/* ===== ASL Number Practice - Ms. Murphy's ASL ===== */
/* Matching Homepage Premium Theme */

/* ===== CSS Custom Properties ===== */
:root {
    /* Colors */
    --bg-primary: #FFF5F8;
    --bg-secondary: #FFEAEE;
    --header-bg: #FF2A75;
    --header-bg-dark: #D81159;
    --btn-primary: #FF3366;
    --btn-hover: #E6004C;
    --btn-text: #FFFFFF;
    --text-primary: #1A1A1A;
    --text-secondary: #595959;
    --accent: #D81159;
    --success: #10B981;
    --input-bg: #FFFFFF;
    --input-border: #FFD1DC;
    --link-color: #D81159;
    --card-shadow: rgba(216, 17, 89, 0.08);
    --card-shadow-hover: rgba(216, 17, 89, 0.15);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 0.75rem;
    --spacing-lg: 1.25rem;
    --spacing-xl: 2rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html,
body {
    height: 100%;
}

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    background-image:
        radial-gradient(circle at 15% 50%, rgba(255, 234, 238, 0.8), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(255, 192, 203, 0.3), transparent 25%);
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.app-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    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-md) var(--spacing-xl);
    box-shadow: 0 4px 15px rgba(216, 17, 89, 0.2);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.app-header h1 {
    font-size: 1.4rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.5px;
}

.header-nav {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.btn-link {
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.4rem 0.8rem;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    color: white;
    transition: all var(--transition-fast);
    backdrop-filter: blur(4px);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-link:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-1px);
}

/* ===== Main Container ===== */
.app-container {
    max-width: 680px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    flex: 1;
    justify-content: center;
}

/* ===== Image Display Area ===== */
.display-area {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.image-container {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm);
    box-shadow: 0 8px 24px var(--card-shadow);
    display: flex;
    justify-content: center;
    align-items: center;
    border: 4px solid var(--bg-secondary);
}

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

/* ===== Section Cards ===== */
.section-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: 0 8px 24px var(--card-shadow);
    border: 1px solid rgba(255, 209, 220, 0.4);
}

.section-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

/* ===== Controls Row ===== */
.controls-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

/* ===== Range Display ===== */
.range-display {
    background: var(--bg-secondary);
    padding: 0.3rem 0.6rem;
    border-radius: var(--radius-sm);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: var(--spacing-sm);
    font-weight: 500;
}

/* ===== Info Row ===== */
.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 15px var(--card-shadow);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.info-row .score-display {
    flex: 0 0 auto;
}

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

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

/* ===== Instructions Card ===== */
.instructions-card {
    background: var(--bg-secondary);
    border: none;
    box-shadow: none;
    padding: var(--spacing-md) var(--spacing-xl);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.instructions-card .instructions {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

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

/* ===== Button Styles ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.2rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--btn-text);
    background: var(--btn-primary);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 10px rgba(255, 51, 102, 0.2);
    text-transform: capitalize;
    font-family: inherit;
    letter-spacing: 0.3px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(255, 51, 102, 0.3);
    background: var(--btn-hover);
}

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

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

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
}

/* ===== Input Styles ===== */
.input-field {
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    padding: 0.6rem 1rem;
    border: 2px solid var(--input-border);
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all var(--transition-fast);
    width: 140px;
}

.input-field:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(216, 17, 89, 0.1);
    background-color: white;
}

.input-field::placeholder {
    color: #AAAAAA;
    font-weight: 400;
    font-size: 0.9rem;
}

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

.input-group {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}

/* ===== Score Display ===== */
.score-display {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent);
    background: var(--bg-secondary);
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-sm);
}

/* ===== Date Display ===== */
.date-display {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
}

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

.name-section .input-field {
    width: 180px;
    font-size: 0.9rem;
}

.name-section .helper-text {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.2rem;
}

/* ===== Footer ===== */
.app-footer {
    background: white;
    border-top: 1px solid var(--input-border);
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    margin-top: auto;
}

.credits {
    max-width: 600px;
    margin: 0 auto;
    color: var(--text-secondary);
}

.credits p {
    font-size: 0.85rem;
    margin-bottom: 0.3rem;
}

.credits .made-for {
    font-weight: 600;
    color: var(--text-primary);
}

.credits .copyright {
    opacity: 0.7;
    font-size: 0.75rem;
}

/* ===== Responsive Design ===== */

/* Large Desktop (1200px+) */
@media (min-width: 1200px) {
    .app-container {
        max-width: 750px;
    }

    .image-container img {
        width: 280px;
        height: 280px;
    }
}

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) and (min-width: 769px) {
    .app-container {
        max-width: 600px;
    }

    .image-container img {
        width: 220px;
        height: 220px;
    }
}

/* Mobile (768px and below) */
@media (max-width: 768px) {
    .app-header {
        flex-direction: column;
        gap: var(--spacing-sm);
        padding: var(--spacing-md);
    }

    .header-nav {
        flex-wrap: wrap;
        justify-content: center;
    }

    .controls-row {
        grid-template-columns: 1fr;
    }

    .info-row {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }

    .name-section {
        display: flex;
        justify-content: center;
    }
}

/* Small phone (600px and below) */
@media (max-width: 600px) {
    .app-header h1 {
        font-size: 1.1rem;
    }

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

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

    .input-field {
        width: 100%;
        max-width: 200px;
    }

    .name-section .input-field {
        max-width: 180px;
    }

    .range-display {
        font-size: 0.8rem;
    }
}

/* Very small phones (360px and below) */
@media (max-width: 360px) {
    .image-container img {
        width: 150px;
        height: 150px;
    }

    .btn {
        font-size: 0.8rem;
        padding: 0.4rem 0.7rem;
    }
}

/* Tall screens adjustment */
@media (max-height: 800px) {
    .image-container img {
        width: 200px;
        height: 200px;
    }

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

/* Short screens (landscape phones) */
@media (max-height: 700px) {
    .image-container img {
        width: 160px;
        height: 160px;
    }

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

    .app-container {
        justify-content: flex-start;
        padding-top: var(--spacing-md);
    }
}

/* Very short screens */
@media (max-height: 600px) {
    .image-container img {
        width: 130px;
        height: 130px;
    }

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

/* Safe area for notched devices */
@supports (padding: max(0px)) {
    .app-header {
        padding-left: max(var(--spacing-md), env(safe-area-inset-left));
        padding-right: max(var(--spacing-md), env(safe-area-inset-right));
    }

    .app-footer {
        padding-bottom: max(var(--spacing-lg), env(safe-area-inset-bottom));
        padding-left: max(var(--spacing-lg), env(safe-area-inset-left));
        padding-right: max(var(--spacing-lg), env(safe-area-inset-right));
    }
}