset & Base Styles ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    display: flex;
    flex-direction: column;
}

.app-wrapper {
    display: flex;
    flex-direction: column;
}

.main-content {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== Header ===== */
.app-header {
    background: linear-gradient(135deg, var(--header-bg), var(--header-bg-dark));
    color: white;
    text-align: center;
    padding: var(--spacing-sm) var(--spacing-md);
    box-shadow: 0 2px 10px var(--card-shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.app-header h1 {
    font-size: 1.3rem;
    font-weight: 600;
    margin: 0;
    letter-spacing: 0.5px;
}

.btn-link {
    text-decoration: none;
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.btn-link:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* ===== Main Container ===== */
.app-container {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    flex: 1;
    justify-content: center;
}

/* ===== Image Display Area ===== */
.display-area {
    text-align: center;
}

.image-container {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xs);
    box-shadow: 0 4px 20px var(--card-shadow);
    display: inline-block;
}

.image-container img {
    width: 250px;
    height: 250px;
    border-radius: var(--radius-md);
    object-fit: contain;
    display: block;
}

/* ===== Controls Row ===== */
.controls-row {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

.controls-row .section-card {
    flex: 1;
}

.info-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    justify-content: center;
}

.info-row .score-display {
    flex: 0 0 auto;
    min-width: 120px;
}

.info-row .date-display {
    margin: 0;
    white-space: nowrap;
}

.info-row .name-section {
    margin: 0;
}

.instructions-card {
    padding: var(--spacing-xs);
}

.instructions-card .instructions {
    padding: var(--spacing-xs);
    font-size: 0.7rem;
}

/* ===== Section Cards ===== */
.section-card {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    box-shadow: 0 2px 12px var(--card-shadow);
}

.section-title {
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

/* ===== Button Styles ===== */
.btn {
    display: inline-block;
    padding: 0.3rem 0.6rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--btn-text);
    background: linear-gradient(135deg, var(--btn-primary), var(--btn-hover));
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 2px 6px rgba(255, 105, 180, 0.3);
    text-transform: capitalize;
    font-family: inherit;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(255, 105, 180, 0.4);
    background: linear-gradient(135deg, var(--btn-hover), var(--accent));
}

.btn:active {
    transform: translateY(0);
}

.btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    justify-content: center;
    margin: var(--spacing-sm) 0;
}

.btn-sm {
    padding: 0.2rem 0.4rem;
    font-size: 0.8rem;
}

/* ===== Input Styles ===== */
.input-field {
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    padding: 0.3rem 0.5rem;
    border: 2px solid var(--input-border);
    border-radius: var(--radius-sm);
    background: var(--input-bg);
    color: var(--text-primary);
    text-align: center;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    width: 140px;
}

.input-field:focus {
    outline: none;
    border-color: var(--btn-primary);
    box-shadow: 0 0 0 2px rgba(255, 105, 180, 0.2);
}

.input-field::placeholder {
    color: #AAAAAA;
    font-weight: 400;
    font-size: 0.85rem;
}

.input-section {
    text-align: center;
    margin: var(--spacing-sm) 0;
}

.input-group {
    display: flex;
    gap: 0.3rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

/* ===== Range Display ===== */
.range-display {
    background: var(--bg-secondary);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-top: var(--spacing-sm);
}

/* ===== Score Display ===== */
.score-display {
    background: linear-gradient(135deg, var(--bg-secondary), #FFD1DC);
    padding: 0.4rem;
    border-radius: var(--radius-sm);
    text-align: center;
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent);
}

/* ===== Date Display ===== */
.date-display {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin: var(--spacing-sm) 0;
}

/* ===== Name Section ===== */
.name-section {
    text-align: center;
}

.name-section .input-field {
    width: 200px;
    font-size: 0.85rem;
}

.name-section .helper-text {
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-top: 0.15rem;
}

/* ===== Instructions ===== */
.instructions {
    background: var(--bg-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.7rem;
    line-height: 1.4;
    text-align: center;
}

.instructions strong {
    color: var(--accent);
}

/* ===== Footer ===== */
.app-footer {
    background: linear-gradient(135deg, var(--header-bg-dark), var(--header-bg));
    color: white;
    padding: var(--spacing-lg);
    text-align: center;
}

.credits {
    max-width: 600px;
    margin: 0 auto;
}

.credits p {
    font-size: 0.75rem;
    margin-bottom: 0.2rem;
    opacity: 0.9;
    display: inline;
}

.credits p::after {
    content: " | ";
    opacity: 0.5;
}

.credits p:last-child::after {
    content: "";
}

.credits .made-for {
    font-weight: 500;
}

.credits .copyright {
    opacity: 0.8;
}

/* ===== Responsive Design ===== */
@media (max-height: 800px) {
    .image-container img {
        width: 200px;
        height: 200px;
    }

    .app-container {
        gap: var(--spacing-sm);
    }
}

@media (max-width: 600px) {
    .app-header {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .app-header h1 {
        font-size: 1.1rem;
    }

    .image-container img {
        width: 180px;
        height: 180px;
    }

    .controls-row {
        flex-direction: column;
    }

    .info-row {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-height: 700px) {
    .image-container img {
        width: 160px;
        height: 160px;
    }

    .section-card {
        padding: var(--spacing-sm);
    }

    .btn {
        padding: 0.2rem 0.4rem;
        font-size: 0.8rem;
    }
}