/**
 * Phone Input Component Styles
 * Professional UI for country flag + dial code + phone number input
 * Strict 9-digit validation with visual feedback
 * 
 * @author TekanayoApp Team
 * @version 2.0.0
 */

/* ===== Phone Input Wrapper ===== */
.phone-input-wrapper {
    position: relative;
}

/* ===== Phone Input Container ===== */
.phone-input-container {
    position: relative;
    display: flex;
    align-items: stretch;
    width: 100%;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    background: white;
}

.phone-input-container:focus-within {
    border-color: #7c3aed;
    box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.1);
}

.phone-input-container.valid {
    border-color: #10b981;
}

.phone-input-container.valid:focus-within {
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
}

.phone-input-container.invalid {
    border-color: #ef4444;
}

.phone-input-container.invalid:focus-within {
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
}

/* ===== Country Selector (Flag + Dial Code) ===== */
.phone-country-selector {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 12px;
    background: #f8fafc;
    border-right: 2px solid #e2e8f0;
    min-width: 110px;
    cursor: pointer;
    transition: background 0.2s ease;
    user-select: none;
}

.phone-country-selector:hover {
    background: #f1f5f9;
}

.phone-country-flag {
    font-size: 24px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.phone-dial-code {
    font-size: 14px;
    font-weight: 600;
    color: #475569;
    white-space: nowrap;
}

.phone-country-arrow {
    font-size: 10px;
    color: #94a3b8;
    margin-left: auto;
    transition: transform 0.2s ease;
}

.phone-input-container:focus-within .phone-country-arrow {
    transform: rotate(180deg);
}

/* ===== Country Dropdown (Custom) ===== */
.phone-country-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    max-height: 300px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
}

.phone-country-dropdown.open {
    display: block;
    animation: dropdownSlide 0.2s ease;
}

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

.phone-country-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    cursor: pointer;
    transition: background 0.15s ease;
}

.phone-country-option:hover {
    background: #f1f5f9;
}

.phone-country-option.selected {
    background: #ede9fe;
    color: #7c3aed;
}

.phone-country-option-flag {
    font-size: 20px;
}

.phone-country-option-name {
    flex: 1;
    font-size: 14px;
    color: #1e293b;
}

.phone-country-option-dial {
    font-size: 13px;
    color: #64748b;
    font-weight: 500;
}

/* ===== Phone Number Input ===== */
.phone-number-input {
    flex: 1;
    border: none;
    outline: none;
    padding: 12px 16px;
    font-size: 16px;
    font-family: inherit;
    background: transparent;
    color: #1e293b;
    letter-spacing: 0.5px;
}

.phone-number-input::placeholder {
    color: #94a3b8;
}

.phone-number-input:focus {
    outline: none;
}

/* Remove spinner buttons for number input */
.phone-number-input::-webkit-inner-spin-button,
.phone-number-input::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

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

/* ===== Character Counter ===== */
.phone-char-counter {
    position: absolute;
    right: 12px;
    bottom: -20px;
    font-size: 11px;
    color: #94a3b8;
    transition: color 0.2s ease;
}

.phone-input-container.valid .phone-char-counter {
    color: #10b981;
}

.phone-input-container.invalid .phone-char-counter {
    color: #ef4444;
}

/* ===== Validation Messages ===== */
.phone-validation-message {
    font-size: 12px;
    margin-top: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
    opacity: 0;
    transform: translateY(-5px);
    transition: all 0.2s ease;
}

.phone-validation-message.visible {
    opacity: 1;
    transform: translateY(0);
}

.phone-validation-message.error {
    color: #ef4444;
}

.phone-validation-message.success {
    color: #10b981;
}

/* ===== Disabled State ===== */
.phone-input-container.disabled {
    opacity: 0.6;
    pointer-events: none;
    background: #f1f5f9;
}

/* ===== Read-only State ===== */
.phone-input-container.readonly {
    background: #f8fafc;
    cursor: not-allowed;
}

/* ===== Responsive Design ===== */
@media (max-width: 640px) {
    .phone-input-container {
        flex-direction: column;
        border-radius: 12px;
    }

    .phone-country-selector {
        border-right: none;
        border-bottom: 2px solid #e2e8f0;
        border-radius: 12px 12px 0 0;
        min-width: 100%;
        justify-content: center;
    }

    .phone-number-input {
        text-align: center;
        padding: 16px;
    }
}

/* ===== Dark Mode Support (Optional) ===== */
@media (prefers-color-scheme: dark) {
    .phone-input-container {
        background: #1e293b;
        border-color: #334155;
    }

    .phone-country-selector {
        background: #0f172a;
        border-right-color: #334155;
    }

    .phone-country-selector:hover {
        background: #1e293b;
    }

    .phone-dial-code {
        color: #cbd5e1;
    }

    .phone-number-input {
        color: #f1f5f9;
    }

    .phone-number-input::placeholder {
        color: #64748b;
    }
}

/* ===== Animation for Invalid State ===== */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.phone-input-container.invalid.shake {
    animation: shake 0.5s ease-in-out;
}

/* ===== Label Styles ===== */
.phone-input-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: #475569;
    margin-bottom: 8px;
}

.phone-input-label i {
    color: #7c3aed;
    font-size: 16px;
}

/* ===== Helper Text ===== */
.phone-helper-text {
    font-size: 12px;
    color: #64748b;
    margin-top: 6px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.phone-helper-text i {
    font-size: 10px;
}