@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --sdp-primary: #2563EB;
    --sdp-primary-hover: #1D4ED8;
    --sdp-primary-light: #EFF6FF;
    --sdp-success: #16A34A;
    --sdp-success-light: #F0FDF4;
    --sdp-danger: #DC2626;
    --sdp-bg: #F8FAFC;
    --sdp-card: #FFFFFF;
    --sdp-border: #E5E7EB;
    --sdp-text: #111827;
    --sdp-subtitle: #6B7280;
    --sdp-font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --sdp-radius: 14px;
    --sdp-radius-sm: 10px;
    --sdp-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    --sdp-shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.08);
    --sdp-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Wrapper */
.sdp-donation-form-wrapper {
    max-width: 520px;
    margin: 0 auto;
    font-family: var(--sdp-font);
    color: var(--sdp-text);
}

.sdp-form-card {
    background: var(--sdp-card);
    border-radius: var(--sdp-radius);
    box-shadow: var(--sdp-shadow);
    overflow: hidden;
    border: 1px solid var(--sdp-border);
}

/* Campaign Header */
.sdp-form-header {
    padding: 28px 32px 0;
    text-align: center;
}

.sdp-form-header h3 {
    font-size: 20px;
    font-weight: 600;
    margin: 0 0 8px;
    letter-spacing: -0.02em;
}

.sdp-form-header p {
    color: var(--sdp-subtitle);
    font-size: 14px;
    margin: 0;
}

/* Progress Ring */
.sdp-goal-ring-wrap {
    display: flex;
    justify-content: center;
    padding: 24px;
}

.sdp-progress-ring { position: relative; width: 100px; height: 100px; }
.sdp-progress-ring svg { transform: rotate(-90deg); width: 100%; height: 100%; }
.sdp-progress-ring circle { fill: none; stroke-width: 8; }
.sdp-progress-ring .ring-bg { stroke: var(--sdp-bg); }
.sdp-progress-ring .ring-fill { stroke: var(--sdp-primary); stroke-linecap: round; transition: stroke-dashoffset 1.2s ease; }
.sdp-progress-ring-text {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; font-weight: 700; color: var(--sdp-primary);
}

/* Step Indicator */
.sdp-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 24px 32px;
    border-bottom: 1px solid var(--sdp-border);
}

.sdp-step {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--sdp-subtitle);
    transition: color var(--sdp-transition);
}

.sdp-step.is-active { color: var(--sdp-primary); }
.sdp-step.is-done { color: var(--sdp-success); }

.sdp-step-num {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid var(--sdp-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    transition: all var(--sdp-transition);
}

.sdp-step.is-active .sdp-step-num {
    border-color: var(--sdp-primary);
    background: var(--sdp-primary);
    color: #fff;
}

.sdp-step.is-done .sdp-step-num {
    border-color: var(--sdp-success);
    background: var(--sdp-success);
    color: #fff;
}

.sdp-step-divider {
    width: 40px;
    height: 2px;
    background: var(--sdp-border);
    margin: 0 8px;
}

.sdp-step-divider.is-done { background: var(--sdp-success); }

/* Form Body */
.sdp-form-body { padding: 32px; }

.sdp-form-step { display: none; animation: sdpStepIn 0.35s ease; }
.sdp-form-step.is-active { display: block; }

@keyframes sdpStepIn {
    from { opacity: 0; transform: translateX(16px); }
    to { opacity: 1; transform: translateX(0); }
}

.sdp-step-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 6px;
    letter-spacing: -0.01em;
}

.sdp-step-desc {
    color: var(--sdp-subtitle);
    font-size: 14px;
    margin: 0 0 24px;
}

/* Amount Buttons */
.sdp-amount-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}

.sdp-amount-btn {
    padding: 18px 16px;
    border: 2px solid var(--sdp-border);
    border-radius: var(--sdp-radius-sm);
    background: var(--sdp-card);
    cursor: pointer;
    font-family: var(--sdp-font);
    font-size: 18px;
    font-weight: 600;
    color: var(--sdp-text);
    transition: all var(--sdp-transition);
    text-align: center;
}

.sdp-amount-btn:hover {
    border-color: var(--sdp-primary);
    background: var(--sdp-primary-light);
}

.sdp-amount-btn.active {
    border-color: var(--sdp-primary);
    background: var(--sdp-primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    transform: scale(1.02);
}

.sdp-custom-amount-wrap {
    position: relative;
    margin-top: 8px;
}

.sdp-currency-prefix {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 18px;
    font-weight: 600;
    color: var(--sdp-subtitle);
}

.sdp-amount-input {
    width: 100%;
    padding: 16px 16px 16px 36px;
    border: 2px solid var(--sdp-border);
    border-radius: var(--sdp-radius-sm);
    font-family: var(--sdp-font);
    font-size: 18px;
    font-weight: 600;
    box-sizing: border-box;
    transition: border-color var(--sdp-transition), box-shadow var(--sdp-transition);
}

.sdp-amount-input:focus {
    outline: none;
    border-color: var(--sdp-primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

/* Donation Type Toggle */
.sdp-type-toggle {
    display: flex;
    background: var(--sdp-bg);
    border-radius: var(--sdp-radius-sm);
    padding: 4px;
    margin-bottom: 24px;
}

.sdp-type-option {
    flex: 1;
    padding: 10px;
    text-align: center;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    color: var(--sdp-subtitle);
    transition: all var(--sdp-transition);
}

.sdp-type-option input { display: none; }
.sdp-type-option:has(input:checked) {
    background: var(--sdp-card);
    color: var(--sdp-primary);
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

/* Form Fields */
.sdp-field { margin-bottom: 16px; }

.sdp-field label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--sdp-text);
}

.sdp-field input,
.sdp-field textarea,
.sdp-field select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--sdp-border);
    border-radius: var(--sdp-radius-sm);
    font-family: var(--sdp-font);
    font-size: 15px;
    box-sizing: border-box;
    transition: border-color var(--sdp-transition), box-shadow var(--sdp-transition);
    background: var(--sdp-card);
    color: var(--sdp-text);
}

.sdp-field input:focus,
.sdp-field textarea:focus,
.sdp-field select:focus {
    outline: none;
    border-color: var(--sdp-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.sdp-field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.sdp-checkbox-field {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    background: var(--sdp-bg);
    border-radius: var(--sdp-radius-sm);
    cursor: pointer;
    font-size: 14px;
    margin-bottom: 12px;
}

.sdp-checkbox-field input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--sdp-primary);
}

/* Payment Methods */
.sdp-payment-methods {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.sdp-payment-method {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border: 1px solid var(--sdp-border);
    border-radius: var(--sdp-radius-sm);
    font-size: 13px;
    font-weight: 500;
    color: var(--sdp-subtitle);
}

.sdp-payment-summary {
    background: var(--sdp-bg);
    border-radius: var(--sdp-radius-sm);
    padding: 20px;
    margin-bottom: 24px;
}

.sdp-summary-row {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    margin-bottom: 8px;
    color: var(--sdp-subtitle);
}

.sdp-summary-row.total {
    font-size: 18px;
    font-weight: 700;
    color: var(--sdp-text);
    border-top: 1px solid var(--sdp-border);
    padding-top: 12px;
    margin-top: 12px;
    margin-bottom: 0;
}

/* Buttons */
.sdp-form-actions {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.sdp-btn-back {
    padding: 14px 24px;
    border: 1px solid var(--sdp-border);
    border-radius: var(--sdp-radius-sm);
    background: var(--sdp-card);
    font-family: var(--sdp-font);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    color: var(--sdp-subtitle);
    transition: all var(--sdp-transition);
}

.sdp-btn-back:hover { border-color: var(--sdp-text); color: var(--sdp-text); }

.sdp-btn-next,
.sdp-submit-btn,
.sdp-btn {
    flex: 1;
    padding: 14px 24px;
    border: none;
    border-radius: var(--sdp-radius-sm);
    background: var(--sdp-primary);
    color: #fff;
    font-family: var(--sdp-font);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--sdp-transition);
    text-align: center;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.sdp-btn-next:hover,
.sdp-submit-btn:hover,
.sdp-btn:hover {
    background: var(--sdp-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
    color: #fff;
}

.sdp-btn-next:disabled,
.sdp-submit-btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.sdp-form-message {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: var(--sdp-radius-sm);
    font-size: 14px;
    display: none;
}

.sdp-form-message.error { display: block; background: #FEF2F2; color: var(--sdp-danger); }
.sdp-form-message.success { display: block; background: var(--sdp-success-light); color: var(--sdp-success); }

/* Success Animation */
.sdp-success-animation {
    text-align: center;
    padding: 48px 32px;
}

.sdp-success-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--sdp-success-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    animation: sdpPopIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes sdpPopIn {
    0% { transform: scale(0); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.sdp-success-circle svg { color: var(--sdp-success); }

.sdp-checkmark-path {
    stroke-dasharray: 50;
    stroke-dashoffset: 50;
    animation: sdpDrawCheck 0.6s 0.3s ease forwards;
}

@keyframes sdpDrawCheck { to { stroke-dashoffset: 0; } }

/* Campaign Cards (Frontend) */
.sdp-campaigns-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    font-family: var(--sdp-font);
}

.sdp-campaign-card {
    background: var(--sdp-card);
    border-radius: var(--sdp-radius);
    overflow: hidden;
    border: 1px solid var(--sdp-border);
    transition: all var(--sdp-transition);
}

.sdp-campaign-card:hover { box-shadow: var(--sdp-shadow-lg); transform: translateY(-4px); }

.sdp-campaign-banner {
    height: 160px;
    background: linear-gradient(135deg, #2563EB 0%, #7C3AED 100%);
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 20px;
}

.sdp-campaign-banner h3 { color: #fff; margin: 0; font-size: 18px; font-weight: 600; }

.sdp-countdown {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.sdp-countdown-item {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(8px);
    border-radius: 8px;
    padding: 6px 10px;
    text-align: center;
    color: #fff;
}

.sdp-countdown-item strong { display: block; font-size: 16px; }
.sdp-countdown-item span { font-size: 10px; opacity: 0.8; text-transform: uppercase; }

.sdp-campaign-body { padding: 24px; }

.sdp-campaign-tags { display: flex; gap: 6px; margin-bottom: 12px; flex-wrap: wrap; }

.sdp-tag {
    padding: 3px 10px;
    background: var(--sdp-bg);
    border-radius: 20px;
    font-size: 12px;
    color: var(--sdp-subtitle);
    font-weight: 500;
}

.sdp-featured-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(8px);
    color: #fff;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
}

.sdp-progress-track {
    background: var(--sdp-bg);
    border-radius: 100px;
    height: 6px;
    overflow: hidden;
    margin: 12px 0;
}

.sdp-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--sdp-primary), #6366F1);
    border-radius: 100px;
    transition: width 1s ease;
}

/* Donor Wall */
.sdp-donor-wall .sdp-donor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 16px;
    font-family: var(--sdp-font);
}

.sdp-donor-card {
    text-align: center;
    padding: 24px 16px;
    background: var(--sdp-card);
    border-radius: var(--sdp-radius);
    border: 1px solid var(--sdp-border);
    transition: all var(--sdp-transition);
}

.sdp-donor-card:hover { box-shadow: var(--sdp-shadow); transform: translateY(-2px); }

.sdp-donor-avatar {
    width: 52px; height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--sdp-primary), #7C3AED);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; font-weight: 600;
    margin: 0 auto 12px;
}

/* Status Pages */
.sdp-status-page {
    text-align: center;
    max-width: 480px;
    margin: 48px auto;
    padding: 48px 32px;
    background: var(--sdp-card);
    border-radius: var(--sdp-radius);
    box-shadow: var(--sdp-shadow);
    font-family: var(--sdp-font);
}

.sdp-status-page h2 { font-size: 24px; font-weight: 700; margin: 0 0 12px; letter-spacing: -0.02em; }
.sdp-status-page p { color: var(--sdp-subtitle); font-size: 15px; line-height: 1.6; }

/* Donor Dashboard */
.sdp-donor-dashboard {
    max-width: 900px;
    margin: 0 auto;
    font-family: var(--sdp-font);
}

.sdp-dashboard-header { margin-bottom: 32px; }
.sdp-dashboard-header h2 { font-size: 24px; font-weight: 700; margin: 0; }

.sdp-dashboard-tabs {
    display: flex;
    gap: 4px;
    background: var(--sdp-bg);
    padding: 4px;
    border-radius: var(--sdp-radius-sm);
    margin-bottom: 24px;
}

.sdp-dashboard-tabs a {
    flex: 1;
    text-align: center;
    padding: 10px 16px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    color: var(--sdp-subtitle);
    transition: all var(--sdp-transition);
}

.sdp-dashboard-tabs a.active {
    background: var(--sdp-card);
    color: var(--sdp-primary);
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.sdp-dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.sdp-dashboard-stats .sdp-stat {
    background: var(--sdp-card);
    border: 1px solid var(--sdp-border);
    border-radius: var(--sdp-radius-sm);
    padding: 20px;
    text-align: center;
}

.sdp-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.sdp-table th { text-align: left; padding: 12px; color: var(--sdp-subtitle); border-bottom: 1px solid var(--sdp-border); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
.sdp-table td { padding: 14px 12px; border-bottom: 1px solid var(--sdp-border); }

.sdp-donate-button {
    padding: 12px 28px;
    border: none;
    border-radius: var(--sdp-radius-sm);
    background: var(--sdp-primary);
    color: #fff;
    font-family: var(--sdp-font);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--sdp-transition);
}

.sdp-donate-button:hover { background: var(--sdp-primary-hover); transform: translateY(-1px); }

.sdp-error { color: var(--sdp-danger); font-family: var(--sdp-font); }

@media (max-width: 600px) {
    .sdp-form-body { padding: 24px 20px; }
    .sdp-amount-grid { grid-template-columns: 1fr 1fr; }
    .sdp-field-row { grid-template-columns: 1fr; }
    .sdp-payment-methods { grid-template-columns: 1fr; }
    .sdp-steps { padding: 16px; }
    .sdp-step-label { display: none; }
}