/* =============================================
   Charisma Service Form - Frontend Styles
   Author: فرشاد ابوالفتحی
   ============================================= */

:root {
    --csf-blue-dark:    #0D47A1;
    --csf-blue:         #1565C0;
    --csf-blue-mid:     #1976D2;
    --csf-blue-light:   #42A5F5;
    --csf-blue-pale:    #E3F2FD;
    --csf-orange-dark:  #E65100;
    --csf-orange:       #FF6F00;
    --csf-orange-mid:   #FF8F00;
    --csf-orange-light: #FFB300;
    --csf-orange-pale:  #FFF3E0;
    --csf-white:        #FFFFFF;
    --csf-gray-50:      #FAFAFA;
    --csf-gray-100:     #F5F5F5;
    --csf-gray-200:     #EEEEEE;
    --csf-gray-400:     #BDBDBD;
    --csf-gray-600:     #757575;
    --csf-gray-800:     #424242;
    --csf-text:         #212121;
    --csf-error:        #D32F2F;
    --csf-success:      #2E7D32;
    --csf-radius:       14px;
    --csf-radius-sm:    8px;
    --csf-shadow:       0 8px 32px rgba(21, 101, 192, 0.15);
    --csf-shadow-hover: 0 12px 40px rgba(21, 101, 192, 0.25);
    --csf-transition:   0.28s cubic-bezier(.4,0,.2,1);
    --csf-font:         'Vazirmatn', 'Tahoma', 'Arial', sans-serif;
}

/* ---- Wrapper ---- */
.csf-wrapper {
    font-family: var(--csf-font);
    direction: rtl;
    text-align: right;
    box-sizing: border-box;
    max-width: 560px;
    margin: 32px auto;
    padding: 0 16px;
}

.csf-wrapper *,
.csf-wrapper *::before,
.csf-wrapper *::after {
    box-sizing: border-box;
}

/* ---- Form card ---- */
.csf-form-container {
    background: var(--csf-white);
    border-radius: var(--csf-radius);
    box-shadow: var(--csf-shadow);
    overflow: hidden;
    border: 1.5px solid var(--csf-blue-pale);
}

/* ---- Header ---- */
.csf-form-header {
    background: linear-gradient(135deg, var(--csf-blue-dark) 0%, var(--csf-blue-mid) 60%, var(--csf-blue-light) 100%);
    padding: 36px 32px 28px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.csf-form-header::before {
    content: '';
    position: absolute;
    top: -40px;
    left: -40px;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
}

.csf-form-header::after {
    content: '';
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(255,111,0,0.12);
}

.csf-header-logo {
    display: block;
    margin: 0 auto 14px;
    position: relative;
    z-index: 1;
}

.csf-header-logo img {
    display: block;
    max-width: 170px;
    height: auto;
    margin: 0 auto;
    border-radius: 6px;
}

.csf-form-title {
    color: var(--csf-white) !important;
    font-size: 1.45rem !important;
    font-weight: 700 !important;
    margin: 0 0 8px !important;
    padding: 0 !important;
    font-family: var(--csf-font) !important;
    border: none !important;
    position: relative;
    z-index: 1;
    line-height: 1.4 !important;
}

.csf-form-subtitle {
    color: rgba(255,255,255,0.8) !important;
    font-size: 0.92rem !important;
    margin: 0 !important;
    padding: 0 !important;
    position: relative;
    z-index: 1;
}

/* ---- Form body ---- */
#csf-service-form {
    padding: 28px 28px 32px;
}

/* ---- Field group ---- */
.csf-field-group {
    margin-bottom: 22px;
}

.csf-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--csf-gray-800);
    margin-bottom: 8px;
}

.csf-label-icon {
    font-size: 1rem;
    line-height: 1;
}

.csf-required {
    color: var(--csf-orange);
    font-size: 1rem;
    font-weight: 700;
    margin-right: 2px;
}

/* ---- Select ---- */
.csf-select-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.csf-select {
    width: 100%;
    padding: 13px 16px 13px 40px;
    font-size: 0.95rem;
    font-family: var(--csf-font);
    color: var(--csf-text);
    background: var(--csf-gray-50);
    border: 2px solid var(--csf-gray-200);
    border-radius: var(--csf-radius-sm);
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    transition: border-color var(--csf-transition), box-shadow var(--csf-transition), background var(--csf-transition);
    direction: rtl;
}

.csf-select:focus {
    outline: none;
    border-color: var(--csf-blue);
    background: var(--csf-white);
    box-shadow: 0 0 0 4px rgba(21,101,192,0.1);
}

.csf-select-arrow {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%) rotate(-90deg);
    color: var(--csf-blue-mid);
    font-size: 1.4rem;
    pointer-events: none;
    line-height: 1;
}

/* ---- Input ---- */
.csf-input {
    width: 100%;
    padding: 13px 16px;
    font-size: 0.95rem;
    font-family: var(--csf-font);
    color: var(--csf-text);
    background: var(--csf-gray-50);
    border: 2px solid var(--csf-gray-200);
    border-radius: var(--csf-radius-sm);
    transition: border-color var(--csf-transition), box-shadow var(--csf-transition), background var(--csf-transition);
    direction: rtl;
}

.csf-input.csf-ltr {
    direction: ltr;
    text-align: left;
}

.csf-input:focus {
    outline: none;
    border-color: var(--csf-blue);
    background: var(--csf-white);
    box-shadow: 0 0 0 4px rgba(21,101,192,0.1);
}

.csf-input::placeholder {
    color: var(--csf-gray-400);
}

/* Focus-valid state */
.csf-input.csf-valid,
.csf-select.csf-valid {
    border-color: var(--csf-success);
}

.csf-input.csf-invalid,
.csf-select.csf-invalid {
    border-color: var(--csf-error);
    background: #FFF8F8;
}

/* ---- Error message ---- */
.csf-error {
    color: var(--csf-error);
    font-size: 0.8rem;
    margin-top: 5px;
    min-height: 16px;
    display: none;
}

.csf-error.csf-show {
    display: block;
    animation: csf-shake 0.3s ease-in-out;
}

@keyframes csf-shake {
    0%,100% { transform: translateX(0); }
    25%      { transform: translateX(-4px); }
    75%      { transform: translateX(4px); }
}

/* ---- Submit button ---- */
.csf-btn-primary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 15px 24px;
    font-size: 1rem;
    font-family: var(--csf-font);
    font-weight: 700;
    color: var(--csf-white);
    background: linear-gradient(135deg, var(--csf-orange-dark), var(--csf-orange-mid));
    border: none;
    border-radius: var(--csf-radius-sm);
    cursor: pointer;
    transition: transform var(--csf-transition), box-shadow var(--csf-transition), background var(--csf-transition);
    box-shadow: 0 4px 16px rgba(255,111,0,0.35);
    margin-top: 8px;
    position: relative;
    overflow: hidden;
}

.csf-btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--csf-orange-mid), var(--csf-orange-light));
    opacity: 0;
    transition: opacity var(--csf-transition);
}

.csf-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255,111,0,0.45);
}

.csf-btn-primary:hover::before {
    opacity: 1;
}

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

.csf-btn-text,
.csf-btn-icon {
    position: relative;
    z-index: 1;
}

.csf-btn-icon {
    font-size: 1.2rem;
    transition: transform var(--csf-transition);
}

.csf-btn-primary:hover .csf-btn-icon {
    transform: translateX(-4px);
}

/* ---- Overlay ---- */
.csf-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

/* ---- Popup ---- */
.csf-popup {
    background: var(--csf-white);
    border-radius: var(--csf-radius);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    padding: 0;
    box-shadow: 0 24px 80px rgba(0,0,0,0.35);
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s cubic-bezier(.34,1.56,.64,1);
}

.csf-overlay.csf-active .csf-popup {
    transform: scale(1) translateY(0);
}

/* ---- Popup close ---- */
.csf-popup-close {
    position: absolute;
    top: 14px;
    left: 14px;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 1.5px solid var(--csf-gray-200);
    background: var(--csf-white);
    color: var(--csf-gray-600);
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--csf-transition), color var(--csf-transition), border-color var(--csf-transition);
    z-index: 2;
    line-height: 1;
}

.csf-popup-close:hover {
    background: #FFEBEE;
    color: var(--csf-error);
    border-color: var(--csf-error);
}

/* ---- Popup header ---- */
.csf-popup-header {
    background: linear-gradient(135deg, var(--csf-blue-dark) 0%, var(--csf-blue-mid) 100%);
    padding: 30px 28px 24px;
    text-align: center;
    border-radius: var(--csf-radius) var(--csf-radius) 0 0;
}

.csf-popup-check {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    font-size: 1.8rem;
    color: var(--csf-white);
    margin-bottom: 12px;
    animation: csf-check-pop 0.4s cubic-bezier(.34,1.56,.64,1);
}

@keyframes csf-check-pop {
    0%   { transform: scale(0); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.csf-popup-header h3 {
    color: var(--csf-white) !important;
    font-size: 1.2rem !important;
    font-weight: 700 !important;
    font-family: var(--csf-font) !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
}

/* ---- Summary box ---- */
.csf-summary-box {
    margin: 20px 24px;
    background: var(--csf-blue-pale);
    border-radius: var(--csf-radius-sm);
    border: 1.5px solid #BBDEFB;
    overflow: hidden;
}

.csf-summary-row {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    gap: 10px;
    border-bottom: 1px solid #BBDEFB;
}

.csf-summary-row:last-child {
    border-bottom: none;
}

.csf-summary-label {
    font-size: 0.85rem;
    color: var(--csf-gray-600);
    font-weight: 600;
    white-space: nowrap;
    min-width: 140px;
}

.csf-summary-value {
    font-size: 0.95rem;
    color: var(--csf-text);
    font-weight: 700;
}

.csf-summary-value.csf-ltr {
    direction: ltr;
}

/* ---- Channel prompt ---- */
.csf-channel-prompt {
    text-align: center;
    font-size: 0.9rem;
    color: var(--csf-gray-600);
    padding: 0 24px;
    margin: 4px 0 16px !important;
}

/* ---- Channel buttons ---- */
.csf-channel-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 0 24px 24px;
}

.csf-channel-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 14px 20px;
    border-radius: var(--csf-radius-sm);
    border: 2px solid transparent;
    font-size: 0.97rem;
    font-family: var(--csf-font);
    font-weight: 700;
    cursor: pointer;
    transition: transform var(--csf-transition), box-shadow var(--csf-transition), filter var(--csf-transition);
    text-decoration: none;
}

.csf-channel-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
    filter: brightness(1.05);
}

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

/* Telegram */
.csf-telegram-btn {
    background: linear-gradient(135deg, #0088CC, #229ED9);
    color: var(--csf-white);
}

/* WhatsApp */
.csf-whatsapp-btn {
    background: linear-gradient(135deg, #128C7E, #25D366);
    color: var(--csf-white);
}

/* SMS */
.csf-sms-btn {
    background: linear-gradient(135deg, var(--csf-orange-dark), var(--csf-orange-mid));
    color: var(--csf-white);
}

/* ---- Success message ---- */
.csf-popup-success {
    background: #E8F5E9;
    border: 1.5px solid #A5D6A7;
    border-radius: var(--csf-radius-sm);
    margin: 0 24px 24px;
    padding: 14px 18px;
    color: var(--csf-success);
    font-size: 0.92rem;
    font-weight: 600;
    text-align: center;
}

.csf-popup-success p {
    margin: 0 !important;
    padding: 0 !important;
}

/* ---- LTR helper ---- */
.csf-ltr {
    direction: ltr;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 600px) {
    .csf-wrapper {
        margin: 16px auto;
        padding: 0 8px;
    }

    .csf-form-header {
        padding: 28px 20px 22px;
    }

    .csf-form-title {
        font-size: 1.2rem !important;
    }

    .csf-header-icon {
        width: 60px;
        height: 60px;
    }

    #csf-service-form {
        padding: 20px 18px 24px;
    }

    .csf-popup {
        max-width: 100%;
        border-radius: var(--csf-radius) var(--csf-radius) 0 0;
        margin-bottom: 0;
    }

    .csf-overlay {
        align-items: flex-end;
        padding: 0;
    }

    .csf-summary-label {
        min-width: 110px;
        font-size: 0.8rem;
    }

    .csf-popup-header {
        padding: 24px 20px 18px;
        border-radius: var(--csf-radius) var(--csf-radius) 0 0;
    }

    .csf-summary-box {
        margin: 16px 16px;
    }

    .csf-channel-buttons {
        padding: 0 16px 20px;
    }

    .csf-channel-prompt {
        padding: 0 16px;
    }
}

@media (max-width: 380px) {
    .csf-form-title {
        font-size: 1.05rem !important;
    }

    .csf-btn-primary {
        font-size: 0.9rem;
    }

    .csf-channel-btn {
        font-size: 0.88rem;
        padding: 12px 14px;
    }
}