/* ============================================
   D3R Login Page - CSS Profesional
   Versión: 1.2.0
   100% Responsivo - NO parece WordPress
   ============================================ */

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

:root {
    --d3r-red: #DC2626;
    --d3r-red-dark: #991B1B;
    --d3r-red-light: #FEE2E2;
    --d3r-dark: #111827;
    --d3r-gray-900: #1F2937;
    --d3r-gray-700: #374151;
    --d3r-gray-500: #6B7280;
    --d3r-gray-300: #D1D5DB;
    --d3r-gray-100: #F3F4F6;
    --d3r-white: #FFFFFF;
    --d3r-green: #059669;
    --d3r-radius: 16px;
    --d3r-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body.d3r-login-page {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--d3r-dark);
    color: var(--d3r-gray-700);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* === BACKGROUND SHAPES === */
.d3r-login-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.d3r-bg-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.08;
}

.d3r-bg-shape-1 {
    width: 600px;
    height: 600px;
    background: var(--d3r-red);
    top: -200px;
    right: -200px;
    animation: d3r-float 20s ease-in-out infinite;
}

.d3r-bg-shape-2 {
    width: 400px;
    height: 400px;
    background: var(--d3r-red);
    bottom: -100px;
    left: -100px;
    animation: d3r-float 15s ease-in-out infinite reverse;
}

.d3r-bg-shape-3 {
    width: 300px;
    height: 300px;
    background: var(--d3r-red-light);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: d3r-float 25s ease-in-out infinite;
}

@keyframes d3r-float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(20px, -30px) scale(1.05); }
    50% { transform: translate(-10px, 20px) scale(0.95); }
    75% { transform: translate(15px, 10px) scale(1.02); }
}

/* === LAYOUT === */
.d3r-login-layout {
    position: relative;
    z-index: 1;
    display: flex;
    min-height: 100vh;
}

/* === HERO PANEL (LEFT) === */
.d3r-login-hero {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 48px;
    position: relative;
    background: linear-gradient(135deg, var(--d3r-dark) 0%, var(--d3r-gray-900) 100%);
}

.d3r-login-hero-content {
    max-width: 480px;
    width: 100%;
}

.d3r-login-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.6);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 40px;
    transition: var(--d3r-transition);
}

.d3r-login-back:hover {
    color: var(--d3r-white);
    transform: translateX(-4px);
}

.d3r-login-mascota {
    margin-bottom: 32px;
    text-align: center;
}

.d3r-login-mascota img {
    max-width: 360px;
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.3);
    transition: var(--d3r-transition);
}

.d3r-login-mascota img:hover {
    transform: scale(1.02);
}

.d3r-login-hero-text {
    margin-bottom: 32px;
}

.d3r-login-hero-text h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--d3r-white);
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.d3r-login-hero-text p {
    font-size: 15px;
    color: rgba(255,255,255,0.6);
    line-height: 1.7;
}

.d3r-login-hero-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.d3r-login-feat {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255,255,255,0.7);
    font-size: 14px;
}

.d3r-login-feat-icon {
    flex-shrink: 0;
    color: #FCA5A5;
}

/* === FORM PANEL (RIGHT) === */
.d3r-login-form-side {
    flex: 0 0 520px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px;
    background: var(--d3r-white);
    position: relative;
}

.d3r-login-form-side::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, var(--d3r-red), var(--d3r-red-dark));
}

.d3r-login-form-wrapper {
    width: 100%;
    max-width: 400px;
}

/* Form Header */
.d3r-login-form-header {
    text-align: center;
    margin-bottom: 32px;
}

.d3r-login-logo {
    width: 72px;
    height: 72px;
    object-fit: contain;
    border-radius: 16px;
    margin-bottom: 20px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.d3r-login-form-header h1 {
    font-size: 28px;
    font-weight: 800;
    color: var(--d3r-dark);
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.d3r-login-form-header p {
    font-size: 14px;
    color: var(--d3r-gray-500);
}

/* Alert */
.d3r-login-alert {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 20px;
    animation: d3r-slideDown 0.3s ease;
}

.d3r-alert-error {
    background: #FEF2F2;
    color: #991B1B;
    border: 1px solid #FECACA;
}

.d3r-alert-success {
    background: #F0FDF4;
    color: #166534;
    border: 1px solid #BBF7D0;
}

@keyframes d3r-slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Form Fields */
.d3r-form { margin-bottom: 24px; }

.d3r-field {
    margin-bottom: 20px;
}

.d3r-field label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--d3r-gray-700);
    margin-bottom: 8px;
}

.d3r-field label svg {
    color: var(--d3r-gray-500);
    transition: var(--d3r-transition);
}

.d3r-field-focused label svg {
    color: var(--d3r-red);
}

.d3r-field input[type="text"],
.d3r-field input[type="password"] {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #E5E7EB;
    border-radius: 12px;
    font-size: 15px;
    font-family: 'Inter', sans-serif;
    color: var(--d3r-dark);
    background: var(--d3r-gray-100);
    outline: none;
    transition: var(--d3r-transition);
}

.d3r-field input:focus {
    border-color: var(--d3r-red);
    background: var(--d3r-white);
    box-shadow: 0 0 0 4px rgba(220,38,38,0.1);
}

.d3r-field input::placeholder {
    color: var(--d3r-gray-300);
}

/* Password field */
.d3r-field-password {
    position: relative;
}

.d3r-field-password input {
    padding-right: 48px;
}

.d3r-eye-btn {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--d3r-gray-500);
    padding: 4px;
    transition: var(--d3r-transition);
}

.d3r-eye-btn:hover {
    color: var(--d3r-red);
}

/* Checkbox & Options */
.d3r-field-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.d3r-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--d3r-gray-500);
    cursor: pointer;
    position: relative;
    padding-left: 28px;
}

.d3r-checkbox input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.d3r-checkmark {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    border: 2px solid var(--d3r-gray-300);
    border-radius: 6px;
    transition: var(--d3r-transition);
}

.d3r-checkbox input:checked ~ .d3r-checkmark {
    background: var(--d3r-red);
    border-color: var(--d3r-red);
}

.d3r-checkbox input:checked ~ .d3r-checkmark::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.d3r-forgot {
    font-size: 13px;
    color: var(--d3r-red);
    font-weight: 500;
    transition: var(--d3r-transition);
}

.d3r-forgot:hover {
    text-decoration: underline;
}

/* Submit Button */
.d3r-submit-btn {
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--d3r-red) 0%, var(--d3r-red-dark) 100%);
    color: var(--d3r-white);
    font-size: 16px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: var(--d3r-transition);
    position: relative;
    overflow: hidden;
}

.d3r-submit-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.1) 100%);
    opacity: 0;
    transition: var(--d3r-transition);
}

.d3r-submit-btn:hover::before {
    opacity: 1;
}

.d3r-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(220,38,38,0.4);
}

.d3r-submit-btn:active {
    transform: translateY(0);
}

.d3r-submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.d3r-submit-label,
.d3r-submit-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.d3r-spin {
    animation: d3r-spin 0.8s linear infinite;
}

@keyframes d3r-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Shake animation for errors */
@keyframes d3r-shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
    20%, 40%, 60%, 80% { transform: translateX(4px); }
}

.d3r-shake { animation: d3r-shake 0.6s ease; }

/* Divider */
.d3r-login-divider {
    text-align: center;
    margin-bottom: 20px;
    position: relative;
}

.d3r-login-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: #E5E7EB;
}

.d3r-login-divider span {
    position: relative;
    background: var(--d3r-white);
    padding: 0 16px;
    font-size: 13px;
    color: var(--d3r-gray-500);
}

/* Help Buttons */
.d3r-login-help {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
}

.d3r-help-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    transition: var(--d3r-transition);
}

.d3r-help-wa {
    background: #ECFDF5;
    color: #059669;
}

.d3r-help-wa:hover {
    background: #D1FAE5;
    transform: translateY(-1px);
}

.d3r-help-email {
    background: var(--d3r-gray-100);
    color: var(--d3r-gray-700);
}

.d3r-help-email:hover {
    background: #E5E7EB;
    transform: translateY(-1px);
}

/* Footer */
.d3r-login-footer {
    text-align: center;
}

.d3r-login-footer p {
    font-size: 12px;
    color: var(--d3r-gray-500);
    margin: 4px 0;
}

.d3r-powered a {
    color: var(--d3r-gray-500);
    font-weight: 500;
}

.d3r-powered a:hover {
    color: var(--d3r-red);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .d3r-login-form-side { flex: 0 0 460px; }
    .d3r-login-hero { padding: 48px 32px; }
}

@media (max-width: 900px) {
    .d3r-login-layout {
        flex-direction: column;
    }

    .d3r-login-hero {
        padding: 48px 24px;
        min-height: auto;
    }

    .d3r-login-hero-content {
        max-width: 100%;
        text-align: center;
    }

    .d3r-login-back {
        justify-content: center;
        margin-bottom: 24px;
    }

    .d3r-login-mascota img {
        max-width: 280px;
        margin: 0 auto;
    }

    .d3r-login-hero-text {
        margin-bottom: 24px;
    }

    .d3r-login-hero-text h2 {
        font-size: 24px;
    }

    .d3r-login-hero-features {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 8px;
        text-align: left;
    }

    .d3r-login-form-side {
        flex: none;
        padding: 40px 24px;
    }

    .d3r-login-form-side::before {
        display: none;
    }

    .d3r-login-form-wrapper {
        max-width: 420px;
        margin: 0 auto;
    }
}

@media (max-width: 640px) {
    .d3r-login-hero {
        padding: 32px 16px;
    }

    .d3r-login-mascota img {
        max-width: 220px;
    }

    .d3r-login-hero-features {
        grid-template-columns: 1fr;
    }

    .d3r-login-form-side {
        padding: 32px 16px;
    }

    .d3r-login-help {
        flex-direction: column;
    }

    .d3r-field-row {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
}

@media (max-width: 380px) {
    .d3r-login-form-header h1 {
        font-size: 24px;
    }

    .d3r-login-mascota img {
        max-width: 180px;
    }
}