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

html {
    background: linear-gradient(135deg, #2193b0 0%, #6dd5ed 100%);
    min-height: 100vh;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #2193b0 0%, #6dd5ed 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: max(env(safe-area-inset-top), 20px) max(env(safe-area-inset-right), 20px) max(env(safe-area-inset-bottom), 20px) max(env(safe-area-inset-left), 20px);
}

.container {
    background: whitesmoke;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    max-width: 400px;
    width: 100%;
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.header {
    background: whitesmoke;
    padding: 20px 20px;
    text-align: center;
    color: #333;
}

.header h1 {
    margin-top: 30px;
    font-size: 30px;
    margin-bottom: 10px;
}

.header p {
    opacity: 0.9;
    font-size: 14px;
}

.form-container {
    margin-top: -10px;
    padding: 40px 30px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
    font-size: 14px;
}

.input-wrapper {
    position: relative;
}

.input-wrapper input {
    width: 100%;
    padding: 12px 15px 12px 45px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 15px;
    transition: all 0.3s ease;
    background: #f8f9fa;
}

.input-wrapper input:focus {
    outline: none;
    border-color: #667eea;
    background: white;
}

.input-wrapper input.error {
    border-color: #c33;
}

.input-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #999;
    font-size: 18px;
}

.btn {
    width: 100%;
    padding: 14px;
    background: #1e1e1e;
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.btn:hover:not(:disabled) {
    transform: translateY(-2px);
}

.btn:active:not(:disabled) {
    transform: translateY(0);
}

.btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
}

.btn .spinner {
    display: none;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto;
}

.btn.loading .spinner {
    display: block;
}

.btn.loading .btn-text {
    display: none;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.alert {
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    display: none;
    animation: shake 0.4s ease;
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-10px);
    }

    75% {
        transform: translateX(10px);
    }
}

.alert.show {
    display: block;
}

.alert-error {
    background: #fee;
    color: #c33;
    border-left: 4px solid #c33;
}

.alert-warning {
    background: #fff3cd;
    color: #856404;
    border-left: 4px solid #ffc107;
}

.footer {
    text-align: center;
    padding: 20px;
    color: #666;
    font-size: 14px;
}

.footer a {
    color: #1e1e1e;
    text-decoration: none;
    font-weight: 600;
}

.footer a:hover {
    text-decoration: underline;
}

.rate-limit-info {
    background: whitesmoke;
    padding: 15px;
    border-radius: 8px;
    margin-top: 20px;
    font-size: 13px;
    color: #666;
}

.rate-limit-info strong {
    color: #333;
    display: block;
    margin-bottom: 5px;
}

@media (max-width: 450px) {
    .container {
        border-radius: 16px;
    }

    .header {
        padding: 20px 10px;
    }

    .form-container {
        padding: 20px 10px;
    }
}


@media (max-width: 430px) {
    .container {
        border-radius: 16px;
    }

    .header {
        padding: 20px 10px;
    }

    .form-container {
        padding: 20px 10px;
    }
}

@media (max-width: 440px) {
    .container {
        border-radius: 16px;
        margin: 0 8px;
    }

    .header {
        padding: 20px 10px;
    }

    .form-container {
        padding: 20px 10px;
    }
}

@media (min-width: 393px) and (max-width: 414px) {
    .container {
        border-radius: 18px;
    }

    .header {
        padding: 22px 12px;
    }

    .form-container {
        padding: 22px 12px;
    }
}

@media (min-width: 415px) and (max-width: 440px) {
    .container {
        border-radius: 20px;
        margin: 0 10px;
    }

    .header {
        padding: 24px 14px;
    }

    .form-container {
        padding: 24px 14px;
    }
}

@media (max-width: 932px) and (orientation: landscape) {
    body {
        /* El padding lateral va en body, no en elementos individuales */
        padding-left: max(env(safe-area-inset-left), 20px);
        padding-right: max(env(safe-area-inset-right), 20px);
    }

    .container {
        margin-left: 8px;
        margin-right: 8px;
    }

    .header,
    .form-container {
        /* Padding normal, body ya maneja los insets */
        padding-left: 10px;
        padding-right: 10px;
    }
}