@import url('https://fonts.googleapis.com/css2?family=Tajawal:wght@400;500;700&display=swap');

:root {
    --qi-primary: #1A237E;
    --qi-secondary: #0D47A1;
    --qi-secondary-background: rgba(146, 190, 255, 0.3);
    --qi-accent: #2196F3;
    --qi-text: #333333;
    --qi-background: #F5F5F5;
    --qi-white: #FFFFFF;
    --qi-error: #D32F2F;
    --qi-success: #388E3C;
    --font-size-small: 0.875rem;  /* 14px */
    --font-size-normal: 1rem;     /* 16px */
    --font-size-medium: 1.125rem; /* 18px */
    --font-size-large: 1.25rem;   /* 20px */
    --font-size-xlarge: 1.5rem;   /* 24px */
    --font-size-xxlarge: 2rem;    /* 32px */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Tajawal', sans-serif;
}

body {
    background-color: var(--qi-background);
    color: var(--qi-text);
    line-height: 1.6;
    font-size: var(--font-size-normal);
}

.container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: var(--qi-white);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

h1 {
    color: var(--qi-primary);
    text-align: center;
    margin-bottom: 2rem;
    font-weight: 700;
    font-size: var(--font-size-xxlarge);
}

h2 {
    color: var(--qi-primary);
    text-align: center;
    margin-top: 3rem;
    margin-bottom: 2rem;
}

.input-group {
    margin-bottom: 1.5rem;
    display: grid;
    grid-template-columns: 2fr 1.5fr 1fr;
    gap: 1rem;
    align-items: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.salary-section {
    margin-bottom: 2rem;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid #E0E0E0;
}

.salary-inputs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.salary-input {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    background-color: var(--qi-white);
    padding: 0.5rem;
    border-radius: 4px;
    min-width: 0;
    width: 100%;
}

label {
    color: var(--qi-primary);
    font-weight: 500;
    font-size: var(--font-size-medium);
    text-align: right;
    white-space: nowrap;
}

.currency {
    color: var(--qi-text);
    font-size: var(--font-size-normal);
    text-align: right;
    opacity: 0.8;
    white-space: nowrap;
}

.amount-input, 
.result, 
input[type="number"],
#averageSalary,
#creditLimit,
#monthlyInstallment,
#fees,
#totalDeduction {
    font-family: "Aktiv Grotesk", sans-serif !important;
    font-weight: 500;
}

.amount-input {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #E0E0E0;
    border-radius: 4px;
    font-size: var(--font-size-large);
    transition: border-color 0.3s ease;
    direction: ltr;
    text-align: left;
}

.amount-input:focus {
    outline: none;
    border-color: var(--qi-accent);
}

.result {
    padding: 0.75rem;
    background-color: #F5F5F5;
    border-radius: 4px;
    font-size: var(--font-size-large);
    direction: ltr;
    text-align: left;
}

#averageSalary, #creditLimit, #monthlyInstallment, #fees {
    /* color: var(--qi-primary); */
    font-weight: 700;
    font-size: var(--font-size-xlarge);
}

input[type="number"] {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #E0E0E0;
    border-radius: 4px;
    font-size: var(--font-size-medium);
    transition: border-color 0.3s ease;
}

input[type="number"]:focus {
    outline: none;
    border-color: var(--qi-accent);
}

button {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    padding: 1rem;
    background-color: var(--qi-primary);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: var(--font-size-medium);
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
    display: block;
}

.download-btn {
    margin-top: 0;
    background-color: transparent;
    border: 2px solid var(--qi-secondary);
    color: var(--qi-secondary);
}


button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.calculate-btn:not(:disabled):hover,.calculate-btn:not(:disabled):focus {
    background-color: var(--qi-accent);
}

.download-btn:not(:disabled):hover,.download-btn:not(:disabled):focus {
    background-color: var(--qi-accent);
    color: var(--qi-white);
}

.validation-message {
    grid-column: 2;
    color: var(--qi-error);
    font-size: var(--font-size-small);
    margin-top: 0.5rem;
    display: none;
    direction: rtl;
}

.validation-text {
    direction: rtl;
}

.validation-number {
    direction: ltr;
    display: inline-block;
    font-family: "Aktiv Grotesk", sans-serif;
    margin: 0 0.25rem;
}

.validation-message.show {
    display: block;
}

.ltr-number {
    direction: ltr;
    display: inline-block;
    unicode-bidi: embed;
}

/* Responsive Design */
/* Mobile - up to 576px */
@media (max-width: 576px) {
    :root {
        --font-size-large: 1.3rem;
        --font-size-medium: 1rem;
        --font-size-small: 0.85rem;
        --padding: 0.7rem;
        --margin: 0.7rem;
    }

    .container {
        padding: 0.8rem;
        margin: 0.5rem;
    }

    .input-group {
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 0.4rem;
        margin-bottom: 0.8rem;
        flex-wrap: wrap;
        max-width: 100%;
        margin: 0.5rem;
    }

    .input-group label {
        font-size: var(--font-size-small);
        width: auto;
        min-width: fit-content;
    }

    .input-group input {
        font-size: var(--font-size-small);
        flex: 1;
    }

    .salary-section {
        margin: 0.5rem;
        padding: 0.8rem;
    }

    .salary-inputs {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
        margin-bottom: 1.5rem;
        max-width: 100%;
        margin: 0;
    }

    .salary-input {
        min-width: 0;
        width: 100%;
    }

    .amount-section {
        padding: 0.8rem;
    }

    .monthly-deduction {
        display: flex !important;
        flex-direction: column;
        gap: 0.5rem;
        padding: 0.5rem;
        /* background-color: #F5F5F5; */
        border-radius: 8px;
    }

    .deduction-item {
        display: flex;
        flex-direction: row;
        align-items: center;
        width: 100%;
        gap: 0.5rem;
        padding: 0.5rem;
        background-color: var(--qi-white);
        border-radius: 4px;
        margin-bottom: 0.5rem;
    }

    .deduction-item:last-child {
        margin-bottom: 0;
    }

    .deduction-item label {
        flex: 1;
        text-align: right;
        font-size: var(--font-size-small);
        padding-right: 0.5rem;
        white-space: nowrap;
    }

    .deduction-item .result {
        flex: 1;
        text-align: left;
        direction: ltr;
        font-size: var(--font-size-small);
        padding-left: 0.5rem;
        white-space: nowrap;
    }

    .plus-sign {
        display: none;
    }

    .deduction-total {
        display: flex;
        flex-direction: row;
        align-items: center;
        width: 100%;
        gap: 0.5rem;
        padding: 0.5rem;
        background-color: var(--qi-white);
        border-radius: 4px;
        border: 2px solid var(--qi-accent);
        margin-top: 0.5rem;
    }

    .deduction-total label {
        flex: 1;
        text-align: right;
        font-size: var(--font-size-small);
        padding-right: 0.5rem;
        white-space: nowrap;
    }

    .deduction-total .result {
        flex: 1;
        text-align: left;
        direction: ltr;
        font-size: var(--font-size-small);
        color: var(--qi-primary);
        font-weight: 700;
        padding-left: 0.5rem;
        white-space: nowrap;
    }

    button {
        max-width: calc(100% - 1rem);
        margin: 0.5rem auto;
    }

    .footer {
        padding: 1rem;
        margin-top: 1.5rem;
    }

    .download-btn {
        margin-top: 0.5rem;
    }
}

/* Tablet - 577px to 991px */
@media (min-width: 577px) and (max-width: 991px) {
    :root {
        --font-size-large: 1.4rem;
        --font-size-medium: 1.1rem;
        --font-size-small: 0.9rem;
        --padding: 0.9rem;
        --margin: 0.9rem;
    }

    .container {
        padding: 1.2rem;
        margin: 1rem;
    }

    .input-group {
        display: grid;
        grid-template-columns: 2fr 1.5fr 1fr;
        gap: 0.9rem;
        max-width: 100%;
        margin: 1rem;
    }

    .salary-section {
        margin: 1rem;
        padding: 1rem;
    }

    .salary-inputs {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
        margin-bottom: 1.5rem;
        max-width: 100%;
        margin: 0;
    }

    .amount-section {
        padding: 1.2rem;
    }

    .monthly-deduction {
        display: grid;
        grid-template-columns: 1fr auto 1fr;
        gap: 0.9rem;
        padding: 1.2rem;
    }

    .deduction-item {
        min-width: 150px;
    }

    button {
        max-width: calc(100% - 2.4rem);
        margin: 1rem auto;
    }

    .footer {
        padding: 1.2rem;
        margin-top: 1.8rem;
    }

    .download-btn {
        margin-top: 0.8rem;
    }
}

/* Desktop - 992px and above */
@media (min-width: 992px) {
    :root {
        --font-size-large: 1.5rem;
        --font-size-medium: 1.2rem;
        --font-size-small: 1rem;
        --padding: 1rem;
        --margin: 1rem;
    }

    .container {
        max-width: 1200px;
        margin: 2rem auto;
        padding: 2rem;
    }

    .input-group {
        max-width: 800px;
        /* margin: 0 auto; */
    }

    .salary-section {
        max-width: 900px;
        margin: 0 auto 2rem;
        padding: 1.5rem;
    }

    .salary-inputs {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
        margin-bottom: 1.5rem;
        max-width: 100%;
        margin: 0;
    }

    .salary-input {
        min-width: 0;
        width: 100%;
    }

    .amount-section {
        max-width: 900px;
        margin: 0 auto;
    }

    .monthly-deduction {
        max-width: 800px;
        margin: 0 auto;
        padding: 1.5rem;
    }

    .deduction-item {
        min-width: 160px;
    }

    .deduction-item .result {
        font-size: var(--font-size-medium);
    }

    .plus-sign {
        font-size: var(--font-size-large);
    }

    button {
        max-width: 900px;
        margin: 0 auto;
    }

    .footer {
        padding: 1.5rem;
        margin-top: 2rem;
    }

    .download-btn {
        margin-top: 1rem;
    }
}

.digit-inputs {
    display: flex;
    gap: 5px;
    align-items: center;
    direction: rtl;
}

.ltr-container {
    direction: ltr;
}

.digit-input {
    width: 40px;
    height: 40px;
    text-align: center;
    font-size: var(--font-size-medium);
    padding: 0;
    border: 1px solid #ddd;
    border-radius: 4px;
    direction: ltr;
}

.digit-input.default-value {
    color: #999;
}

.digit-input:focus {
    border-color: var(--qi-accent);
    outline: none;
}

.digit-input:focus.default-value {
    color: #000;
}

.digit-space {
    width: 15px;
    display: inline-block;
}

/* Hide number input arrows */
.digit-input::-webkit-outer-spin-button,
.digit-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.digit-input[type=number] {
    -moz-appearance: textfield;
}

.amount-input:focus {
    border-color: var(--qi-accent);
    outline: none;
}

.amount-input.default-value {
    color: #999;
}

.amount-input:focus.default-value {
    color: #000;
}

/* Ensure all numeric values are LTR */
#averageSalary,
#creditLimit,
#monthlyInstallment,
#fees {
    direction: ltr;
    text-align: left;
    font-family: monospace;
}

.monthly-deduction {
    display: grid;
    grid-template-columns: auto auto auto;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    /* background-color: #F5F5F5; */
    padding: 1.5rem;
    border-radius: 8px;
    /* border: 1px solid #E0E0E0; */
    align-items: center;
    width: 100%;
}

.deduction-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    background-color: var(--qi-white);
    border-radius: 4px;
    min-width: 0;
    width: 100%;
}

.deduction-item label {
    white-space: nowrap;
    margin: 0;
    flex-shrink: 0;
    min-width: fit-content;
}

.deduction-item .result {
    flex: 1;
    text-align: left;
    font-size: 12px !important;
    white-space: nowrap;
    min-width: 0;
    width: 100%;
}

.plus-sign {
    font-size: var(--font-size-xlarge);
    font-weight: bold;
    color: var(--qi-primary);
    padding: 0 0.5rem;
    flex-shrink: 0;
    text-align: center;
}

.deduction-total {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    padding: 1rem;
    background-color: var(--qi-white);
    border-radius: 4px;
    border: 2px solid var(--qi-accent);
    width: 100%;
}

.deduction-total label {
    white-space: nowrap;
    margin: 0;
}

.deduction-total .result {
    flex: 1;
    text-align: left;
    white-space: nowrap;
    font-size: var(--font-size-xlarge);
    font-weight: 700 !important;
    color: var(--qi-primary);
}

.amount-section {
    margin-bottom: 2rem;
    padding: 1rem;
    /* background-color: #F5F5F5; */
    border-radius: 8px;
    border: 1px solid #E0E0E0;
}

.amount-section .input-group {
    margin-bottom: 1rem;
}

.amount-section .monthly-deduction {
    margin-bottom: 0;
}

.footer {
    text-align: center;
    padding: 1.5rem;
    margin-top: 2rem;
    border-top: 1px solid #E0E0E0;
    direction: rtl;
}

.footer p {
    margin: 0;
    font-size: var(--font-size-small);
    display: inline-block;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* .footer p:not(:last-child)::after {
    content: " | ";
    margin: 0 0.5rem;
    color: var(--qi-text);
} */

.footer a {
    color: var(--qi-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer a:hover {
    color: var(--qi-secondary);
}

.footer img {
    height: 20px;
    width: auto;
}

/* Responsive Design */
/* Mobile - up to 576px */
@media (max-width: 576px) {
    .footer {
        padding: 1rem;
        margin-top: 1.5rem;
    }
    
    .footer img {
        height: 16px;
    }
}

/* Tablet - 577px to 991px */
@media (min-width: 577px) and (max-width: 991px) {
    .footer {
        padding: 1.2rem;
        margin-top: 1.8rem;
    }
    
    .footer img {
        height: 18px;
    }
}

/* Desktop - 992px and above */
@media (min-width: 992px) {
    .footer {
        padding: 1.5rem;
        margin-top: 2rem;
    }
    
    .footer img {
        height: 20px;
    }
}

.button-container {
    display: flex;
    gap: 1rem;
    max-width: 900px;
    margin: 0 auto;
}

.button-container button {
    flex: 1;
    margin: 0;
}

/* Responsive Design */
/* Mobile - up to 576px */
@media (max-width: 576px) {
    .button-container {
        flex-direction: column;
        max-width: calc(100% - 1rem);
        gap: 0.5rem;
    }
}

/* Tablet - 577px to 991px */
@media (min-width: 577px) and (max-width: 991px) {
    .button-container {
        max-width: calc(100% - 2.4rem);
        gap: 0.8rem;
    }
}

/* Desktop - 992px and above */
@media (min-width: 992px) {
    .button-container {
        max-width: 900px;
        gap: 1rem;
    }
}