@font-face {
    font-family: 'vazir';
    src: url('../fonts/Vazir-persian-digits-overwrite.eot?#') format('eot'),
         url('../fonts/Vazir-persian-digits-overwrite.woff') format('woff'),
         url('../fonts/Vazir-persian-digits-overwrite.ttf') format('truetype');
}

:root {
    --primary-color: #6c5ce7;
    --primary-light: #a29bfe;
    --secondary-color: #f8f9fa;
    --delete-color: #ff7675;
    --confirm-color: #00b894;
    --text-color: #2d3436;
    --light-text: #636e72;
    --border-color: #dfe6e9;
    --warning-color: #fdcb6e;
    --success-color: #00b894;
    --box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'vazir', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    direction: rtl;
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    background-color: white;
    border-radius: 20px;
    box-shadow: var(--box-shadow);
    width: 95%;
    max-width: 420px;
    padding: 30px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 8px;
    background: linear-gradient(90deg, #6c5ce7, #a29bfe);
    z-index: 2;
}

h2 {
    color: var(--primary-color);
    margin-bottom: 25px;
    font-weight: 700;
    font-size: 1.5rem;
    position: relative;
    padding-bottom: 10px;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #6c5ce7, #a29bfe);
    border-radius: 3px;
}

.step {
    display: none;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.step.active {
    display: block;
}

.phone-input, .birthday-input, .gender-input, .name-input {
    margin-bottom: 25px;
    position: relative;
}

.input-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--light-text);
    text-align: right;
    font-size: 0.9rem;
}

.phone-display, .birthday-display, .name-input input {
    font-size: 1.1rem;
    padding: 15px 20px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    min-height: 60px;
    background-color: var(--secondary-color);
    font-weight: 500;
    transition: var(--transition);
    text-align: center;
    width: 100%;
    color: var(--text-color);
    outline: none;
}

.phone-display:focus, .birthday-display:focus, .name-input input:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.2);
}

.phone-display:empty::before, .birthday-display:empty::before {
    content: attr(data-placeholder);
    color: #aaa;
    font-weight: normal;
}

.phone-display {
    direction: ltr;
    letter-spacing: 1px;
}

.name-input input::placeholder {
    color: #aaa;
    opacity: 1;
}

.keypad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 15px;
}

.key {
    background-color: white;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 18px 0;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-color);
    font-weight: 600;
    position: relative;
    overflow: hidden;
    user-select: none;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.key:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
}

.key:active {
    transform: scale(0.96);
}

.key .sub-text {
    font-size: 0.7rem;
    color: var(--light-text);
    display: block;
    margin-top: 5px;
    font-weight: normal;
}

.key.delete {
    font-family: vazir;
    background-color: var(--delete-color);
    color: white;
    border: none;
    font-size: 1.2rem;
}

.key.confirm {
    font-family: vazir;
    background-color: var(--confirm-color);
    color: white;
    border: none;
    font-size: 1.2rem;
}

.key.back {
    font-family: vazir;
    background-color: var(--warning-color);
    color: white;
    border: none;
    font-size: 1.2rem;
}

.action-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 10px;
}

.zero-key {
    grid-column: 2;
}

.gender-options {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 20px;
}

.gender-option {
    padding: 15px 25px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    flex: 1;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.gender-option:hover {
    background-color: var(--secondary-color);
}

.gender-option.selected {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.gender-option i {
    margin-left: 8px;
    font-size: 1.2rem;
}

.ripple {
    position: absolute;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.7);
    transform: scale(0);
    animation: ripple 0.6s linear;
    pointer-events: none;
}

@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* استایل مودال هشدار */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    backdrop-filter: blur(3px);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background-color: white;
    border-radius: 15px;
    width: 90%;
    max-width: 350px;
    padding: 25px;
    box-shadow: var(--box-shadow);
    transform: translateY(20px);
    transition: var(--transition);
    text-align: center;
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

.modal-icon {
    font-size: 3.5rem;
    margin-bottom: 15px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-icon.success {
    color: var(--success-color);
}

.modal-icon.warning {
    color: var(--warning-color);
}

.modal-icon.error {
    color: var(--delete-color);
}

.modal-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-color);
}

.modal-message {
    color: var(--light-text);
    margin-bottom: 25px;
    line-height: 1.6;
    white-space: pre-line;
    font-size: 0.95rem;
}

.modal-button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 10px;
    padding: 12px 25px;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    font-weight: 500;
    box-shadow: 0 3px 10px rgba(108, 92, 231, 0.3);
}

.modal-button:hover {
    background-color: #5a4bd8;
    transform: translateY(-2px);
}

.modal-button:active {
    transform: translateY(0);
}

/* استایل پیشرفت مراحل */
.progress-steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: 25px;
    position: relative;
}

.progress-steps::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 3px;
    background-color: var(--border-color);
    z-index: 1;
    transform: translateY(-50%);
}

.step-indicator {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light-text);
    font-weight: 700;
    position: relative;
    z-index: 2;
    transition: var(--transition);
}

.step-indicator.active {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 3px 10px rgba(108, 92, 231, 0.3);
}

/* انیمیشن‌های اضافی */
@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.bounce {
    animation: bounce 0.5s ease;
}

/* رسپانسیو برای دستگاه‌های کوچک */
@media (max-width: 480px) {
    .container {
        padding: 25px 15px;
        border-radius: 15px;
    }
    
    h2 {
        font-size: 1.3rem;
    }
    
    .key {
        padding: 15px 0;
        font-size: 1.3rem;
    }
    
    .gender-option {
        padding: 12px 15px;
    }
}